if dc excitation is used to produce manetic flux in rotating machines then ehy it is not used in transformers.

4 Answers  

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We know flow of electron is current . But why electron flow from negative to positive and current from positive to negative?

4 Answers   Power Grid,

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wat is the role of reactive power in power generation?why we have maintain it.

3 Answers  

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What happened ,If 3 phase clearance not maintained in 33KV Line,11KV LIne etc?

0 Answers  

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in gen traf what is ONAN , ONAF , OFAF and DYN

3 Answers  

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IN CONTROL SYSTEMS Y WE NEED TO KNOW THE STABILITY OF THE SYSTEM?WHAT IS ITS PRACTICAL USE?

2 Answers  

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why DG rating in kva

6 Answers  

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HOW WE CAN REDUCE THE CIRCUIT COMPLEX OF STAR-DELTA STARTER .BECAUSE NOW WE USING ONE TIMER RELAY & THREE CONTACTOR FOR MAIN,STAR & DELTA ?IF ANY IDEAS PLZ POST.THANK U

0 Answers  

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Why relay connected R phase and B phase.?

1 Answers  

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what is the working principle of soft-starter & how it diff. from VFD ?????????

5 Answers   L&T,

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what are the advantages of Horizontal isolation breakers v/s vertical isolation breakers in medium voltage switchgear class.

1 Answers   NNN,

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If the generator will not synchronize, what will you do?

3 Answers  

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