Can we use BS 6651 and BS EN 62305 standards for computer
room lightning ptotection in substation?
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What will be the minimum megger value of 1700 KVA Transformer? a) Do megger value varies according to climate conditions and area . b) If megger value is 100 mega ohm is it good for new transfomer. Explain?
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what is mean by dual digital protection in the relay field?
sir what is the purpose of SF6 in HT breaker and what is the pressure should be maintain in the breaker?
which motor is used in our Indian Ceiling fan -Capacitor start and run or Capacitor start? (during repair i saw only one capacitor so it should be start only)
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how withstand of hi-pot test outputs of transformer wire 2.5mm
what current is taken from a double wound 500kva transformer
how to calculate differential current when we testing differential relay..suppose we have 1000kw generator,630amp VCB,what value we should put /inject so that relay trip the VCB? PLLZ justify ur comment