why a pilot exciter is used in combination with the main exciter? why not only a main exciter is used for excitation to an alternator?

1 Answers   Electrical,

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what is used root two in single phase line?

1 Answers   DVC,

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what happen when dc shunt motor field is sudden open in running condition

34 Answers   APGenco, Bhel, IIT, JMRC, TCS,

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how does calculate loss correction factor in transformer

1 Answers  

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why co incidence factor considered in transformer sizing?

0 Answers  

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In Induction machines which type of emf is induced ( statically or dynamically)?

1 Answers  

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Draw the wave shape of armature current in a generator subjected to a sudden three phase short- circuit at its terminals. Define various reactance of generator from this wave shape.

0 Answers   VECL,

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why different series of vfds (like allenbradley)are used in industry ?

0 Answers  

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technical questions asked by visa steel interview plg get me!

1 Answers   LG, Visa Steel,

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why we use to transmit the power in three phases intead of single phase ?

4 Answers  

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what is the pressure in side transformer under normal condition?

1 Answers  

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why select the 3 phase power supply system in electrical system.

3 Answers   RSE, Yamaha,

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