what is kvarh? Please define it With calculation General motors ?

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Hi all I had applied for the RRB test in the ELECRICAL category. I would be pleased if any of you can sent me previous year question papers. Please forward the question papers to varshashahi@yahoo.com Thanks and regards Varsha

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How to Decide(calculate) Bush bar size for copper and aluminiam ?

0 Answers   Essar,

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How to calculate VCB current rating for 2000 KVA transformer

1 Answers   Yamuna Power and Infrastructure Ltd,

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What is the formula formula for Busbar sizing and what are the things to be consider for Busbar Calculation?

0 Answers   ABB, APL,

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Why the arms of delta in a delta-wye power transmission system are kept constant??

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How many types are using in 220kv/400 kv swith yard

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why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

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how to calculate the phase diffrence beetween given two equetion  y= 15sin(wt+pi/3) and y=10sin(wt-pi/4)

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How to decide the size of the capacitor for a single phase induction motor say 2 HP ??

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can we synchronize star system generators with delta system transmission line ? and how ?

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what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system

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