pcs-9830b x instruction manual en domestic general x r1.05
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PCS-9830B
Switching ControllerInstruction Manual
NR Electric Co., Ltd.
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Preface
PCS-9830B Switching Control l er I
Date: 2015-02-15
Preface
Introduction
This guide and the relevant operating or service manual documentation for the equipment provide
full information on safe handling, commissioning and testing of this equipment.
Documentation for equipment ordered from NR Electric Co., Ltd. is dispatched separately from
manufactured goods and may not be received at the same time. Therefore this guide is provided
to ensure that printed information normally present on equipment is fully understood by the
recipient.
Before carrying out any work on the equipment, the user should be familiar with the contents of
this manual and read relevant chapters carefully.
This chapter describes the safety precautions recommended when using the equipment. Before
installing and using the equipment, this chapter must be thoroughly read and understood.
Health and Safety
The information in this chapter of the equipment documentation is intended to ensure that
equipment is properly installed and handled in order to maintain it in a safe condition.
When electrical equipment is in operation, dangerous voltages will be present in certain parts of
the equipment. Failure to observe warning notices, incorrect use, or improper use may endanger
personnel and equipment and cause personal injury or physical damage.
Before working in the terminal strip area, the equipment must be isolated.
Proper and safe operation of the equipment depends on appropriate shipping and handling,
proper storage, installation and commissioning, and on careful operation, maintenance and
servicing. For this reason only qualified personnel may work on or operate the equipment.
Qualified personnel are individuals who:
Are familiar with the installation, commissioning, and operation of the equipment and of the
system to which it is being connected;
Are able to safely perform switching operations in accordance with accepted safety
engineering practices and are authorized to energize and de-energize equipment and to
isolate, ground, and label it;
Are trained in the care and use of safety apparatus in accordance with safety engineering
practices;
Are trained in emergency procedures (first aid).
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Preface
PCS-9830B Sw itching Control lerII
Date: 2015-02-15
Instructions and Warnings
The following indicators and standard definitions are used:
DANGER means that death, severe personal injury, or considerable equipment damage willoccur if safety precautions are disregarded.
WARNING means that death, severe personal injury, or considerable equipment damage could
occur if safety precautions are disregarded.
CAUTION means that light personal injury or equipment damage may occur if safety
precautions are disregarded. This particularly applies to damage to the device and to
resulting damage of the protected equipment.
WARNING!
The firmware may be upgraded to add new features or enhance/modify existing features, please
make sure that the version of this manual is compatible with the product in your hand.
WARNING!
During operation of electrical equipment, certain parts of these devices are under high voltage.
Severe personal injury or significant equipment damage could result from improper behavior.
Only qualified personnel should work on this equipment or in the vicinity of this equipment. These
personnel must be familiar with all warnings and service procedures described in this manual, as
well as safety regulations.
In particular, the general facility and safety regulations for work with high -voltage equipment must
be observed. Noncompliance may result in death, injury, or significant equipment damage.
DANGER!
Never allow the current transformer (CT) secondary circuit connected to this equipment to be
opened while the primary system is live. Opening the CT circuit will produce a dangerously high
voltage.
WARNING!
Exposed terminals
Do not touch the exposed terminals of this equipment while the power is on, as the high
voltage generated is dangerous.
Residual voltage
Hazardous voltage can be present in the DC circuit just after switching off the power supply. It
takes a few seconds for the voltage to discharge.
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Preface
PCS-9830B Switching Control l er III
Date: 2015-02-15
CAUTION!
Earthing
The earthing terminal of the equipment must be securely earthed.
Operating environment
The equipment must only be used within the range of ambient environment detailed in the
specification and in an environment free of abnormal vibration.
Ratings
Before applying AC voltage and current or the power supply to the equipment, check that they
conform to the equipment ratings.
Printed circuit board
Do not attach and remove printed circuit boards when the power supply to the equipment is
on, as this may cause the equipment to malfunction.
External circuit
When connecting the output contacts of the equipment to an external circuit, carefully check
the supply voltage used in order to prevent the connected circuit from overheating.
Connection cable
Carefully handle the connection cable without applying excessive force.
Typographic and Graphical Conventions
The following symbols are used in drawings:
Input signal of a function block, such as a logic setting, a blocking
signal or a analog comparator signal etc.
Input inversion signal of a function block, such as a logic setting,
a blocking signal or a analog comparator signal etc.
&
AND gate: all the input signals are 1, then the output is 1
OR gate: anyone the input signals is 1, then the output is 1
S Q
R Q
RS flipflop (static memory): setting input (S), resetting input (R),
output (Q) and inverted output (Q)
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Preface
PCS-9830B Sw itching Control lerIV
Date: 2015-02-15
t 0
Timer: pickup with delay t, dropout without delay
0 t
Timer: pickup without delay, dropout with delay t
t1 t2
Timer: pickup with delay t1, dropout with delay t2
Junction (connection point)
Copyright 2015 NR. All rights reserved.
We reserve all rights to this document and to the information contained herein. Improper use in particular reproduction and di ssemina tion
to third parties is strictl y fo rbidden except where expressly authorized.
The info rmation in this manual is carefully checked periodically, and necessary corrections will be included in future editions. If
nevertheless any errors are detected, suggestions for correction or improvement are greatly appreciated.
We reserve the rights to make technical improvements without notice.
NR ELECTRIC CO., LTD.
Headquarters: 69, Suyuan Avenue, Jiangning, Nanjing 211102, China
Manufactory: 18, Xinfeng Road, Jiangning, Nanjing 211111, China
Tel: +86-25-87178888
Fax: +86-25-87178999
Website: www.nrelect.com, www.nrec.com
P/N: ZL_PCS-9830B_X_Instruction Manual_EN_Domestic General_X Version: R1.05
http://www.nrelect.com/http://www.nrelect.com/http://www.nrec.com/http://www.nrec.com/http://www.nrec.com/http://www.nrec.com/http://www.nrelect.com/ -
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Preface
PCS-9830B Switching Control l er V
Date: 2015-02-15
Documentation Structure
The manual provides a functional and technical description of this device and a comprehensive
set of instructions for the devices use and application.
The chapter contents are summarized as below:
1 Introduction
Briefly introduce the application, functions and features about this device.
2 Technical Data
Introduce the technical data about this device, such as electrical specifications, mechanical
specifications, ambient temperature and humidity range, communication port parameters, type
tests, setting ranges and accuracy limits and the certifications that our products have passed.
3 Operation Theory
Introduce a comprehensive and detailed functional description of this device.
4 Supervision
Introduce the automatic self-supervision function of this device.
5 Hardware
Introduce the main function carried out by each module of this device and providing the definition
of pins of each module.
6 Settings
List of all the settings and their ranges and step sizes, together with a brief explanation of each
setting and some notes about the setting application.
7 Human Machine Interface
Introduce the hardware of the human machine interface (HMI) module and a detailed guide for the
user how to use this device through the HMI. It also lists all the information which can be view
through the HMI, such as settings, all kinds of reports etc.
8 Installation
Introduce the recommendations on unpacking, handling, inspection and storage of this device. A
guide to the mechanical and electrical installation of this device is also provided, incorporating
earthing recommendations.
9 Commissioning
Introduce how to commission this device, comprising checks on the calibration and functionality of
this device.
10 Maintenance
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1 Introduct ion
PCS-9830B Switching Control ler 1-aDate: 2015-02-15
1 Introduction
Table of Contents
1.1 Application.....................................................................................................................1-1
1.2 Functions .......................................................................................................................1-2
1.2.1 Controlled Switching Function .......................................................................................... 1-2
1.2.2 Auxiliary and Management Functions............................................................................... 1-2
1.3 Features..........................................................................................................................1-2
List of Figures
Figure 1.1-1 Typical application of PCS-9830B ..................................................................... 1-1
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1 Introduct i on
PCS-969830B Swi tchin g Control l er1-bDate: 2015-02-15
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1 Introduct ion
PCS-9830B Switching Control ler 1-1Date: 2015-02-15
1.1 Application
In power system, the traditional random switching mode of circuit breakers will generate inevitably
over-voltage, inrush current, electromagnetic transient effect and so on, affect insulation and life of
equipment, and even induce protection malfunction. The CS (Controlled Switching, abbreviated
CS), as the ideal solution to solve the above problems, is a method of making circuit breaker close
or open at the optimum time instant. When switching no-load line, no-load transformers,
capacitors, reactors and other equipments, the CS can greatly reduce overvoltage as well as
inrush current during energizing and de-energizing operations, thus eliminating harmful electrical
transients to the electrical equipment and the power system, extending the life of electrical
equipment and improving the stability of the power system.
