What is mean by power factor?

18 Answers   Shreem Electric Ltd,

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I have a 600VA numeriv digital UPS for computer only. It holds for 15 minutes only. but i am try to using home CFL Light I cant using UPS 2 or 3 secound automatic off .but computer ok how to change this is in to ups ?

1 Answers  

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In Energy meter How many rotation Equal to one unit.

3 Answers  

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How to calculated capacitor rating both HT

10 Answers   Reliance,

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Why are the voltage levels in a powersystem are 11KV,33KV etc., why not 10KV,30KV?

2 Answers  

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at which places we use 6.6KV Transformers and Motors

4 Answers  

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what will happen when excitation of a synchronous machine is suddenly reduce to zero when it is running at full load..??

7 Answers  

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Why voltmeter is not connected in seris & ammeter connected in parallel ?

5 Answers  

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What will happen if i connect the delta winding motor to star input.

1 Answers  

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AVR

2 Answers  

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Name different types of fault and which instrument is used to measures earth,short,open cicuit fault?

6 Answers   NTPC, Vijai Electricals,

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why dc motor is called constant flux motor?

1 Answers  

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