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i am iti student i have project to do. that IS 100MW
220\33KV SUBSTATION I WANT TO KNOW HOW TO START, LIKE
CALCULATION, WHAT RATING OF CT,CVT, PT, ISOLATOR LIGHTING
ARRESTER WAVE TRAP CIRCUIT BREAKER IN 22OKV SIDE, ALSO TO
WARDS 33KV SIDE PLS HELP ME WITH THIS, THIS MY LIFE NOW, I
KNOW AUTOCAD, I LIKE TO KNOW HOW TO CALCULATE ALL THE THINGS
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Answer Posted / koti
1,ct ratig 350/1 & 2500/1 A (220 kv SIDE/ 33 KV Side)
2,cvt cvt FOR 66 + 160 kv
3,pt ratio 220/1.73 /33/173 kv
4,isolator 245 kv / 630A
5,lighting arrester 198 kv / 26 kv
6,wave trap depends on HZ
7,cB 220 kv / 1250 a AND 33 KV AT 5000 A
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