dlpd
TRANSCRIPT
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Industrial Systems
Digital Line Protection SystemDigital Line Protection System
Microprocessor Based Protection, Control and Monitoring System
Waveform Sampling Proven Protection Economical Ease of Retrofit
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Industrial Systems
DLP-D EnhancementsDLP-D Enhancements
MODEL DLP3512CDHRatings:In 5 AMPSVn 120 VacFreq 60 HzGEK 99300
GREEN: PROTECTION ONRED: CHECK STATUSg Digital Line Protection
GE PROTECTION AND CONTROLMalvern, PA
COMM
TRIP AC Z1 50
01Power
ON
OFF
SET1/Y 2 3/N CLRINF 4 5 6ACT 7 8 9ENDPRT 0 ENT.
ASCII SUBSET
Three Phase& Single Phase
Tripping
Continuous MonitorAlarm 2 Shot Recloser
Optional
DLP-CRepackaged
UnbalanceAlarm
Detection
New Packaging3 RU High
Horizontal or Vertical
SCADAInvolved Phases
IndicationStandard
Carrier StartOptions
ProvenDesign
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Industrial Systems
Overview of DLP OperationOverview of DLP Operation
Multiple Microprocessors (3)
Sampling Rate = 16/Cycle
ANALOGTO
DIGITALCONVERTER
SETTINGS MMI
PHASORQUANTITIES
EMULATION OF: PHASE ANGLE COMPARATORS, AMPLITUDE COMPARATORS, ETC.
MicroP’s&
EPROMS
RECURSIVEFOURIER
TRANSFORM
MEASURINGFUNCTIONS
LOGIC
DISPLAY
RS232
OUTPUTS
I
V
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Industrial Systems
DLP ApplicationDLP Application For Three Phase or Single
Phase Tripping on any Uncompensated Transmission Line
Typical Operating Times are 3/4 to 1-1/2 Cycle
6 Protection Schemes– Step Distance– Directional Comparison Blocking– POTT– PUTT– Hybrid– Zone 1 Extension
G
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Industrial Systems
DLP Operating TimesDLP Operating Times SCR Tripping Times PT Potential Source
0.01 0.1 1 10IZ-V
(Per Unit Volts)
Mill
isec
onds
10
20
30
40
50
Minimum
Maximum
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Industrial Systems
DLP Operating TimesDLP Operating Times SCR Tripping Times CVT Potential Source
0.01 0.1 1 10IZ-V
(Per Unit Volts)
Mill
isec
onds
10
20
30
40
50
Maximum
Minimum
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Industrial Systems
Settings:Settings: Scheme Selection
– STEP– POTT– PUTT– HYBRID– BLOCKING (BLK1, BLK2, BLK3)– ZONE 1 EXTENSION
Zone 2 Ground Measuring Unit Selection
– Distance– Directional Overcurrent– Distance + Directional O/C
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Industrial Systems
Measuring FunctionsMeasuring FunctionsDISTANCEDISTANCE
Phase GroundZone 1 MHO MHO-or-REACTANCE
Zone 2 MHO MHO(Pilot Zone)
Zone 3 MHO MHO
Zone 4 MHO* MHO(Reversible/Blocking)
*Settable Offset
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Industrial Systems
Measuring FunctionsMeasuring FunctionsOVERCURRENTOVERCURRENT(3|I0| - KT|I1|) IPT - Pilot Trip(3|I0| - KB|I1|) IPB- Pilot Block
IT - Trip SupervisionIB - Block SupervisionFD - Fault Detector
(3|I0| - KD|I1|) IDT - Inst. Direct Trip (Directional Control)(3|I0|) GTOC - Time Overcurrent (Directional Control)
DIRECTIONALDIRECTIONALNT - TripNB - Block
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Industrial Systems
Ground TOC CurvesGround TOC Curves
? Custom Ground TOC Curves
From Several Sources– Curves generated by GE’s TOC
curve editor– Any curve from GE’s TOC curve
database– The Existing Library of ASPEN
RelayEditorTM curves– Any custom curve designed with
ASPEN RelayEditorTM
Inverse
Custom
ExtremelyInverse
Definite Time
Very Inverse
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Industrial Systems
Additional Protective Relay FeaturesAdditional Protective Relay Features Out-of-Step Blocking PT Fuse Failure Line Pickup (Close Into Fault) Remote Open Detector Line Overload Adaptive Reach
(Zone 1 Ground Reactance - Supervising MHO) Current Unbalance Alarm Continuous Monitor Alarm Detects Internal Relay Changes if
FD is Not Picked Up Carrier Start Options for Improved Coordination in Blocking
Schemes with Other Relays. Trip Bus Check when Settings are Changed
