what is the working principle of UPS?

2 Answers  

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What are the typical values of characteristic impedences of overhead line and underground cabel? Why there is so much variation?

1 Answers  

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why rating of transformer is in KVA but of motor is in KW

4 Answers  

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what is the breakdown voltage value in BDV test in transformers?

6 Answers   Siva, TATA,

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IS THE ANY DIFFERENCE B/W GENERATORS & ALTERNATORS

6 Answers  

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how to calculate the no load current in transformer?

0 Answers  

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What is the function of induction motor when low voltage is apply.

6 Answers  

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excitation limit of an excitor

0 Answers  

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What happen if 1200KW/1500KVA alternator runs at no load and high R.P.M.for one minute?

6 Answers  

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what is slip what is the use of slip?

1 Answers  

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If a capacitor bank is having rating 750kvar for 6.6kv. Then for 3.3kv how much will be the rating of capacitor bank.

1 Answers   OCL,

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what is the form factor of DC?

6 Answers  

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