The typical application of this device is show in following figures.
Controlled close
Open command
Analog quantity detection
(current or voltage)
Sensor signalControl system
Close command
The reference voltage
Controlled open
The
controlled
device
Busbar at
source side
PCS-9830
VT
VT
CT
CT
CT
A B C
Figure 1.1-1 Typical application of PCS-9830B
The PCS-9830B switching controller needs the input of the reference voltage used to determine
the controlled phase, and it usually selects the VT of circuit breaker busbar at source side as the
reference voltage. The input analog quantity detection of the controlled side is used as the criteria
whether the switching is finished. The binary inputs that the device needs are mainly close
commands and open commands of control system. The output contacts of controlled close and
controlled open are connected to the closing and opening circuits of breaker respectively, and it
can configure two sets of output module when matching circuit breaker with double jump rings.
Moreover, the device supports the sensor signal inputs, which are used to achieve real-time
monitoring of ambient temperature, control voltage, phase oil pressure, phase SF6gas pressure
and other external parameters, compensating for the influence of the parameters on the circuit
breaker operating time.
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1 Introduct i on
PCS-969830B Swi tchin g Control l er1-2Date: 2015-02-15
1.2 Functions
1.2.1 Controlled Switching Function
Controlled closing function
Controlled opening function
Compensation based on system frequency
Real-time compensation based on ambient temperature
Real-time compensation based on control voltage
Real-time compensation based on oil pressure of each phase hydraulic mechanism of circuit
breaker
Real-time compensation based on gas pressure of each phase SF6circuit breaker
Real-time compensation based on circuit breaker idle time
Real-time compensation based on cumulative operation number of circuit breaker
Self-adaptive function based on analog quantity detection
One set of device is able to realize controlled switching of circuit breaker of loads with
different characteristics and realize two sets of target phase angle control functions in one unit
Automatically determine the reference side, controlled side and the current target phase
1.2.2 Auxiliary and Management Functions
Reference voltage abnormality monitoring
Sensors abnormality monitoring
Operating characteristics monitor of circuit breaker
Hardware failure alarm
Event SOE records, etc.
PC debugging and disturbance recording
1.3 Features
Real-time compensation and self-adaptive function
This device is equipped with complete real-time compensation function, such as ambient
temperature, control voltage, each phase oil pressure, each phase SF 6 gas pressure and
other external parameters, and in the self-adaptive mode the compensation function also can
be put into. In addition, the device can automatically record the parameter values of the latest
operation and compare it with the real-time values of the current operation, so gets the
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1 Introduct ion
PCS-9830B Switching Control ler 1-3Date: 2015-02-15
compensation values of this time and compensates it. Moreover, the device has the
compensation based on circuit breaker idle time and cumulative operation number of circuit
breaker, reducing the affect of the above factors on the mechanical properties of the circuit
breaker.
Automatically select the reference voltage and the charge direction
In double-busbar connection, it can automatically select the reference voltage according to
the auxiliary binary inputs, and in 3/2 busbar connection, it can automatically select the
reference voltage and the charge direction according to the auxiliary bina ry inputs and voltage
criteria to make it more intelligent.
Controlled switching of circuit breaker of loads with different characteristics using a single
device
The device is equipped two sets of setting for different closing and opening targets and the
settings can be set independently. As an example, for the two-direction control of the middle
circuit breaker in the 3/2 busbar connection, one PCS-9830B can finish the two-direction
control of controlled closing and controlled opening, more flexibly and adaptively.
Cooperates with synchronism closing operation
If the control system sends a synchronism closing command, this device can automatically
detect whether the VT voltage of the controlled side is alive; if any phase voltage of the
controlled side is alive, this device will output closing pulse after it receives closing command.
Supports control circuit breaker with phase-segregated mechanism or three-phase
combination mechanism
This device can support different types of circuit breaker mechanism through a relevant
setting. To the circuit breaker with phase-segregated mechanism, the control logic for each
phase is independent; and to the circuit breaker with three-phase combination mechanism,
the control logic for phase A is used to control the circuit breaker, and the relevant settings
about phase B and phase C will be inactive and hidden.
Output circuit design of combination of IGBT and relay
IGBT can achieve rapid control and discreteness of operation time is almost negligible.
High-performance general-purpose hardware and real-time calculations
Hardware structure of 32-bit DSP+ARM microprocessors is adopted. DSP is responsible of
logic calculation and logic output, and ARM is in charge of event and disturbance recording,
HMI, communication, and printing etc. High performance hardware ensures real-time
calculation for all functions in each sampling interval of this device. This device adopts 32-bit
high performance CPUs and DSPs, internal high-speed bus, and intelligent I/O. Both
hardware and software adopt modular design, which can be flexibly configured. Features
include versatility, easy expansion, and easy maintenance.
Modular programs
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1 Introduct i on
PCS-969830B Swi tchin g Control l er1-4Date: 2015-02-15
Modular programs allow flexible protection configuration and easy functional adjustment.
Strong EM compatibility
Integral panel and fully enclosed chassis are adopted. Strong electricity and weak electricity
are strictly separated. Traditional rear board wiring mode is not used. At the same time,
measures against interference are taken in software design, greatly improving the immunity to
disturbances. Outwards EM radiation satisfies relevant standards.
Easy commissioning and maintenance
Friendly HMI and convenience testing capabilities is provided.
Powerful communication function
Flexible communication mode is provided. Up to 4 independent Ethernet interfaces, up to 2
independent RS-485 communication interfaces and 1 RS-232 print interface are provided.
Multiple time synchronization methods are optional
Complete event recording function
At least 128 faults and operation sequence, 128 fault waveforms, results of 1024
self-supervision reports, and 1024 binary signal change reports can be recorded.
Auxiliary PC software
PC auxiliary software is supported in Windows 9X/Me/2000/NT/XP, Vista, and Win7 operating
system, being user-friendly and easy to device setup and commissioning on site. Waveform
analysis software can provide detailed analog quantity and binary signal change information
during controlled switching, facilitating the analysis of the controlled opening and closing
process.
Support both AC and DC power supply
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2 Technical Data
PCS-9830B Switching Control ler 2-aDate: 2015-02-15
2 Technical Data
Table of Contents
2.1 General Specification .................................................................................................2-1
2.1.1 Electrical Specifications ................................................................................................... 2-1
2.1.2 Mechanical Specifications ................................................................................................ 2-2
2.1.3 Ambient Temperature and Humidity ................................................................................. 2-3
2.1.4 Communication Interfaces ............................................................................................... 2-3
2.1.5 Type Test ......................................................................................................................... 2-4
2.2 Management Functions..............................................................................................2-6
2.2.1 Clock Performance .......................................................................................................... 2-6
2.2.2 Wave Recording .............................................................................................................. 2-6
2.2.3 Binary Input Signal........................................................................................................... 2-6
2.3 Certification ...................................................................................................................2-6
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2 Technical Data
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PCS-9830B Switching Control ler 2-1Date: 2015-02-15
2.1 General Specification
2.1.1 Electrical Specifications
2.1.1.1 Power Supply
Standard IEC60255-11: 2008
Rated voltage 24Vdc, 48Vdc, 110Vdc, 220Vdc, 24Vac, 48Vac, 110Vac, 220Vac
Variation 80% ~ 120%
Permissible ripple voltage Max 15% of the rated voltage (DC power supply)
Burden< 15W @ Quiescent condition
< 20W @ Operating condition
2.1.1.2 Analog Current Input Ratings
Phase rotation ABC
Rated frequency (fn) 50Hz
Rated current (In) 1A 5A
Linear to 30In 30In
Thermal
withstand
capability
continuously 3In 3In
for 10s 30In 30In
for 1s 100In 100In
for half a cycle 250In 250In
Burden (@ In) < 0.15VA/phase < 0.25VA/phase
2.1.1.3 Analog Voltage Input Ratings
Phase rotation ABC
Rated frequency (fn) 50Hz
Rated voltage (Un) 100V ~ 130V (phas e-to-phase voltage)
Linear to 130V
Thermal
withstand
capability
continuously 130V
10s 200V
1s 250V
Burden < 0.10VA / phase
2.1.1.4 Binary Input
Rated voltage 24V 48V 110V 220V
Rated current 1.20mA 2.40mA 1.10mA 2.20mA
Pickup voltage 55% ~ 70% rated voltage
ONvalue voltage 70% ~ 120% rated voltage
OFFvalue voltage < 50% rated voltage
Maximum permitted voltage 120% rated voltage
High voltage withstand 2000Vac, 2800VdcResolving time for logic input < 1ms
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2 Technical Data
PCS-9830B Switching Control ler2-2Date: 2015-02-15
2.1.1.5 Binary Output
Relay contact output
Output model Potential-free contact
Max system voltage 380Vac, 250Vdc
Voltage across open contact 1000V RMS for 1min
Continuous carry 5.0A @ 380Vac, 5.0A @ 250Vdc
Short duration current 6A for 3000ms, 15A for 500ms , 30A for 200ms
Breaking capacity
0.65A @ 48Vdc, L/R=40ms
0.30A @ 110Vdc, L/R=40ms
0.15A @ 220Vdc, L/R=40ms
Pickup time < 8ms
Dropout time < 5ms
Bounce time 1ms
Durability loaded contact 10,000 operations minimum
unloaded contact 20,000 operations minimum
IGBT output
Output purpose For tripping or closing
Output model Potential-free contact
Max system voltage 600Vdc
Continuous carry 10A
The reverse polarity of the IGBT is not permitted.
