what is tha online tapping and offline tappchange? which side connected primary or secondary and explain ?

4 Answers   Essar,

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plz tell me about BACK emf and how it generates?

2 Answers  

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HI FRIENDS,MYSELF & MY GROUP OF FINAL YEAR ELECT ENGG. ARE MAKING A 50/3HZ,5HP,1000RPM,440V SALIENT POLE SYNCHRONOUS GENERATOR.COULD ANYONE OF U TELL ME WHAT COULD BE THE ADV. & DISADVANTAGES OF MAKING SUCH A LOW FREQN.GENERATOR/

2 Answers  

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what is mean by drives?

0 Answers  

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What will happen if DC supply is given on the primary of a transformer?

6 Answers  

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what is the function of RMU?

4 Answers  

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main difference between ac and dc?

0 Answers   Classic Network,

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Why squirrel cage motor can only use with low starting loads ?

0 Answers   BEC,

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What is the power factor you maintain at ur organization?

43 Answers   Cummins, Exide, Johnson and Johnson, KTC, Microsoft, Powergear, Secure Meters, Suncity Strips, Wheels India,

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directional relay is typically used to respond in fault condition who it can be used just as reverse power protection which purely senes direction reversal to operate a circuit breaker?

1 Answers  

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Why we check only first column of root locus..?

1 Answers   IES,

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electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

0 Answers  

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