What is the effect on in Zone and out zone fault if Phase side CT is Vk/2<30 mA and Neutral side is CT is Vk/4<30 mA for Transformer REF protection

3814

neutral earth resistance testing is it possible for transformer while in load condition

1945

how to calculate the magnetizing current of ct ( 800A/1A) for Relay 64

1454

In convertor can we use rectifier thyristor in place of invertor thyristor with explain.

1819

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

1951

technically, what is the reason behind starting the motor star the delta connection .. and what other ways to do this rather than using " star-delta transformer"

1988

Name two low frequency oscillators?

1417

If a shunt Dynamo has induced emf 100V and 0.4 ohm resistance and battery of accumulator of open circuit emf 110V and 0.5 Ohm resistance are in parallel what is common terminal potential difference?

5244

HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

2058

how to select diiferent power transformers of same capacity on no load loss and full load loss by economical point of view.?

1971

XYZ

2143

WHY NUTRAL GROUND SYSTEM USED IN 33KV SYSTEM

2212

what is the best transformer oil breakdown voltage?

1127

how to select the no. of brushes in a lap winding?

2192

please send me the previous year's question papers of jindal GET exams

5905