2.1.1.6 Transducer Input
Standard IEC 60255-1:2009
Input range 4~20mA 0~5V
Input resistance 235 4.4k
Accuracy class 0.5 class 0.5
2.1.2 Mechanical Specifications
Enclosure dimensions See Figure 8.6-1
Trepanning dimensions See Figure 8.6-1, M6 screw
Mounting way Flush mounted
Weight per device Approx. 9.0kg (fully equipped)
Local control panel Small control module: a 240128-dot LCD, a 9-key keypad and 20 LEDs
Display language Optional: Chinese, English
Housing material Aluminum
Housing color Silver grey
Location of terminals Rear panel of the device
Protection class IEC60225-1: 2009
Front side: IP40
Rear side, connection terminals: IP30
Other Sides: IP50
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2 Technical Data
PCS-9830B Switching Control ler 2-3Date: 2015-02-15
2.1.3 Ambient Temperature and Humidity
Standard IEC60225-1: 2009
Operating temperature range -40C ~ +70C (for the LCD -20C ~ +70C)
Transport and storage temperature range -40C ~ +70C
Permissible humidity 5% ~ 95%, condensation not permissible
Altitude < 3000m
2.1.4 Communication Interfaces
2.1.4.1 Ethernet Port for RTU/SCADA
Medium Parameters
Ethernet
Electrical
Port number 2 or 4
Connector type RJ-45
Transmission rate 100Mbits/s
Transmission standard 100Base-TX
Transmission distance < 100m
Protocol IEC60870-5-103:1997 or IEC61850
Safety level Isolation to ELV level
Optical
Port number 0 or 2
Optical fiber and connector Glass fiber, Multi-mode, ST
Transmission rate 100Mbits/s
Transmission standard 100Base-FX
Wave length 1300nm
Transmission distance < 2000m
Minim um transmission power -20dBm
Reception sensitivity -30dBm
Protocol IEC60870-5-103:1997 or IEC61850
2.1.4.2 Serial Port for RTU/SCADA
Medium Parameters
RS-485 (EIA)
Port number 0 or 2
Baud rate 4800 ~ 115200bps
Transmission distance < 1000m @ 4800bps
Maximal capacity 32
Protocol IEC60870-5-103:1997
Safety level Isolation to ELV level
2.1.4.3 Serial Port for Printer
Medium Parameters
RS-232 (EIA)
Port number 1
Baud rate 4800 ~ 115200bps
Printer type EPSON
LQ-300K
Safety level Isolation to ELV level
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2.1.4.4 Serial Port for Time Synchronization
Medium Parameters
RS-485 (EIA)
Port number 1
Transmission distance < 500m
Maximal capacity 32
Timing standard PPS, IRIG-B
Safety level Isolation to ELV level
2.1.4.5 Ethernet Port for Debugging
Medium Parameters
Electrical Ethernet
(in front panel)
Port number 1
Connector type RJ-45
Transmission rate 100Mbits/s
Transmission standard 100Base-TX
Transmission distance < 100m
Safety level Isolation to ELV level
2.1.5 Type Test
2.1.5.1 Environmental Tests
Dry cold test IEC60068-2-1: 2007, 16h at -25C
Dry heat test IEC60068-2-2: 2007, 16h at +55C
Damp heat test IEC60068-2-78: 2001, 10 days, 93%RH, +55C
Cyclic temperature with
humidity test
IEC60068-2-30: 2005, six (12+12hours) cycles , 95%RH,
low temperature +25C, high temperature +55C
2.1.5.2 Electrical Tests
Dielectric test IEC60255-27: 2005, test voltage: 2kV, 50Hz, 1min
Impulse voltage testIEC60255-5: 2000, test voltage: 5kV, unipolar impulses, waveform 1.2/50s,
source energy 0.5J
Overvoltage category IEC60255-5: 2000, Class III
Insulation measurement IEC60255-5: 2000, insulation resistance >100M@ 500Vdc
Pollution degree IEC60225-1: 2009, Class II
2.1.5.3 Electromagnetic Compatibility
1MHz burst disturbance tests
- Common mode
- Differential mode
IEC60255-22-1: 2007, Class III
2.5kV
1.0kV
Electrostatic discharge tests
- For contact discharge
- For air discharge
IEC60255-22-2: 2008, Class IV
8.0kV
15.0kV
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Radio frequency interference tests
- Frequency sweep
- Radiated amplitude-modulated
- Spot frequency
- Radiated amplitude-modulated
- Radiated pulse-modulated
IEC60255-22-3: 2007, Class III
10V/m(RMS), f=801000MHz
10Vm(RMS), f=80/160/450/900MHz
10Vm(RMS), f=900MHz
Fast transient disturbance tests
- Power supply, I/O & Earth terminals
- Communication terminals
IEC60255-22-4: 2008, Class IV
4kV, 2.5kHz, 5/50ns
2kV, 5.0kHz, 5/50ns
Surge immunity tests
- Power supply, AC inputs, I/O terminals
IEC60255-22-5: 2008, Class IV
1.2/50us,
4kV, line-to-ground
2kV, line-to-line
Conducted RF electromagnetic disturbance
- Power supply, AC, I/O, Comm. terminals
IEC60255-22-6: 2001, Class III
10V(RMS), 150kHz~80MHz
Power frequency field immunity IEC60255-22-7: 2003, Class A
10s
300V, line-to-ground
150V, line-to-l ine
Conducted emission limits IEC60255-25: 2000, Class A
Radiated emission limits IEC60255-25: 2000, Class A
Auxiliary power supply performance
- Voltage dips
- Voltage short interruptions
IEC60255-11: 2008
Up to 200ms for dips to 40% of rated voltage
without reset30ms for interruption without rebooting
Power frequency magnetic field immunity IEC61000-4-8: 2001, Class V
100A/m for 1min
1000A/m for 3s
Pulse magnetic field immunity IEC61000-4-9: 2001, Class V
6.4/16us, 1000A/m for 3s
Damped oscillatory magnetic field immunity IEC61000-4-10: 2001, Class V
100kHz & 1MHz100A/m
Ring wave immunity
- Power supply, I/O terminals
IEC61000-4-12: 2006, Class III
1MHz
2kV, line-to-ground
1kV, line-to-line
2.1.5.4 Mechanical Tests
Vibration test IEC60255-21-1:1988, Class I
Shock test IEC60255-21-2:1988, Class I
Bump test IEC60255-21-2:1988, Class I
Seismic test IEC60255-21-3:1988, Class I
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2.2 Management Functions
2.2.1 Clock Performance
Real time clock accuracy 3s/day
Accuracy of GPS synchronization 1ms
External time synchronization IRIG-B (200-98), PPS, SNTP protocol
2.2.2 Wave Recording
Maximum duration 15 cycles , cover all the operation process
Recording position 1 cycles before pickup of trigger element
2.2.3 Binary Input Signal
Resolution of binary input signal 1ms
Binary input mode Potential-free contact
Resolution of SOE 2ms
2.3 Certification
ISO9001: 2008
ISO14001: 2004
OHSAS18001: 2007
ISO10012: 2003
CMMI L5
EMC: 2004/108/EC, EN50263: 1999
Products safety(PS): 2006/95/EC, EN61010-1: 2001
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3 Operat ion Theory
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3 Operation Theory
Table of Contents
3.1 Overview ........................................................................................................................3-1
3.2 Controlled Switching Control Strategy ..................................................................3-1
3.3 Controlled Switching Control Theory ....................................................................3-2
3.3.1 Controlled Closing Process .............................................................................................. 3-2
3.3.2 Controlled Opening Process ............................................................................................ 3-3
3.4 Reference Voltage Selection Logic .........................................................................3-4
3.4.1 Logic for Single-busbar Mode .......................................................................................... 3-4
3.4.2 Logic for Double-busbar Mode ......................................................................................... 3-4
3.4.3 Logic for 3/2 Circuit Breaker Mode ................................................................................... 3-5
3.4.4 Logic for Quadrilateral Wiring Mode ................................................................................. 3-6
3.4.5 Logic for Line with Shunt Reactor Wiring Mode ................................................................ 3-7
3.5 Controlled Switching Function ................................................................................3-8
3.5.1 Real-time Compensation Function ................................................................................... 3-9
3.5.2 Self-adaptive Compensation Function.............................................................................. 3-9
