Answer Posted / papuraj

Its purely depends upon your maximum demand nothing else.For an example if you have the connected load is 700kva and maximum demand is only 350kva, hence we could select 500kva transformer to be with 20% future additional load.

we have amp, voltage, kw, length detail then how to calculte copper & alluminium size of conductor of 3-phase induction motor

1518

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advantages and disadvantages of inverse definite minimum time RELAY

1614

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tell me about eletrical contractor

2002

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Work done in a free expansion process is

1199

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234 MVA Generator 3 phase Short circuit current Values required? Gen set Rating-234 MVA, Gen Voltage-18kv, PF;0.8, Xdv:23.5 %, Transformer Rating-18/380KV, 680MVA,Yndd1 two winding, Step up TR, ZT:35.50 %,X/R 4.33 Gen CB Position, CB open ,Disconnected open, Generator Running Voltage 18 Kv, Bi mistakes generator side earth switch Closed during that time short circuit current level in 3 Phase required, and how to test on site 234MVA Generator Short circuit current,

2093

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How will A Medium voltage circuit breaker(11 kV voltage level) operate under short circuit fault condition whether It is having short circuit release like Low voltage circuit breaker or relay should be given?

1995

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what curve and rateing would you use for a three phase 0.75kw motor?

2047

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Why electrical power generation and transmission done in 3 phase system not more than 3 phase ?

3135

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What are the application of filter?

1119

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what is apparent poewr, reactive power, & active power?

2423

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I had applied for JE in PSEB, Can you pls send me the Question bank for related to my field

1915

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how to size H.T & L.T Panel ?

2190

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WHAT IS SPEC OF CLEANROOM MOTOR AND LIGHT FITTINGS?

2359

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All the socket in a room become very hot, the Wall was also became very hot and the earth conductor also became live, what in your view might be the possible causes?

1705

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What mean by MLTP

4009

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