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Industrial Systems
RecloserRecloser (Optional) (Optional)
Single breaker reclosing Programmable up to 2 reclose attempts Manual Lockout Panel Switch Additional Inputs
– Reclose Initiate, Reclose Inhibit, Reclose Cancel, Reclose Reset Additional Outputs
– Zone 1 Reach Reset, Lockout Alarm, Reclose in Progress
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Industrial Systems
Inputs - Single Phase ModelsInputs - Single Phase ModelsIA, IB, ICVAG, VBG, VCGRI-1PRI-3PReceiver 1 Output ContactReceiver 2 Output Contact*Stop Carrier*Block Pilot Tripping*(3) 52/b Contacts (w/ Recloser)(3) 52/b Contacts (w/o Recloser)Reclose InhibitReclose CancelReclose Reset3 Pole Trip Enable
* Configurable Inputs
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Industrial Systems
Inputs - Three Phase ModelsInputs - Three Phase ModelsIA, IB, ICVAG, VBG, VCG(6) Digital Inputs (Contact Converters)(2) 52/b ContactsReceiver 1 Output ContactReceiver 2 Output Contact*Stop Carrier*Block Pilot Tripping*RI**Reclose Inhibit**Reclose Cancel**Reclose Reset**
* Configurable Inputs** Inputs for Recloser
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Industrial Systems
Configurable InputsConfigurable Inputs(1701)CONCCI CC4 CC5 CC6
0 RECEIVER 2SELECT GROUP BIT 1 SELECT GROUP BIT 0
1 EXTERNAL TRIGGER SELECT GROUP BIT 1 SELECT GROUP BIT 0
2 CONFIG. INPUT 1 SELECT GROUP BIT 1 SELECT GROUP BIT 0
3 RECEIVER 2STOP CARRIER BLOCK PILOT TRIP
4 EXTERNAL TRIGGER STOP CARRIER BLOCK PILOT TRIP
5 CONFIG. INPUT 1 STOP CARRIER BLOCK PILOT TRIP
6 RECEIVER 2CONFIG. INPUT 2 CONFIG. INPUT 3
7 EXTERNAL TRIGGER CONFIG. INPUT 2 CONFIG. INPUT 3
8 CONFIG. INPUT 1 CONFIG. INPUT 2 CONFIG. INPUT 3
USERINPUT
DEFAULT
SELECTSETTINGS
GROUP
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Industrial Systems
Configurable Inputs / Adaptive SettingsConfigurable Inputs / Adaptive Settings
SettingsCC5 CC6 Group
0 0 G1 0 1 G2 1 0 G3 1 1 G4
SETTINGS GROUP
G1
G2
G3
G4
SETTINGS GROUP SWITCH 16SB1______
CONTACT NUMBER G4 G3 G2 G11 X X 2 3 X X4
1 2
3 4
CC5 (bit 1)+-
SG1
CC6 (bit 0)+-
SG3
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Industrial Systems
Outputs - Single Phase ModelsOutputs - Single Phase ModelsDEDICATEDTrip (SCR or Contact, 2 per phase)..... 6BFI (2 per phase)................................... 6RI-1P...................................................... 2Transmitter Key.................................... 2Zone 1 Extension Reset....................... 13 Pole Trip Enable................................ 1Reclose in Progress............................. 1Alarm (Pwr Supply/Critical)................. 1SCADA.................................................. 5
CONFIGURABLERI-3P (Configurable as pair)................ 2BKR Close(Independent - Except Reclosing)...... 2Line Overload....................................... 1Non-Critical Alarm................................ 1Reclose Cancel..................................... 1
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Industrial Systems
Outputs - Three Phase ModelsOutputs - Three Phase ModelsDEDICATEDTrip (SCR or Contact)........................... 2BFI.......................................................... 2Transmitter Key.................................... 2Alarm (Pwr Supply/Critical)................. 1SCADA................................................... 5Reclose in Progress (recloser models only)......................... 1Lockout Alarm & Reach Reset(recloser models only)......................... 2
CONFIGURABLERI............................................................ 2BKR Close (Independent).................... 2Line Overload....................................... 1Non-Critical Alarm................................ 1Reclose Cancel..................................... 1
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Industrial Systems
Configurable OutputsConfigurable OutputsEXAMPLE:Configure the BC-1 Output to Close when Zone 1 BG, GRD DIR TRIP, and CONF. INPUT 1 are “ON” and CONF. INPUT 3 is “OFF”.