3.6 Auxiliary Functions .................................................................................................. 3-10
3.6.1 Frequency Compensation Function................................................................................ 3-10
3.6.2 Circuit Breaker Mechanical Characteristic Supervision................................................... 3-10
3.7 Measurement Functions ..........................................................................................3-11
List of Figures
Figure 3.2-1 Example of closing a grounded star wiring capacitor ..................................... 3-2
Figure 3.3-1 Controlled closing process ............................................................................... 3-2
Figure 3.3-2 Controlled opening process.............................................................................. 3-3
Figure 3.4-1 Single-busbar mode........................................................................................... 3-4
Figure 3.4-2 Double-busbar mode ......................................................................................... 3-5
Figure 3.4-3 3/2 circuit breaker wiring mode......................................................................... 3-6
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Figure 3.4-4 Quadrilateral wiring mode ................................................................................. 3-7
Figure 3.4-5 Line with shunt reactor wiring mode ................................................................ 3-8
Figure 3.5-1 Deviation correction self-adaptive control ..................................................... 3-10
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3.1 Overview
The PCS-9830B controls the circuit breaker close or open at the optimum time instant related to
the phase angle via time controlled switching operations, at the same time considering pre -strike
and arcing characteristics during the closing and opening operation as well as the influence of
external operating conditions. Taking the measurements, it can greatly reduce transient
overvoltage and overcurrent during energizing and de-energizing operations, thus extending the
life of electr ical equipment and improving the stability of the entire power system.
The PCS-9830B provides controlled closing/opening function, real-time compensation and
self-adaptive function etc.
3.2 Controlled Switching Control Strategy
The reasons why the inductive load and capacitive load generate overvoltage or inrush current
are different, which cause the closing or opening phase position of the circuit breaker are different.
So it is necessary to adopt different control strategies for different types of loads.
The closing or opening phase position of the circuit breaker also has relationship with the
grounded mode of the controlled target object.
The following table shows the ideal phase angle. Theoretically, if the system phase sequence is
three-phase positive sequence (A, B, C or B, C, A or C, A, B), the control effect is equivalent. The
phase angle ofUA
is taken as reference value.
Controlled
equipment
Grounded
mode
Control
type
Phase
A B C
Transformer
GroundedClose 90 180 180
Open 90 30 150
UngroundedClose 90 0 0
Open 90 180 180
Reactor
GroundedClose 90 30 150
Open 90 30 150
Ungrounded Close 90 0 0
Open 90 180 180
Capacitor
(Transmission line)
GroundedClose 0 120 60
Open 90 30 150
UngroundedClose 180 90 90
Open 90 180 180
OthersClose User defined User defined User defined
Open User defined User defined User defined
In practical application, the closing angle or opening angle can be selected from 0~359
independently.
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Takes closing a grounded star wiring (Y) capacitor as an example, the UAis reference value, so
the settings of the closing angles of the three phases are set as following figure.
UA zero-cross point
UA
0
T1 UCUB
36060 120
System voltage
UB closing phase angle: 120
UC closing phase angle: 60UA closing phase angle: 0
Figure 3.2-1 Example of closing a grounded star wiring capacitor
3.3 Controlled Switching Control Theory
3.3.1 Controlled Closing Process
It is assumed that the closing phase angle of the controlled target is 0, and the closing control
process is shown in following figure.
Opened Closing
Closed
tReference
voltage
TclswaitTclslag
Tcls
NT+Tclstarg
Target closing point
T0 T1 T2
T3 T4
Tpre
Contact
touching
moment
Closing
command
Output closing
command
Voltage
zero-cross
Sample analog values of controlled side
Contact
state
Closing
command Pre-breakdown time
Figure 3.3-1 Controlled closing process
Where:
Tclswait= N T + Tclstarg- Tcls- Tclslag+ Tpre
N is an integer;
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Tclswait is the waiting time of the controlled closing operation which considers the
pre-breakdown time;
T is the period time of the reference voltage;
Tclstarg
is the time which is calculated from the target closing phase angle;
Tclsis the inherent closing time of the circuit breaker;
Tclslagis the lag time of the closing circuit;
Tpreis the pre-breakdown time.
3.3.2 Controlled Opening Process
It is assumed that the opening phase angle of the controlled target is 90, and the opening control
process is shown in following figure.
Closed
t
Topnwait
Topnlag
Topn
T0 T1 T2
T3 T4
Tarcing
NT+Topntarg
Reference
voltage
Sample analog values of controlled side
Closing
command
Output opening
command
Contact
separating
moment
Arc
extinction
moment
Target opening point
Arcing
Opening
Opened
Contact
state
Opening
command
Figure 3.3-2 Controlled opening process
Where:
Topnwait= N T + Topntarg- Topn- Topnlag+ Tarcing
N is an integer;
Topnwaitis the waiting time of the controlled closing operation which considers the arcing time;
T is the period time of the reference voltage;
Topntargis the time which is calculated from the target opening phase angle;
Topnis the inherent opening time of the circuit breaker;
Topnlagis the lag time of the opening circuit;
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Tarcingis the arcing time.
3.4 Reference Voltage Selection Logic
This device can automatically select the reference voltage according to the related criterion. This
device supports two sets of configurations for predefined target phase angle control operation. If
the controlled circuit breaker is closed or opened with different load, this device can realize
automatic selection of two different control strategies.
If only one phase voltage is inputted, this device can calculate the other two phase voltages
according to the phase position relationship. This device can input three different reference
voltages, and this device can automatically select the reference side, the controlled side and the
target phase angle according to the reference voltage real-time value and the auxiliary contact
binary input values in different application field.
This device can support several kinds of reference voltage selection methods.
3.4.1 Logic for Single-busbar Mode
In single-busbar mode, the busbar is the No.1 reference side, and any one of three busbar phase
voltages can be used as reference voltage. The controlled circuit breaker is used to open or close
the controlled device. Only the target phase angle of the No.1 controlled side needs be set.
Controlled
side 1
Controlled
device
PCS-9830B
Busbar Reference side 1
Voltage: Ua/Ub/Uc
Or current: Ia/Ib/Ic
Controlled CBPhase selection
control
Voltage
Figure 3.4-1 Single-busbar mode
The setting [Opt_RefVoltMode] should be set as0: SingleBB
.
The output mode of this device can be select according to the busbar voltage. If the busbar
voltage is alive, the controlled switching logic will be in service after this device receives control
command; otherwise, this device will output control command directly. The side circuit breaker in
3/2 circuit breaker wiring mode has the same control logic as the single busbar mode.
