theme & system advantages...• panel for synchronization of 4-6 nos. of dg set (250kva to...
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![Page 1: Theme & System Advantages...• Panel for synchronization of 4-6 nos. of dg set (250kva to 600kva) with AMF logic can be supplied as per customer requirement i.e. automatic or manual](https://reader030.vdocument.in/reader030/viewer/2022040602/5e9987fea20b0c7de558baf2/html5/thumbnails/1.jpg)
Theme & System Advantages
KIRLOSKAR OIL ENGINES LIMITEDKIRLOSKAR OIL ENGINES LIMITED
‘Kirloskar Green’ Diesel Generating SetsParallel Operation
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Synchronization is the process of running two or more DGsets in parallel on common bursar, while matching thecharacteristics of each system as closely as possible.
This is accomplished by minimizing the phase-angle
D G Sets Synchronizing Panels
KIRLOSKAR OIL ENGINES LIMITED
This is accomplished by minimizing the phase-angledifference, frequency difference, voltage difference &matching phase sequence between the two systems.
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Applications of Parallel operations
• Synchronizing panels are widely used in various fieldswhere heavy power inputs are required like:
• Telecom Sector Processing plants
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• Engineering units Hospitals
• Hotels Offices
• Institutions Etc
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• Continuous back up of power supply
• Without failure of power supply, maintenance of dg set canbe done.
Advantages of DG sets in Parallel operations
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• As per load condition required no. of dg sets can beoperated.
• Fuel saving
• In case, failure of one set, power can be drawnfrom other sets without any trouble.
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• Manual synchronizing
• Automatic synchronizing
Types of Synchronizing Panels
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• This is done by the trained operator by comparing thevalues for voltage, frequency & phase angle of bus bar &dg to be synchronized using under mentionedinstruments mounted & wired on panel board:
Manual Synchronizing- Types of Synchronizing panels
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Double voltmeter Double frequency meter
Syncroscope Lamps
Potentiometer Volt meter
Ampere meter Power factor meter
Killo-Watt meter
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After synchronizing & closing of breakers, two kind of loadsharing are required :
Active load sharing : This is attained by increasing or decreasing rpm of engine using potentiometer on panel board
Manual Synchronizing- Types of Synchronizing panels
KIRLOSKAR OIL ENGINES LIMITED
Cont. …..
engine using potentiometer on panel board
Reactive load sharing : This is attained by increasing or decreasing voltage of alternator using potentiometer on panel board
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• Check sync relay
• Reverse power relay
Protections relay
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• Earth fault relay
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• For automatic synchronizing pre programmed microprocessor based relays or PLC are used and the whole process is completed step by step automatically without any manual involvement.
• Kirloskar Engines have electronic governor with the provision of manual setting of droop with simple tool. (in other make laptop with software is required on site for any
Auto Synchronizing Panels
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of droop with simple tool. (in other make laptop with software is required on site for any setting in governor, which may cause unnecessary delay from service point of view.)
• All synchronizing panels can be manufactured with the combination of Micro processor based relay e.g. Woodward or PLC e.g. Allen Bradley or Siemens.
• Panel for synchronization of 4-6 nos. of dg set (250kva to 600kva) with AMF logic can be supplied as per customer requirement i.e. automatic or manual.