(1801) CONOUT 1 = 2 (AND gate)(1802) CO1 IN1= 2 (Z1BG)(1803) CO1 IN2= 35 (GRD DIR TRIP)(1804) CO1 IN3= 50 (CONF. INPUT 1)(1805) CO1 IN4= 152 (“NOT” of CONF. INPUT 3)(1806) CO1 IN5= 0
. .
. .(1809) CO1 IN8= 0
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Industrial Systems
SCADA Digital to Analog InterfaceSCADA Digital to Analog Interface Provides Analog Output Proportional to Distance to
Fault Location in 0 to 1mA DC or 0 to 5 Vdc Output (Selectable)
Four (4) Contact Outputs Provide Fault TypeExample:
A
B
C
G
Phase A toNeutral Fault
Indication
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Industrial Systems
Target (Current Actuated) Fault Location
– Algorithm = Lumped Parameter Differential Equation Solution– Uses Phasor Quantities (Output of Fourier Algorithm) as Inputs– Eliminates the Effect of Fault Resistance
TRIP AB Z1 44
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Industrial Systems
Present Value ReportingPresent Value Reporting
Voltages
Watts
Phase Angles
Currents
Vars
Breaker Status
Automatically Displayed and UpdatedIn Four Second Intervals on LED Display
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Industrial Systems
CommunicationsCommunications Local MMI (Standard)
– 2 Level Password Protection» MASTER» SETTINGS
– 16 LED Alphanumeric Display– Keypad with 20 Keys– Separate Function Keys for
» Settings» Action» Information
– Alarms– Status LED
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Industrial Systems
CommunicationsCommunications Remote Access
– Via RS232 & “DLP-LINK” Software
– Front and Rear RS232 Ports– 3 Level Password Protection
Access to:– Present Values– Fault Report– Sequence of Events– Oscillography– Manual Breaker Control– Relay Settings
Local Functions Setup Help[ - ] DLP COMMUNICATIONS 2.80
Logout Change access level Hang up phone
Actions . . . Information . . . Settings . . .
Relay Functions
Login
Phone disconnected
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Industrial Systems
Remote Access - Rear ASCII PortRemote Access - Rear ASCII Port
ASCII PORT HELP SCREEN
STATION: MALVERNLINE: LINE 1UNIT ID: 0
DATE: 08/24/96TIME: 10:57:51
STATUS - Request DLP StatusVALUES - Request Present ValuesMODEL - Request PROM and MODEL numbersEVENTS - Request event reportSHOWSET - Request setting group informationSTLINID - Request station and line IDFAULT - Request fault report FSTATUS - Request status of all faultsLOGIN - Login requestLOGOUT - Logout request
STATION: MALVERNLINE: LINE 1UNIT ID: 0
DATE: 08/24/96TIME: 10:57:51
MODEL NUMBER: DLP3512CDH PROM VERSION NUMBER: V002.320B
INFORMATION ONLY
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Industrial Systems
Fault ReportFault Report
Prefault– Currents– Voltages
Post Fault– Currents– Voltages– Trip Targets– Operating Time
Selected Events
Sample DLP 5512
FAULT REPORT
Station ID: PLACE TRANSMISSION
Line ID: CREEK 115KV OCB 5512
TRIP DATE: 09/11/95 TRIP TIME: 15:16:10.295
FAULT TYPE: AB DISTANCE: **** MILES TRIP TYPE: Z4 OPERATING TIME: 01496
PREFAULT FAULT Ia: 038.40 A Ia: 057.60 A Ib: 028.80 A Ib: 048.00 A Ic: 057.60 A Ic: 050.40 A In: 007.20 A In: 014.40 A
Va: 066.0 KV Vb: 066.0 KV Vc: 066.1 KV
15:16:10.295 TRIP SIGNALS ON15:16:12.119 TRIP SIGNALS RESET
15:16:12.119 TRIP CIRCUIT #1 NOT ENERGIZED
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Industrial Systems
Present ValuesPresent Values
Currents Voltages Angles Watts Vars Breaker Status Carrier Status Active Setting Group
Sample DLP 5072
PRESENT VALUES
Station ID: CREEK TRANSMISSIONLine ID: 115KV OCB
09/18/95 14:23:44.455
IA: 001.16 A -001 DEGS VA: 066.3 V 000 DEGS IB: 001.26 A 119 DEGS VB: 066.3 V 121 DEGS IC: 001.26 A -119 DEGS VC: 066.3 V -119 DEGS
IN: 000.03 A **** DEGS
WATTS: 056.6 MW VARS: 003.1 MVAR
