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WELCOME
FRIENDS
KANAHIYA LAL
B-TECH (ELECTRICAL)
5th SEM
INTRODUCTION ABOUT SUBSTATION
An electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed high to low or the reverse using transformers. Electric power may flow through several substations between generation plant and consumer, and may be changed in voltage in several steps.
CLASSIFICATION OF SUB-STATIONGENERATING SUB-STATION
GRID SUB-STATION i.e 400KV,220KV,132KV & 66KV
DISTRIBUTION SUB-STATION i.e 33KV & 11KV(POLE MOUNTED)
PARTS OF SUB-STATIONSWITCH YARD
CONTROL ROOM
BATTERY ROOM
SWITCH YARD
PARTS OF SWITCH YARD1. INCOMMING LINE
2. TOWER
3. LIGHTENING ARRESTER (L.A)
4. WAVE TRAP
5. C V T (CAPACITIVE VOLTAGE TRANSFORMER)
6. PLCC(POWER LINE CARRIER COMMUNICATION)
7. C T
8. P T
9. ISOLATER
10.CIRCUIT BRAKER
11. BUS-BAR
12.POWER TRANSFORMER
13.RELAYS
14.CAPACITOR BANK
INCOMMING LINE & TOWER
LIGHTENING ARRESTER(L.A)
LIGHTENING ARRESTER
WAVE TRAP
WAVE TRAP
CAPACITIVE VOLTAGE TRANSFORMER
C.T & P.T
ISOLATERS
CIRCUIT BRAKERS
BUS-BAR
POWER TRANSFORMER
CAPACITOR BANK (33 KV)
CONTROL ROOM
CONTROL PANNEL 132/33 KV TRANSFORMER
CONTROL PANNEL FOR 11KV FEEDER
BATTERY ROOM
BATTERY
BATTERY CHARGER & DISTRIBUTION BOARD