3.4.2 Logic for Double-busbar Mode
In double-busbar mode, the No.1 busbar is the No.1 reference side, and the No.2 busbar is the
No.2 reference side. And any one of three busbar phase voltages of the two busbars can be used
as reference voltage respectively. The positions of the two busbar disconnectors are inputted tothis device. Only the target phase angle of the No.1 controlled side needs be set.
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Phase selectioncontrol
Controlled
device
PCS-9830B
Busbar 2
Controlled CB
Busbar 1
Controlled
side 1
DS of BB1 DS of BB2
Reference side 1 Reference side 2
Voltage: Ua/Ub/Uc
Or current: Ia/Ib/Ic
Figure 3.4-2 Double-busbar mode
The setting [Opt_RefVoltMode] should be set as 1: DoubleBB.
The auxiliary contacts of the busbar disconnectors are used to detect the positions of the two
busbar disconnectors. This device supports single-position (89a or 89b) and double-position (89a
and 89b) contact inputs.
The reference voltage is selected according to the positions of the two busbar disconnector s. If
the No.1 disconnector is closed, the voltage of the No.1 busbar is used as the reference voltage
preferentially. If the No.1 disconnector is opened but the No.2 disconnector is closed, the voltage
of the No.2 busbar is used as the reference voltage. If the positions of the two disconnectors are
abnormal at the same time, the selected reference voltage is kept.
When the reference voltage has been selected already, if the reference voltage is alive, the
controlled switching logic will be in service after this device receives control command; otherwise,
this device will output control command directly.
If the reference voltage has not been selected, this device will output control command directly if it
receives control command.
If the positions of the two disconnectors are opened at the same time, the alarm signal
[Alm_89b_BB1&BB2] will be issued; and if the positions of the two d isconnectors are closed at the
same time, the alarm signal [Alm_89a_BB1&BB2] will be issued. If the double-position of the
busbar disconnector is abnormal, the alarm signal [Alm_89_BB1&BB2] will be issued. These
signals will be reverted if the abnormal position situation is disappeared.
Only if the setting [Opt_Mechanism] is set as 0: Single-phase, this mode can be in service.
3.4.3 Logic for 3/2 Circuit Breaker Mode
In 3/2 circuit breaker wiring mode, the control of the center circuit breaker has two typical
operations.
1. The voltage of the No.1 busbar is alive and the No.1 circuit breaker (CB1) is closed, the No.1
controlled device is energized or de-energized by controlling the controlled circuit breaker
(center circuit breaker).
2. The voltage of the No.2 busbar is alive and the No.2 circuit breaker (CB2) is closed, the No.2
controlled device is energized or de-energized by controlling the controlled circuit breaker
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(center circuit breaker).
Controlled
device 1
PCS-9830B
Busbar 2
Controlled CB
Busbar 1
Controlleddevice 2Controlledside 2
CB1
CB2
Phase selection
control
Reference side 1
Reference side 2
Voltage: Ua/Ub/Uc
Or current: Ia/Ib/Ic
Voltage: Ua/Ub/Uc
Or current: Ia/Ib/Ic
Controlled
side 1
Figure 3.4-3 3/2 circuit breaker wiring mode
And any one of three busbar phase voltages of the two busbars can be used as reference voltage
respectively. In this mode, this device can control the two controlled device to be energized or
de-energized respectively. So the target phase angles should be set respectively according to
load characteristic.
The setting [Opt_RefVoltMode] should be set as 2: CenterCB.
The auxiliary contacts of the side circuit breakers are used to detect the positions of the two side
circuit breakers. This device supports single-position (52a or 52b) and double-position (52a and
52b) contact inputs.
The reference voltage is selected according to the positions of the two side circuit breakers. If the
CB1 is closed and the CB2 is opened or the voltage of the No.2 busbar is dead, the voltage of the
No.1 busbar is used as the reference voltage. If the CB2 is closed and the CB1 is opened or the
voltage of the No.1 busbar is dead, the voltage of the No.2 busbar is used as the reference
voltage. If the positions of the two side circuit breakers are abnormal at the same time, the
selected reference voltage is kept.
When the reference voltage has been selected already, if the reference voltage is alive, the
controlled switching logic will be in service after this device receives control command; otherwise,
this device will output control command directly.
If the reference voltage has not been selected, this device will output control command directly if it
receives control command.
The double-position of the busbar disconnector is abnormal, the alarm signal [Alm_52_SideCB]
will be issued. This signal will be reverted if the abnormal position situation is disappeared.
If a fixed control operation is adopted, the reference voltage selection logic is same as the single
busbar mode. For example, if only the No.1 controlled device needs to be controlled through the
center circuit breaker, the voltage of the No.2 busbar can be used as reference voltage.
3.4.4 Logic for Quadrilateral Wiring Mode
In quadrilateral wiring mode, to the controlled device of the No.1 controlled side, it needs that the
No.1 controlled circuit breaker (CB1) and the No.2 controlled circuit breaker (CB2) should be
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configured with a PCS-9830B respectively.
Take the PCS-9830B which is configured for the CB1 as an example, the voltages (phase
voltages) of the No.1 reference side, the No.2 reference side and the No.3 reference side need to
be inputted to this device. The controlled device is energized or de-energized by controlling the
CB1. Only the target phase angle of the No.1 controlled side needs to be set.
Controlled
device
PCS-9830B
PCS-9830B
Line 3
Line 1
Line 2
Phase
selection
control
Controlled CB 1
Controlled
side 1
Reference side 2
Reference side 1
Reference side 3
Controlled
CB 2
Voltage: Ua/Ub/Uc
Or current: Ia/Ib/Ic
Figure 3.4-4 Quadrilateral wiring mode
The setting [Opt_RefVoltMode] should be set as 3: Quad.
The reference voltage is selected from the three reference sides. The selection sequence is from
the No.1 reference side to the No.3 reference side.
When the reference voltage has been selected already, if the reference voltage is alive, the
controlled switching logic will be in service after this device receives control command; otherwise,
this device will output control command directly.
Only if the setting [Opt_Mechanism] is set as 0: Single-phase, this mode can be in service.
3.4.5 Logic for Line with Shunt Reactor Wiring Mode
In the line with shunt reactor wiring mode, if an independent circuit breaker is configured for the
shunt reactor, the PCS-9830B needs to select the reference voltage according to the position of
the shunt reactor circuit breaker, the positions of the line switches and the operation state of the
busbars.
The reference voltages (phase voltages) of the No.1 reference side, the No.2 reference side and
the No.3 reference side need to be inputted to this device. The No.1 controlled side is controlled
by closing or opening the circuit breaker (Controlled CB). Only the target phase angle of the No.1
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controlled side needs to be set. The voltage or current signal of the No.1 controlled side is used to
decide the closing or opening point.
PCS-9830B
Busbar 1
CB3
Busbar 2
Controlled
side 2
CB2
CB1
Phase selection
control
Reference side 2
Reference side 1
Voltage: Ua/Ub/Uc
Or current: Ia/Ib/Ic
Controlled
CB
Shunt
Reactor
Controlled side 1
Line
Switch
Reference side 3
Figure 3.4-5 Line with shunt reactor wiring mode
The setting [Opt_RefVoltMode] should be set as 4: LineReactor.
The states of the circuit breakers (CB1, CB2 and CB3) and the states of the line switches are also
inputted to this device. This device can support normal open contact, normal close contact and
double-position contact.
If the switch of the line is closed and the line voltage is alive, the voltage of the No.3 reference side
is selected as reference voltage preferentially. When the switch of the line is opened, if the circuit
breaker CB1 is closed and the voltage of the No.1 busbar is alive, the voltage of the No.1
reference side is selected as reference voltage preferentially. When the switch of the line is
opened, if the circuit breakers CB2and CB3are closed and the voltage of the No.2 busbar is
alive, the voltage of the No.2 reference side also can be selected as reference voltage.
When the reference voltage has been selected already, if the reference voltage is alive, the
controlled switching logic will be in service after this device receives control command; otherwise,
this device will output control command directly.
Only if the setting [Opt_Mechanism] is set as 0: Single-phase, this mode can be in service.
3.5 Controlled Switching Function
This device provides complete controlled switching function: real-time compensation function and
self-adaptive compensation function. If the real-time compensation function is enabled, this device
can execute the controlled switching logic control according to predefined closing or opening time
settings. If the self-adaptive compensation function is enabled, this device can continually correct
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the deviation of target point according to the recent operation deviation, and the correction
amplitude can be configured by setting related parameters. The compensation function related
the parameters of temperature, control voltage, SF6 gas pressure, oil pressure, idle time and
operation number etc. can be enabled or disabled flexibly.
