Answer / s b mutha

Voltage Ratio : 11000/440= 25, 33000/440= 75
So, current in primary will in 11KV= 4 Amps and in 33KV= 1.333 Amps

Answer / saraz06a0222

If KVA is known then these are the formulas

Current in LT side
=KVA *1000/1.732*LT VOLTAGE*COSQ


Current in HT side
= KVA *1000/1.732*HT VOLTAGE*COSQ

dear all i am kumara now current working in electrical designing of control and relay panel i want learn some substaion design then any book are available. pls mention name and authour

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