what is the difference b/w single and three phase circuits?

1 Answers  

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how actually an anti pumping device works? what is the operational principal?

2 Answers  

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What is the effect of solar radiation on the design of an Isolated Phase Busduct?

0 Answers   Exide, Punj Lloyd Ltd,

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what is a relay?

31 Answers  

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What are the two types of compensation?

0 Answers  

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On PVC conduit the class "A" "B" or "C" is marked what does it shows. Either its thickness or its composition?

2 Answers  

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trasformer ratting

2 Answers   Bhel,

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why transformer does not obey ohms low?

3 Answers   AITM,

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Can 33kva/415v transformer be run underground? If the answer is yes why and if the answer is no why?

0 Answers   4T Technologies,

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Sir We have a REF relay connected to 10MVA(Y-Y) Transformer.on External earth fault REF relay trips along with earth fault relay.The REF relay has no complant as we tested relay.Why is it happening?

3 Answers   KSEB,

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Comparing to AC transmission, corona & R in DC transmission is……. a) lower b) higher c) same

3 Answers  

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WHAT MEANT BY SEVICE FOCTOR?

2 Answers  

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