BREAKER 1: CLOSED BREAKER 2: N/A
PLC #1 SIGNAL: OFF PLC #2 SIGNAL: OFF PLC #1 STATUS: N/A PLC #2 STATUS: N/A
STOP CARRIER: OFF SETTING GROUP NUMBER: 1 BLOCK PILOT TRIP: OFF
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Industrial Systems
Sequence of EventsSequence of Events
Operational Events– Setting Changes– Fault Data– Status
Diagnostic Self-Test Events– Warning (Non-Critical Alarm)– Failure (Critical Alarm)
Time Tagged to 1ms Resolution
Last 100 Events Stored
Sample DLP 5072
EventsStation ID: CREEK TRANSMISSION
Line ID: 115KV OCB
07/25/95 19:06:21.121 TRIP SIGNALS RESET07/25/95 19:06:21.121 TRIP CIRCUIT #1 NOT ENERGIZED
07/25/95 19:06:21.048 TRIP SIGNALS ON07/25/95 19:06:21.038 OSC TRIGGER
05/31/95 12:16:42.091 TRIP CIRCUIT #1 MONITOR ALARM ON05/31/95 12:16:41.915 TRIP CIRCUIT #1 MONITOR ALARM ON
05/31/95 12:16:41.879 REMOTE COMM - SETTINGS CHANGE DONE05/31/95 12:16:30.720 REMOTE COMM - SETTINGS CHANGE STARTED
05/31/95 12:13:48.392 REMOTE COMM - PASSWORD CHANGED05/31/95 12:11:53.383 REMOTE COMM - PASSWORD CHANGED
05/31/95 12:10:37.847 UNBALANCED SYSTEM DETECTION ALARM ON05/31/95 12:10:29.930 REMOTE COMM - PASSWORD CHANGED
05/31/95 12:09:35.302 FUSE FAILURE ALARM ON05/31/95 12:09:35.175 LOCAL - SETTINGS CHANGE DONE
05/31/95 12:09:30.826 LOCAL - SETTINGS CHANGE STARTED05/31/95 12:07:22.109 UNBALANCED SYSTEM DETECTION ALARM ON
05/31/95 12:06:00.042 FUSE FAILURE ALARM ON05/31/95 12:06:00.000 SSP BOARD: QUEUES REINITIALIZED
05/31/95 12:05:30.210 FAIL - TRIP BUS CHECK05/31/95 12:05:30.177 FUSE FAILURE ALARM ON
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Industrial Systems
Oscillography TriggersOscillography Triggers
None Fault Detector Any Zone 2 Any Zone 3 Any Zone 4 Out-of-Step V1 Detector External Contact Input
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Industrial Systems
Flexible Oscillography Data StorageFlexible Oscillography Data Storage
# Faults Stored Cycles 2 72 4 36 7 18 14 9
Pre-fault Cycles Selectable from 1 to 8 Settings and Fault Report are stored with
Oscillography Data
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Industrial Systems
Oscillography DataOscillography Data
Internal and External Oscillography Triggering
ASCII File Format(Readable by EXCEL/LOTUS/DL-DATA)
For Each Sample4 Currents (IA, IB, IC, IN)3 Voltages (VA, VB, VC)6 Flag Groups
Digital InputsOutputsPhase Zone FlagsBreaker Status and Gnd. Zone FlagsProtection Logical Input FlagsOutput Status of Protection Timers
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Industrial Systems
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Industrial Systems
Hardware and PackagingHardware and Packaging Draw-Out Modular Construction with Removable Door Front Panel Power Switch Information Access
– MMI– RS232 Front & Rear (GE Modem)– RS232 Rear (ASCII)
Target Clearing Through Door Optional Mounting Flanges for L2 and KD cutouts and
Moveable Mounting Brackets Self-Test Diagnostics
– Critical Alarm– Non-Critical Alarm
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Industrial Systems
Hardware and PackagingHardware and Packaging Magnetics are easily accessible, but not part of Drawout
Assembly– Improves reliably by eliminating CT shorting bars
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Industrial Systems
Nomenclature Selection GuideNomenclature Selection GuideDLP * * * * * * *
1 1 AMP Rated5 5 AMP Rated
0 48 Vdc Battery Voltage1 110/125 Vdc Battery Voltage2 220/250 Vdc Battery Voltage
1 SCR Tripping Output2 Relay Tripping Output
3 C Three Phase Tripping, Without Recloser1 J Single Phase Tripping, Without Recloser1 K Single Phase Tripping, With Recloser3 K Three Phase Tripping, With Recloser
D Revision LevelH Horizontal MountingV Vertical Mounting