Answer Posted / nikhan

The bus bar size normally for copper 1sqmm=1.3Am and
aluminium is 1sqmm=0.8Amp

What is the Basic Difference bitween Long Shunt Connection and Short Shunt Connection in DC Generator?

1795

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I want to know Electrical Circuit?

1699

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while starting a liquid starter ,is there any volage drop on water/soda on tank.can we touch the tank on starting?

1430

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What is the difference between UPS & inverter ? which UPS is better and whos got the edge ? what is the difference between & inverter ? which UPS is better and whos got the edge 12 V , 24 V , 36 V etc what are the advantages of 12 V, 24 V , 36 V etc and what are the disadvantages of 12 V, 24 V, 36 V etc thanks

1472

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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,

1567

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What conditions are required for transformer to operate at low frequencies ?

1512

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please anybody help me to find out the BHEL trainee Exam previous year questions papers . if u ve pls. send it to surekhared@gmail.com

1497

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Do closed loops systems require manual input?

632

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What happens to voltage when current is zero?

759

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How to know the Max. current caring capacity of the cable by its size ?

1162

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how to find impedance , mutual indatnce in transmission lines

1642

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Explain difference between stand by earth fault and residual earth fault protection?

1519

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How we select the vector group of 3phase power transformer?

1970

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Zone of protection and tripping scheme of arc protection relay.

1395

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What are protections for dty type transformers

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