To achieve precise control and desired results, the dispersion and stability of the inherent
operation time of the circuit breaker mechanism is an important factor, and the dispersions of the
pre-breakdown time and arcing time have effect to the final control results. Therefore, it is
important to obtain the true and accurate time parameters and configure them reasonably.
3.5.1 Real-time Compensation Function
Real-time compensation function without deviation correction of external parameters
In this mode, the impacts of temperature, control voltage, energy storage level and SF 6gas
pressure etc. to the operation time of the circuit breaker are
ignored by disabling the related
settings in this device. See Section3.3for the details about the control process.
Real-time compensation function with deviation correction of external parameters
The operation time of the circuit breaker mechanism with the tiny changes of the parameters
of temperature, control voltage, oil pressure, SF6 gas pressure, idle time and operation
number etc. This device can sample these analog values to calculate the deviation of the
operation time. Then the operation time can be corrected on the basis of the deviation.
This device provides 8 analog sensors for sampling temperature, control voltage, three phase
oil pressures of circuit breaker and there phase SF6gas pressures. The statistics of idle time
and operation number can be automatically countered in this device.
3.5.2 Self-adaptive Compensation Function
Self-adaptive compensation function without deviation correction of external parameters
This device can automatically detect the operation finished instant of circuit breaker
according to the sudden change of the feedback signals, and record the operation time of
each phase. If the self-adaptive compensation function is enabled, this device can
automatically correct the deviation in next operation according to the finished operation
records to improve the precision of next operation.
The deviation correction mode of the self-adaptive compensation function can be set freely
through the settings [K_Calbr_Cls] and [K_Calbr_Opn].
Take the voltage zero-cross closing operation as an example, on the assumption that the
latest closing moment t2is after the target phase angle and the closing time is not changed,
if the setting [K_Calbr_Cls] is set as 0.5, the expected closing moment is t1(the current
deviation is half of last one); if the setting [K_Calbr_Cls] is set as 0.0, the expected closing
moment is t0; and if the setting [K_Calbr_Cls] is set as 1.0, the expected closing moment
is still t2.
Because this device has no history operation record when it is in service at first time, the
controlled switching logic will be executed according to predefined settings.
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System voltage
Predefined target
closing point
Last practical
closing point
Expected next closing point
(K_Calbr_Cls = 0.5)
Expected next closing point
(K_Calbr_Cls = 1.0)
Expected next closing point
(K_Calbr_Cls = 0.0)
Feedback signals
t0 t1 t2
Figure 3.5-1 Deviation correction self-adaptive control
Self-adaptive compensation function with deviation correction of external parameters
The deviation correction function is supported in self-adaptive compensation mode. This
device can record previous operation deviation and external parameter values. It can correct
the deviation according to the related deviation correction setting in current operation. To
expectantly correct the operation time of the circuit breaker as expectation, this device
calculates the compensation value due to the changes of the external parameters in two
adjacent closing or opening operations by comparing the real-time values and history values
of the external parameters.
3.6 Auxiliary Functions
3.6.1 Frequency Compensation Function
If the frequency compensation function is enabled, this device will correct each phase waiting time
value according to the time period of the reference voltage and the target phase angle by
monitoring the frequency of the reference voltage. By this way, this device can compensate
control error due to the frequency fluctuation of system voltage.
3.6.2 Circuit Breaker Mechanical Characteristic Supervision
This device gets the operation information of the controlled circuit breaker according to the
feedback signals of the controlled side, and automatically records the operation characteristic of
the controlled circuit breaker or supervises the necessary circuit breaker characteristic in each
control operation to present the abnormal situation in the operation period of circuit breaker.
In normal situation, the operation time difference of a certain phase of the circuit breaker is within
a definite time period. This device can monitor the operation time difference, and if it detects that
the operation time difference (between the current operation time and the predefined reference
value) is greater than the predefined setting, a related alarm signal will be issued
([Alm_ClsTimeDiffx] or [Alm_OpnTimeDiffx], x: A, B or C).
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The three-phase operation time difference of the circuit breaker should be within a definite time
period. If this device detects the three-phase operation time difference is greater than the
predefined setting, a related alarm signal will be issued ([Alm_ClsTimeDiff3P] or
[Alm_OpnTimeDiff3P]).
If the compensation function of the external parameters is enabled, this device will calculate the
compensation value of the operation time of the circuit breaker due to these external parameters.
If the calculated compensation value is greater than the predefined setting, a related alarm signal
will be issued ([Alm_ExtVarCompTime_Cls] or [Alm_ExtVarCompTime_Opn]).
3.7 Measurement Functions
This device can sample the single-phase voltages of the No.1, No.2 and reference sides, and the
three-phase voltages and currents of the No.1 and No.2 controlled sides. It also can measure the
real-time frequency.
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4 Su pervis ion
PCS-9830B Switching Control ler 4-aDate: 2015-02-15
4 Supervision
Table of Contents
4.1 Overview ........................................................................................................................4-1
4.2 Supervision Functions ...............................................................................................4-1
4.2.1 Device Hardware Supervision .......................................................................................... 4-1
4.2.2 Board Configuration Error Supervision ............................................................................. 4-1
4.2.3 Setting Supervision .......................................................................................................... 4-1
4.2.4 Time Synchronization Supervision ................................................................................... 4-2
4.2.5 Auxiliary Communication Testing Supervision................................................................... 4-2
4.2.6 Binary Output Testing Supervision ................................................................................... 4-2
4.2.7 Device Maintenance Supervision ..................................................................................... 4-2
4.2.8 Reference Voltage Supervision ........................................................................................ 4-2
4.2.9 External Parameter Sensor Supervision........................................................................... 4-2
4.2.10 CB and DS Position Supervision .................................................................................... 4-2
4.2.11 CB Mechanical Characteristic Supervision ..................................................................... 4-2
4.2.12 Frequency Supervision .................................................................................................. 4-2
4.3 Alarm Signals................................................................................................................4-3
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4.1 Overview
When this device is in energizing process before the LED HEALTHY is on, this device needs to
be checked to ensure there are no errors. Therefore, the automatic supervision function, which
checks the health of this device during startup and normal operation procedure, is very important.
This device based on the microprocessor operations has the capability for implementing this
automatic supervision function.
In case a fatal fault is detected during automatic supervision, this device will be blocked out. It
means that this device is out of service. Therefore you must re-energize this device or even
replace a module to make this device back into service.
4.2 Supervision Functions
4.2.1 Device Hardware Supervision
The MCU, RAM, ROM, FPGA chips in this device are monitored continuously to ensure whether
they are damaged or have some errors.
If any one of them is detected damaged or having error, this device will be blocked, the alarm
signal [Fail_Device] will be issued, and the LED indicator HEALTHY will be off at the same time.
4.2.2 Board Configuration Error Supervision
If the board configuration of this device does not comply with the program software of this device,
the alarm signals [Fail_Device] and [Fail_BoardConfig] will be issued, and the LED indicator
HEALTHY will be off at the same time.
4.2.3 Setting Supervision
This device has 10 setting groups, but only one is active at any time. The settings of active setting
group are checked continuously.
If anyone of the active settings is confirmed to be modified, this device will be blocked, the alarm
signals [Fail_Device] and [Fail_Setting] will be issued; meanwhile, if the modified setting is out of
the appointed range, the alarm signal [Fail_Setting_OvRange] will be issued at the same time.
The LED indicator HEALTHY will be off at the same time.
If anyone of the items of the setting file is changed (the program of this device is updated), the
alarm signal [Fail_SettingItem_Chgd] will be issued, The LED indicator HEALTHY will be off at
the same time. The items of the setting include the setting number, the setting name, the setting
range, the setting step etc.
If anyone of the items of the setting file is changed (the program of this device is updated), the
alarm signal [Fail_SettingItem_Chgd] will be issued. The LED indicator HEALTHY will be off at
the same time. The items of the setting include the setting number, the setting name, the settingrange, the setting step etc.
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If the settings which are from the HMI module to the main CPU module are not in accordance with
the current settings of the main CPU module, the alarm signal [Alm_Setting_MON] will be issued.
