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