132 kv gss sitapura jaipur by mirza
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Transcript of 132 kv gss sitapura jaipur by mirza
APRESENTATION
ON
Submitted To:- Mr. Sanjeev Kumar Rajoria Electrical Dept.
132 KV G.S.S.(SITAPURA)
Submitted By:- Mirza Sarmad Baig 13EGCEE057
Department Of Electrical EngineeringGLOBAL COLLEGE OF TECHNOLOGY
2013-2017
RRVPNL(An Organization)
▪ Rajasthan Rajya Vidyut Prasaran Nigam Limited (RVPN) a company under the Companies Act, 1956 and its Registered Office is at VIDYUT BHAWAN, JYOTI NAGAR, JAIPUR-302005 has been established on 19 July, 2000 by Govt. of Rajasthan.
▪ 132KV GSS Sitapura(Jaipur) come under the company of RRVPNL.
Its aim is to provide reliable electric transmission service to the customers.
Contents:-▪An Overview▪Working ▪Components▪Conclusion
OVERVIEWG.S.S. – GRID SUB STATION
• WHAT• HOW
WHAT IS G.S.S.?• A substation is a large installation of transformers to change voltage
levels between high transmission voltages and lower distribution voltages, or at the interconnection of two different transmission voltages.
• Transmission System• Distribution system
132KV GSS Sitapura Yard 33KV GSS Sitapura yard
STRUCTURE OF G.S.S.(SITAPURA)
INCOMING LINES132 kV INDRA GANDHI NAGAR132KV SANGANER
OUTGOING LINES33 KV NRI33 KV SITAPURA33 KV PRATAP NAGR33 KV MICO33 KV TIJARIA33 KV STONE MART….. Many more.
COMPONENTS
LIGHTINING ARRESTER
POWERTRANSFORMER
S
POTENTIALTRANSFORMER
SBUS BARS
CURRENT TRANSFORMER
S
CONTROL ROOM
CIRCUIT BREAKER
S
CAPACITIVE VOLTAGE
TRANSFORMERS
PROTECTIVE RELAY
BATTERY ROOM
PLCC WAVETRAP
ISOLATORS
POWER TRANSFORMERSTEP-UP & STEP-DOWN
PARTSPRIMARY & SECONDARY WINDING
COREBUCHHOLZ RELAY
CONSERVATOR TANKOIL LEVEL INDICATOR
RADIATOR
RATING3-F,2-WINDING, 132/33KV
40/50 MVA.
CURRENT TRANSFORMERPOTENTIAL TRANSFORMER
RATING(1000/1) 132KV
(250/5) 33KV
CURRENT TRANSFORMER
POTENTIAL TRANSFORMER
RATING FOR 33 KV BAY
LIGHTINING ARRESTER
PROTECTIVE
DEVICE
CAPACITIVE VOLTAGE TRANSFORMER
CAPACITIVE VOLTAGE TRANSFORMER
SPECIFICATIONS
INSULATION LEVEL : 460KVPRIMARY VOLTAGE : 132/1.732KV
SECONDARY VOLTAGE : 33/1.732KVWEIGHT : 850 KG
Transformer used to step down extra high voltage and
supply low voltage
CIRCUIT BREAKER
• ELECTRICAL SWITCH • PROTECTION PURPOSE
SF6 C.B.
SPECIFICATIONS
RATED VOLTAGE : 145 KVRATED CURRENT : 2000 A
RATED SHORT CIRCUIT CURRENT TIME DURATION : 3 sec
RATED SF6 GAS PRESSURE : 7 barRATED AIR PRESSURRE : 20 barMAXIMUM WEIGHT : 1750 Kg
TYPES OF CIRCUIT BREAKER
• AIR BLAST CIRCUIT BREAKER• OIL CIRCUIT BREAKER• SF6 CIRCUIT BREAKER• VACCUM CIRCUIT BREAKER
• High dielectric strength
• Unique arc quenching ability
• Excellent thermal stability
• Good thermal conductivity
ADVANTAGES OF SF6
WORKING
ISOLATORS
• SWITCH• ISOLATE CIRCUIT
SPECIFICATIONS145 KV, 800A
RELAY
Relays are used where it is necessary to control a circuit by a separate low-power signal, or where several circuits must be controlled by one signal.
Trips circuit breaker when fault is detected
CIRCUIT
RELAY
RELAY
FOR INFORMATION TRANSFER THROUGH CONDUCTOR.FOR ELECTRIC POWER TRANSMISSION.
ADVANTAGES:-• No separate power are require for transmission purpose.• They have high mechanical strength.• Provide shortest distance through power stations.DISADVANTAGES:-• Proper care has to be taken to guard carrier equipment.• Noise introduced in power line is much more than the telephone lines.
PLCC(POWER LINE CARRIER COMMUNICATION)
WAVE TRAP
• TRAPS FREQUENCY OF
DESIRED LEVEL FOR COMMUNICATION
BUS BARSBUS CARRY HEAVY CURRENT
PANTHER CONDUCTORSZEBRA CONDUCTORS
FOR 132KV.
CAPACITOR BANKS
• Improve the quality of electrical systems.• Make the operations more efficient.
• Reduce line losses.
BATTERY ROOM
• 55 BATTERIES OF 2V.
• FOR EXTERNAL CIRCUITS.
CONTROL ROOM• Increase reliability and performance of electrical protection.• Remote switching and advanced supervisory control.• Intelligent load shedding system.
SINGLE LINE DIAGRAM OF
G.S.S. (Working)
CONCLUSION
The training at substation was very helpful. It has
increased my theoretical knowledge about power
transmission and distribution.
Maintenance and protection of various circuit
equipment's.
THANK YOU
“SAVE TODAY – USE TOMMOROW”