What is the permissible value of earth resistance and as per which standard / act / rule ?

3 Answers   HBL Power Systems,

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what will hapen if we give ac supply to dc motor?

2 Answers  

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My self munna.I had completed diploma from mechanical can I join facility and maintanance companys

1 Answers  

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i want to know how to determine that a surge arrester work properly in 11kv system. and how to test a 12kv surge arrester

0 Answers  

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some ac motor's direction get change dueto ghanging input to the ac drives.(say ryb to rby). but some motor direction remains the same when phase sequence is changed fromdive side. can anybody guide me?

1 Answers  

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i have a Connected Load of 280KW and Maximum Demand of 224KW to one of SMDB under design with me. which criteria should i consider to design panel and main cables connected Load or Maximum Demand 1)Breaker rating 2)Panel Busbar rating 2)Incommer cable sizing (ignore Voltage drop)

1 Answers  

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how much current a 100 sq mm busbar will carry?

1 Answers   ABB,

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what is the safety of ACB & VCB and how can this work and how can the service the ACB & VCB parts name with picture

21 Answers   ABB, ACB, Bharti, Claris Lifesciences, Honda, L&T, RotoPower, Sterling Wilson, Wipro,

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will a transformer work when pulsating dc id applied to its primary?? what will be the result??

2 Answers   cemp,

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what is the different between Switch & Circuit Breaker?

9 Answers  

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which part of transformer heats up the most and why? windings, core or oil .

3 Answers   Lafarge,

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What is basic difference between Soft Starters And VFD drives?

19 Answers   IBM,

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