what happens when d cexcitation given to alternator is removed while it is running or what happens when dc excitation is failed in alternator while running?

10 Answers  

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how much earth resistance consider to commissioning the transformer?

3 Answers   Deccan Cements,

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how to remover corona effect and hysteresis losses from contactor

0 Answers  

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what is the multi strand cable size? 0.45mm is area of one strand & 370nos of strand.

1 Answers  

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what is the purpose of NGR?

25 Answers   Assam Electricals,

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We are designer please help me calculate the size of 11kv cables from step up transformer to M.V panel, total load is 5 mega watt distance 900 feet (used aluminum type cables) please provided formula for calculate the cable with example.

0 Answers   SK Engineering,

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kindly arrange to send me RRB Bangalore previous question paper for JE/Electrical and JE/Signal I am going to write exam on 2010

2 Answers  

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why power generate in 33 kv it will be step down by 11 kv .

5 Answers  

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how we can save electrical energy in industries,please give some inputs

3 Answers  

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Dear Sir I am living in Jaipur Rajasthan  now I did complete my b tech degree in electrical engineering in 2012  Sir how I gate certificate of competency for electrical supervisor

0 Answers   ONGC,

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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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What the reson for frequant instantaneous ground over current fault in our sync. Generator... 15 triping in 24 hr...

1 Answers   HCPL, Jhunjhunwala Vanaspati Jhoola, Regen Powertech,

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