The LED indicator ALARM will be on at the same time.
4.2.4 Time Synchronization Supervision
If the time synchronization function is enabled in this device, but this device detects the time
synchronization is not correct, the alarm signals [Alm_Device] and [Alm_TimeSync] will be issued
and the LED indicator ALARM will be on at the same time.
4.2.5 Auxiliary Communication Testing Supervision
If this device is in the auxiliary communication testing of binary signal or metering, the alarm
signals [Alm_Device] and [Alm_CommTest] will be issued and the LED indicator ALARM will be
on at the same time.
4.2.6 Binary Output Testing Supervision
If this device is in the binary output testing, the alarm signals [Alm_Device] and [Alm_BOTest] will
be issued and the LED indicator ALARM will be on at the same time.
4.2.7 Device Maintenance Supervision
If this device is in the maintenance situation, the alarm signals [Alm_Device] and
[Alm_Maintenance] will be issued and the LED indicator ALARM will be on at the same time.
4.2.8 Reference Voltage Supervision
If this device detects that any one of the reference voltages is less than 30V for longer than 3s, a
related alarm signal [Alm_U_Refx] (x: 1, 2 or 3) will be issued and the LED indicator ALARM will
be on at the same time.
4.2.9 External Parameter Sensor Supervision
If this device detects that any one of the sampled values of the external parameter sensors is out
of the predefined range for longer than 10s, a related alarm signal will be issued and the LED
indicator ALARM will be on at the same time.
4.2.10 CB and DS Position Supervision
If this device detects that any one of the CB and DS positions is abnormal for longer than 60s, a
related alarm signal will be issued and the LED indicator ALARM will be on at the same time.
See Section 3.4for more details.
4.2.11 CB Mechanical Characteristic Supervision
See Section 3.6.2for more details.
4.2.12 Frequency Supervision
If the frequency of each reference side is out of the range fn-0.5Hzto fn+0.5Hz(fn: systemfrequency) for longer than 3s, a related alarm signal [Alm_f_Refx] (x: 1, 2 or 3) will be issued and
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the LED indicator ALARM will be on at the same time.
4.3 Alarm Signals
All the alarm signals listed below which may be issued.
No. Alarm Element Description HEALTHY ALARM
1 Fail_Device A serious fault is detected to block this device. Off
2 Fail_BoardConfig The module configuration of this device is wrong. Off
3 Fail_Setting_OvRange Anyone of the settings is out of range. Off
4 Fail_SettingItem_Chgd Anyone of the setting items is changed. Off
5 Fail_Setting The setting verification is not correct. Off
6 Fail_FPGA The hardware FPGA is abnormal. Off
7 Alm_Device Anyone of the software supervision alarm occurs. On
8 Alm_Version The current program version is not correct. On
9 Alm_Setting_MON The settings from the HMI module are not correct. On
10 Alm_CommTest The communication test operation is executed. On
11 Alm_BOTest The binary output test operation is executed. On
12 Alm_Maintenance The device is in maintenance situation. On
13 Alm_TimeSync The time synchronization is not correct. On
14 Alm_U_Ref1 The No.1 reference voltage is abnormal. On
15 Alm_U_Ref2 The No.2 reference voltage is abnormal. On
16 Alm_U_Ref3 The No.3 reference voltage is abnormal. On
17 Alm_f_Ref1The frequency of the No.1 reference side is out of the
range. On
18 Alm_f_Ref2The frequency of the No.2 reference side is out of the
range. On
19 Alm_f_Ref3The frequency of the No.3 reference side is out of the
range. On
20 Alm_Err_AmbientTemp The temperature sensor is abnormal. On
21 Alm_L_AmbientTemp The temperature is less than the lower limit. On
22 Alm_H_AmbientTemp The temperature is greater than the upper limit. On
23 Alm_Err_CtrlVolt The control voltage sensor is abnormal. On24 Alm_L_CtrlVolt The control voltage is less than the lower limit. On
25 Alm_H_CtrlVolt The control voltage is greater than the upper limit. On
26 Alm_Err_OilPrA The oil pressure sensor of phase A is abnormal. On
27 Alm_L_OilPrAThe oil pressure of phase A is less than the lower
limit. On
28 Alm_H_OilPrAThe oil pressure of phase A is greater than the
upper limit. On
29 Alm_Err_OilPrB The oil pressure sensor of phase B is abnormal. On
30 Alm_L_OilPrBThe oil pressure of phase B is less than the lower
limit. On
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31 Alm_H_OilPrBThe oil pressure of phase B is greater than the
upper limit. On
32 Alm_Err_OilPrC The oil pressure sensor of phase C is abnormal. On
33 Alm_L_OilPrCThe oil pressure of phase C is less than the lower
limit.
On
34 Alm_H_OilPrCThe oil pressure of phase C is greater than the
upper limit. On
35 Alm_Err_GasPrA The SF6pressure sensor of phase A is abnormal. On
36 Alm_L_GasPrAThe SF6pressure of phase A is less than the lower
limit. On
37 Alm_H_GasPrAThe SF6 pressure of phase A is greater than the
upper limit. On
38 Alm_Err_GasPrB The SF6pressure sensor of phase B is abnormal. On
39 Alm_L_GasPrB
The SF6pressure of phase B is less than the lower
limit. On
40 Alm_H_GasPrBThe SF6 pressure of phase B is greater than the
upper limit. On
41 Alm_Err_GasPrC The SF6pressure sensor of phase C is abnormal. On
42 Alm_L_GasPrCThe SF6pressure of phase C is less than the lower
limit. On
43 Alm_H_GasPrCThe SF6 pressure of phase C is greater than the
upper limit. On
44 Alm_ClsTimeDiffAThe closing time difference of phase A is greater
than the setting [t_Diff_1P_Cls].
On
45 Alm_ClsTimeDiffBThe closing time difference of phase B is greater
than the setting [t_Diff_1P_Cls]. On
46 Alm_ClsTimeDiffCThe closing time difference of phase C is greater
than the setting [t_Diff_1P_Cls]. On
47 Alm_OpnTimeDiffAThe opening time difference of phase A is greater
than the setting [t_Diff_1P_Opn]. On
48 Alm_OpnTimeDiffBThe opening time difference of phase B is greater
than the setting [t_Diff_1P_Opn]. On
49 Alm_OpnTimeDiffCThe opening time difference of phase C is greater
than the setting [t_Diff_1P_Opn]. On
50 Alm_ClsTimeDiff3PThe three-phase closing time difference is greater
than the setting [t_Diff_3P_Cls]. On
51 Alm_OpnTimeDiff3PThe three-phase opening time difference is greater
than the setting [t_Diff_3P_Opn]. On
52 Alm_ExtVarCompTime_Cls
The closing time with the external variable
compensation is greater than the setting
[t_ExtVarComp_Cls].
On
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53 Alm_ExtVarCompTime_Opn
The opening time with the external variable
compensation is greater than the setting
[t_ExtVarComp_Opn].
On
54 Alm_CompCurveSettings The setting of the compensation curve is wrong. On
55 Alm_52_SideCB The position of the side circuit breaker is abnormal. On56 Alm_89_BB1&BB2 The position of the busbar disconnector is abnormal. On
57 Alm_89a_BB1&BB2The positions of the two busbar disconnectors are
closed at the same time. On
58 Alm_89b_BB1&BB2The positions of the two busbar disconnectors are
opened at the same time. On
59 Alm_52_MainCBThe position of the controlled circuit breaker is
abnormal. On
60 Alm_52_CenterCB The position of the center circuit breaker is abnormal. On
61 Alm_89_Line The position of the line switch is abnormal. On
62 Alm_BO_Direct The operation signal outputs directly. On
Here, Onmeans the LED is on, Offmeans the LED is off, and means having no influence.
The handling suggestions of the alarm events are listed as below.
No. Alarm Element Handing Suggestion
1 Fail_Device Please check whether there has a serious error in this device.
2 Fail_BoardConfig Please check whether the board configuration complies with the software.
3 Fail_Setting_OvRangePlease ensure whether anyone of the settings is out of range, and make the
related settings be in the setting range.
4 Fail_SettingItem_ChgdPlease enter the relevant setting menu of this device and use the submenu
Confirm Settings(under submenu Settings) to confirm it.
