Submitted By:-
NAVEEN KUMAR

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INTRODUCTION
GRID-SUBSTATION = GRID + SUBSTATION WHERE GRID MEANS NETWORK & SUB-STAION MEANS ASSEMBLY OF ELCTRIC APPARATUS USED TO CHANGE SOME CHARACTERISTICS (e.g. voltage, p.f. & freqency) OF ELECTRICAL SUPPLY
PART OF THE SUB-STATION
THERE ARE TWO PART OF THE SUB-STATION
♣ YARD
♣ CONTROL ROOM
SINGLE LINE DIGRAMS
THERE ARE TWO SINGLE LINE DIGRAM OF 220 KV GSS ALWAR.
♣ 220/132 KV G.S.S.
♣ 132/33 KV G.S.S.
EQUIPMENTS IN YARD
♣ CAPACITOR VOLTAGE TRANSFORMER
♣ POWER TRANSFORMER
♣ LIGHTNING ARRESTER
♣ ISOLATOR
♣ CIRCUIT BREAKER
♣ CURRENT TRANSFORMER
♣ POTENTIAL TRANSFORMER
♣ CAPACITOR BANK
♣ INSULATOR
POWER TRANSFORMER
A POWER TRANSFORMER IS USED IN SUB-STATION TO STEP-UP OR STEP-DOWN THE SUPPLY VOLTAGE

kya ap bata sakte he repoat me kon kon se topic ate he

you can refer these page details of "220 KV GSS ALWAR"link bellow

http://studentbank.in/report-220-kv-gss-...8#pid51818