A
Summer Training

Presentation
on
“Operation and maintenance of EHV equipment and
Transmission system”
2013-2014

Rajdhan...
Introduction of a substation
 Intermediate link between
Generating station & Consumers
 Important part of T&D
 Step dow...
220 kv GSS Sanganer
• History of GSS.
1.
2
3
4
5

Established in 1981
1981 – Heerapura 132kV was there
1998 – KTPS 220kv w...
Outgoing feeders
•

132kv lines

1. Mansarovar I
2. Mansarovar –II
3. Balawala
4. Niwai
5. Sitapura
6. chaksu

• 33kv line...
Single line diagram
GSS
Classification of substation.
• Basis of Nature of Duties
1.
Step-Up or primary Substations
2. Primary Grid Substations
3....
Classification on the Basis of Operating Voltage
1. High Voltage Substations
2. Extra High Voltage Substations
3. Ultra Hi...
Equipment For Substation
•
•
•
•
•
•
•
•
•
•
•
•
•
•

Lightning Arresters
Main Bus-Bars
Wave Trap
Switchgear
Power Transfo...
Lightning arrester
• Protective device
• Equipment use power poles and towers, power
transformers, circuit breakers, bus s...
Wave trapper
• Trap signals and send it to PLCC control Room
• For information purpose
Bus-bars
• Carry electrical supply
• Maximum load
Switchgears
• Controlling equipment
• Protecting equipment
1. Equipment
• Air break Switches, Oil Switches,Isolators,Circu...
•Air switch breaker

• Isolators
Circuit breakers
• Used to Close or open
electrical circuit
• -It cab be operated manually
or automatically

Classificati...
Power transformer
Types of Transformer
•
•
•
•
•

Power transformer
Current transformer
Potential transformer
Capacitance voltage transforme...
Current transformer
• Measurement of electric
currents and protective relays

 Potential transformer
• Reduced high volt...
Faults in transformer
External faults

Internal faults

• Must be disconnected
• Not allowed to operate for
long time
• Fa...
Cooling in transformer
Fire protection system
• N2O2
• Nitrogen injection, when control panel receive indication
Substation earthing
• Every instrument earthed
• Lighting arresters
Control room

Protection
Battery Room

• Very crucial section of GSS as batteries provide power
back up and also DC power for DC signaling of contr...
Training from 220kv GSS Sanganer, which is located on Muhana Road, Jaipur
Training from 220kv GSS Sanganer, which is located on Muhana Road, Jaipur
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Training from 220kv GSS Sanganer, which is located on Muhana Road, Jaipur

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The technology all about GSS System and their operating system.
In the presentation all about the GSS and their instrument which has used in GSS for operation and controlling the whole system.
I hope this presentation helpfull to all those students, who had their training from Sanganer 220kv GSS.

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Training from 220kv GSS Sanganer, which is located on Muhana Road, Jaipur

  1. 1. A Summer Training Presentation on “Operation and maintenance of EHV equipment and Transmission system” 2013-2014 Rajdhani Engineering College Jaipur Department of ‘Electrical Engineering Presented by:Vikas Jangir Electrical Engineering
  2. 2. Introduction of a substation  Intermediate link between Generating station & Consumers  Important part of T&D  Step down high voltages Sanganer GSS Capacity : 220 kV,132kV,33 kV
  3. 3. 220 kv GSS Sanganer • History of GSS. 1. 2 3 4 5 Established in 1981 1981 – Heerapura 132kV was there 1998 – KTPS 220kv was added 2002 – Heerapura-I 220kv was added 2005 – Heerapura-II 220kv added • Incoming feeders. 1 Heerapura I – 220kV 2 KTPS – 220kV 3 Heerapura II -220kV
  4. 4. Outgoing feeders • 132kv lines 1. Mansarovar I 2. Mansarovar –II 3. Balawala 4. Niwai 5. Sitapura 6. chaksu • 33kv lines • 11kv lines 1. 2. 3. 4. 5. 6. 7. 8. 1. 2. 3. 4. Muhana Mandi Malpura Vatika Phagi Sitapura Sanganer Durgapura-I Durgapura-II Tejawala Industrial Pream Nagar Muhana
  5. 5. Single line diagram
  6. 6. GSS
  7. 7. Classification of substation. • Basis of Nature of Duties 1. Step-Up or primary Substations 2. Primary Grid Substations 3. Step-Down or Distribution Substations • Basis of Service Rendered 1. Transformer Substations 2. Switching Substations 3. Converting Substations • Basis of Importance 1. Grid Substations 2. Town Substations
  8. 8. Classification on the Basis of Operating Voltage 1. High Voltage Substations 2. Extra High Voltage Substations 3. Ultra High Voltage Substations Classification on the Basis of Design 1. Indoor Type Substations 2. Outdoor Type Substations
  9. 9. Equipment For Substation • • • • • • • • • • • • • • Lightning Arresters Main Bus-Bars Wave Trap Switchgear Power Transformer Instruments Transformers Capacitor voltage transformer Isolators Circuit Breakers Insulators Fuses Protective Relays Station Insulators Batteries
  10. 10. Lightning arrester • Protective device • Equipment use power poles and towers, power transformers, circuit breakers, bus structures, and steel superstructures in substations
  11. 11. Wave trapper • Trap signals and send it to PLCC control Room • For information purpose
  12. 12. Bus-bars • Carry electrical supply • Maximum load
  13. 13. Switchgears • Controlling equipment • Protecting equipment 1. Equipment • Air break Switches, Oil Switches,Isolators,Circuit breaker • Earthing Switch
  14. 14. •Air switch breaker • Isolators
  15. 15. Circuit breakers • Used to Close or open electrical circuit • -It cab be operated manually or automatically Classification of C.B 1. Water circuit breaker 2. Air circuit breaker 3. Air blast circuit breaker 4. Sulphur-hexa-fluoride circuit breaker 5. Vacuum circuit breaker
  16. 16. Power transformer
  17. 17. Types of Transformer • • • • • Power transformer Current transformer Potential transformer Capacitance voltage transformer Distribution transformer faults in transformer • Internal faults • External faults
  18. 18. Current transformer • Measurement of electric currents and protective relays  Potential transformer • Reduced high voltage in a fixed voltage and measurements purpose also
  19. 19. Faults in transformer External faults Internal faults • Must be disconnected • Not allowed to operate for long time • Failure of coolant • Short circuit in windings • Fire inside transformer • Over heating Protection Protection • Buchholz protection • Overheating protection • Cooling fans • Fire protection system • Protection against magnetizing inrush current
  20. 20. Cooling in transformer
  21. 21. Fire protection system • N2O2 • Nitrogen injection, when control panel receive indication
  22. 22. Substation earthing • Every instrument earthed • Lighting arresters
  23. 23. Control room Protection
  24. 24. Battery Room • Very crucial section of GSS as batteries provide power back up and also DC power for DC signaling of control equipments and fire protection system
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