Why dc supply is used for closing and tripping coil of ht breakers. What happen if we use only ups ac supply only.

12 Answers   ACC, JLL, ZETDC,

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110 KW MOTER DOL STATER 240SQ.MM CABLE MOTER AND STARTER DISTANCE IS 110 METER WHAT IS VOTAGE IN MOTER END AND SYSTEM VOTAGE IS 415 V HOW I CAN CALCULTE

2 Answers  

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Can I use less voltage cable for neutral, since the voltage of return path is zero ideally?

3 Answers   Vijai Electricals,

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while doing the excitation current test on power transformer what is the value of voltage to be applied? Nomonal rated voltage or 10% of rated voltage? Is it necessary to apply on high voltage side?

1 Answers   ACC,

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i applied for c licence with my one year apperents trainee and i have attaced with A grade contractor company experiance that is for 14 monts experiance this document is sufeicant for c licence? pls tell why they rejected

0 Answers   TNEB Tamil Nadu Electricity Board,

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Why 11KV/440V distribution supply use for Domestic use?

3 Answers   Essar, Getco, Nissan,

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Please send specifications for 1000KVA dry type transformer or where I can get the specifications?

2 Answers   PSU,

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What is Hot reserves and spinning reserves?

1 Answers  

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What is the criteria that generally follow by distribution licenses to fix contact demand of their industrial customers?

0 Answers  

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what is H.T?specify the range?

6 Answers  

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i m electrical diploma holder i want to do plc $ Scada some body tell me which insitute is best for me near chandigarh

0 Answers  

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what is inrush current in transformer?

17 Answers   Bhel, Essar, GMR,

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