![Page 10: Theme & System Advantages...• Panel for synchronization of 4-6 nos. of dg set (250kva to 600kva) with AMF logic can be supplied as per customer requirement i.e. automatic or manual](https://reader030.vdocument.in/reader030/viewer/2022040602/5e9987fea20b0c7de558baf2/html5/thumbnails/10.jpg)
PLC based DG Synchronization System
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Isochronous Load Sharing
Unit A1000 KW
Unit B800 KW
50 Hz 50 Hz
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0 25 50 75 100 %( 500 KW )
0 25 50 75 100 %
( 400 KW )
50 Hz 50 Hz
TOTAL LOAD 900 KW
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Bump less Load Transfer
Gen 2
TOTAL PLANT LOAD
Gen 1
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ISO LOAD
SHARINGLOAD
BreakerCloses ( Gen 2 )
BreakerOpens ( Gen 1)
TIME
Unload Gen 1 Initiated
Gen 2
¶ Gen 1Gen 2
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Kirloskar Green Offers
• Automatic DG Synchronization• Automatic Isochronous Load Sharing• Bump less Load Transfer• AMF Function• Inbuilt Engine Protections
KIRLOSKAR OIL ENGINES LIMITED
• Inbuilt Engine Protections• Inbuilt Alternator Protections• Load Management System• Auxiliary Control
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Synchronizing
• Phase Match Synchronizing (up to 2* phase error)• Digital Signal Processing to reduce harmonics• Voltage Matching (Up to 0.1%)• Multiple Reclosing Attempts• Safe Dead Bus closing logic
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• Safe Dead Bus closing logic• Three Modes of operation (Run/Check/Permissive)• Capable of Grid & DG Synchronization• Manual Synchronization Capability
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Load sharing
• Isochronous Proportional Load Sharing• Active as well as Reactive Load Sharing• Load Ramping• Adjustable Loading/Unloading ramps• Power Factor Control
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• Power Factor Control
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Engine Protections
• High/Low Coolant Temperature• High/Low Lube Oil Pressure• Over Speed• Start Failure• Cool Down Timer
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• Cool Down Timer• Idle/Rated Control
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Alternator Protections
• Over/Under Voltage• Over/Under Frequency• Reverse Power (Inverse Time Delay)• Reverse KVAR• Over Current (Inverse Time Delay)
KIRLOSKAR OIL ENGINES LIMITED
• Over Current (Inverse Time Delay)• Load Surge• Speed/Frequency Mismatch
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Automatic Sequencing
• Sequencing Uses Master - Slave Configuration.
Master Slave Slave Slave
Priority 1 Priority 2 Priority 3 Priority 4
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• Sequencing Uses Master - Slave Configuration.• Each Unit in the system has an assigned Priority.• Master (Highest Priority) automatically sequences units on or off line as determined by system load.
• Higher priority units are sequenced on in order of their priority; taken off in reverse of priority.
• Online Changing of Priority
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Features of PLC
• PLC has a high performance distributed architecture that reduces costs and risks.
• PLC’s powerful open communications makes it easy to share information
• PLC is a good value - large PLC power in a smaller package
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package• PLC is easy to maintain• PLC can save time, money, and reduce project risk with highly integrated intelligent functions.
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Advantages
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Advantages
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Memory - flexible and easy to maintain
• Easy to expand– PCMCIA cards can be easily added to the Type I
PCMCIA slot on the front of the CPU, minimizing maintenance time.
• Backup memory– Program, constants, module parameters– Easy field updates
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– Easy field updates
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DIRECT INTERFACE
§ Direct interface to Electronic Governors
Electronic Governor
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§ Direct interface to Electronic Governors – No relay, contact, MOP in the circuit
§ Faster Response
§ High Reliability
§ Adjustable Load/Unload ramps
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Load Sharing
• Isochronous Load Sharing• %age based Loading of DG sets• Better utilization of DG sets• No Jerks on Supply System due to Bump less Load Transfer
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Transfer• Smooth Loading & Unloading• Very fast & reliable synchronization• Constant frequency over the entire range
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PLC is Easy to Maintain
plug ‘n play(no switches)
electronic keying
diagnostic LEDs
broken wire detection,terminal block detection
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removable terminal blocks
Hot Swap
coding ofmodules andterminal blocks
protection - short circuit,overload, preactuator voltage, surge protection
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Other Advantages
• Specific Design for the Power Generation market • Flexibility: Easy addition & deletion of DG Sets • Modular: Each DG has a dedicated control• Standard Hardware & Software• Component Integration: Cost & space saving• Saving in space/field wiring• 24 V DC supply from engine battery
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• 24 V DC supply from engine battery• Inbuilt Generator Protection
A fully integrated generator control package
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Reference Installations of Kirloskar Green
KIRLOSKAR OIL ENGINES LIMITED5 nos 600 kVA Kirloskar Green Sets in Synchronizing mode at MCA Pune
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Reference Installations of Kirloskar Green
KIRLOSKAR OIL ENGINES LIMITED5 nos 500 kVA Kirloskar Green at Kakde Magnum, Pune
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Thank You.
KIRLOSKAR OIL ENGINES LIMITED
Thank You.