Answer / guest

compared to distrubution transformer the efficiency of
power transformer is much greater practically the
efficiency of power transformer is about 95 to 98 percent
although the efficeiency of dt is about 75 percent.

cable tray sizing & selection

1 Answers  

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How to do cable earhing? whether by grounding Armour to ground or by running extra G.I wire along with cable? which one is preferred mostly amoung them? If the second one is more preferable how many GI wires to be run along with cable (1 or 2)?

0 Answers   HAL,

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What are the possible causes of REF operation on a power transformer

4 Answers  

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hi friends ,iam working as genset AVR service engineer in electrical field from past 2 yrs throughout india . i plan to shift in some other job without travelling in same field because i con't travel,i dont know what i do for that so please guide me what job is suited for me,how i can serch the job please anybody helpme iam totally confused

0 Answers  

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Re: can you give main difference between ELCB 2pole And RCCB 2pole? And how this devices operated?

4 Answers  

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What are the effects of adding a zero to a system?

0 Answers  

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If our power factor is lagging then who is in profit? I mean consumer or Supplier!

1 Answers   Sail,

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how can u say about the line by looking at the tower ? {voltage rating of the line}

3 Answers   BARC, London,

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what is the effect of connecting three phase supply lines to three phase auto transformer output terminals through a fuse of 10Amp and a circuit breaker (MCB). Is this connection permanently destroy the transformer?

0 Answers  

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how to get bearing & winding temperature of an induction motor?

0 Answers  

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why transformer rating is given in kva?

2 Answers  

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Why are the voltage levels in a powersystem are 11KV,33KV etc., why not 10KV,30KV?

2 Answers  

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