5 Fail_Setting Please ensure whether anyone of the settings is modified.
6 Fail_FPGA Please inform the manufacturer to deal with it.
7 Alm_Device Please ensure whether anyone of the software supervision alarm occurs.
8 Alm_Version Please inform the manufacturer to deal with it.
9 Alm_Setting_MON Please inform the manufacturer to deal with it.
10 Alm_CommTest Please check whether this device is in communication test situation.
11 Alm_BOTest Please check whether this device is in binary output test si tuation.
12 Alm_Maintenance Please check whether the binary input for denoting maintenance is energized.
13 Alm_TimeSync Please check whether the time synchronization signal is correct.
14 Alm_U_Ref1 Please check the input circuit of the No.1 reference voltage.
15 Alm_U_Ref2 Please check the input circuit of the No.2 reference voltage.
16 Alm_U_Ref3 Please check the input circuit of the No.3 reference voltage.
17 Alm_f_Ref1 Please check the voltage input of the No.1 reference side.
18 Alm_f_Ref2 Please check the voltage input of the No.2 reference side.
19 Alm_f_Ref3 Please check the voltage input of the No.3 reference side.
20 Alm_Err_AmbientTemp
Please check the temperature sensor input and the related settings.21 Alm_L_AmbientTemp
22 Alm_H_AmbientTemp
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23 Alm_Err_CtrlVolt
Please check the control voltage sensor of phase A and the related settings.24 Alm_L_CtrlVolt
25 Alm_H_CtrlVolt
26 Alm_Err_OilPrA
Please check the oil pressure sensor of phase A and the related settings.27 Alm_L_OilPrA28 Alm_H_OilPrA
29 Alm_Err_OilPrB
Please check the oil pressure sensor of phase B and the related settings.30 Alm_L_OilPrB
31 Alm_H_OilPrB
32 Alm_Err_OilPrC
Please check the oil pressure sensor of phase C and the related settings.33 Alm_L_OilPrC
34 Alm_H_OilPrC
35 Alm_Err_GasPrA
Please check the gas pressure sensor of phase A and the related settings.36 Alm_L_GasPrA
37 Alm_H_GasPrA
38 Alm_Err_GasPrB
Please check the gas pressure sensor of phase B and the related settings.39 Alm_L_GasPrB
40 Alm_H_GasPrB
41 Alm_Err_GasPrC
Please check the gas pressure sensor of phase C and the related settings.42 Alm_L_GasPrC
43 Alm_H_GasPrC
44 Alm_ClsTimeDiffA
Please check whether the feedback signals are abnormal and whether the
related settings are set reasonably.
45 Alm_ClsTimeDiffB
46 Alm_ClsTimeDiffC
47 Alm_OpnTimeDiffA
48 Alm_OpnTimeDiffB
49 Alm_OpnTimeDiffC
50 Alm_ClsTimeDiff3P
51 Alm_OpnTimeDiff3P
52 Alm_ExtVarCompTime_Cls Please check whether the sensors are abnormal, whether the related settings
are set reasonably.53 Alm_ExtVarCompTime_Opn
54 Alm_CompCurveSettings Please check whether the compensation curve settings are set reasonably.
55 Alm_52_SideCB Please check the side circuit breaker and its auxiliary contact circuit.
56 Alm_89_BB1&BB2
Please check the disconnectors and their auxiliary contact circuits.57 Alm_89a_BB1&BB2
58 Alm_89b_BB1&BB2
59 Alm_52_MainCB Please check the controlled circuit breaker and its auxiliary contact circuit.
60 Alm_52_CenterCB Please check the center circuit breaker and its auxiliary contact circuit.
61 Alm_89_Line Please check the line switch and its auxiliary contact circuit.
62 Alm_BO_Direct Please check whether the operation conditions are satisfied.
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5 Hardware
Table of Contents
5.1 Overview ........................................................................................................................5-1
5.2 Basic Enclosure ...........................................................................................................5-2
5.3 Human Machine Interface Module (NR4856) ........................................................5-3
5.4 Power Supply Module (NR4304/NR4305) ..............................................................5-3
5.5 Main CPU Module (NR4106MA/B/C) ........................................................................5-4
5.6 Network DSP Module (NR4138A).............................................................................5-6
5.7 Analog Input Module (NR4412) ................................................................................5-7
5.8 Binary Output Module (NR4524A) ...........................................................................5-8
5.9 Binary Input Module (NR4501A/D) ....................................................................... 5-10
5.10 DC Analog Input Module (NR4410C) ..................................................................5-11
List of Figures
Figure 5.1-1 Front panel of this device .................................................................................. 5-1
Figure 5.1-2 Rear panel of this device (fully equipped) ........................................................ 5-2
Figure 5.2-1 Rack, back plane and slot allocation of this device ......................................... 5-2
Figure 5.4-1 View of the power supply module ..................................................................... 5-3
Figure 5.5-1 View of the main CPU module ........................................................................... 5-5
Figure 5.6-1 View of the network DSP module ...................................................................... 5-6
Figure 5.7-1 View of the analog input module....................................................................... 5-7
Figure 5.8-1 View of the binary output module ..................................................................... 5-9
Figure 5.9-1 View of the binary input module ..................................................................... 5-10
Figure 5.10-1 View of the DC analog input module..............................................................5-11
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5.1 Overview
The modular design of this device allows it to be easily upgraded or repaired by a qualified service
person. The faceplate is hinged to allow easy access to the configurable modules, and
back-plugging structure design makes it easy to repair or replace any modules.
There are several types of hardware modules in this device; each module takes a different part.
The relevant modules can be selected according to the practical engineering demands.
These modules which are supported in this device and their module codes are listed as below.
Slot No. Module Description Module Code Configuration
1 Main CPU module NR4106 Mandatory
2 Network DSP module NR4138 Mandatory
3~4 Analog input module NR4412 Mandatory5 Binary output module NR4524 Mandatory
6 Binary output module NR4524 Optional
7 Binary input module NR4501 Mandatory
8 DC analog input module NR4410 Optional
9 Power supply module NR4304 Mandatory
x Human machine interface module NR4856 Mandatory
The following two figures show the front panel and the rear panel of this device.
Switching Controller
PCS-9830
ENT
ESC
GRP
HEALTHY
ALARM
1
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
Figure 5.1-1 Front panel of this device
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NR4524A NR4501ANR4106MA NR4138A
RX
RX
01
07
21
20
17
19
16
06
0504
12
11
15
03
10
14
02
13
09
08
18
22
PWR+
NR4304
PWR-GND
NR4412
01 02
03 04
05 06
07
09 10
11 12
13 14
15 16
2423
2221
2019
1817
08
2625
NR4524A NR4410C
Figure 5.1-2 Rear panel of this device (fully equipped)
NOTE! The hardware module configuration in above figure is only a demonstration for
explaining how the hardware module is configured. The hardware module configuration
can be different according to the different engineering demands, and the hardware
module configuration of a practical engineering should be taken as final and binding.
5.2 Basic Enclosure
The basic enclosure of this device is an electronic equipment rack (seeFigure 5.2-1) with an
adequate number of slots for all these modules. The basic rack is equipped with a back plane
(mother board), and the back plane provides some back plane lines for distributing signals within
the enclosure. The rack, back plane and the slot allocation of this device is shown as below.
NR4106MA/B/C
NR4138A
Slot: 1 2 3 4 5 6
NR4524A
NR4501A/D
NR4524A
(Optional)
NR4412
NR4304/NR4305
NR4410C
(Optional)
7 8 9
Figure 5.2-1 Rack, back plane and slot allocation of this device
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5.3 Human Machine Interface Module (NR4856)
The human machine interface (HMI) module is installed on the front panel of this device. It is used
to observe the running status and event information on the LCD, and configure the protection
settings and device operation mode. It can help the user to know the status of this device and
detailed event information easily, and provide convenient and friendly access interface for the user.
Please see Chapter 7for further details about how to access the human machine interface.
5.4 Power Supply Module (NR4304/NR4305)
The power supply module is a power supply converter with electr ical insulation between input and
output, and a maximum output power of 30W. The power supply module has an input voltage
range as described in Section 2.1.1.1. The power supply module can provide two groups of +5Vdc
power supply outputs for other modules in this device. The tolerances of the output voltages are
continuously monitored.
The use of an external miniature circui