Answer / anil

the ratio between the KVA and kw is known as power factor
KVA is a kilovolt ampher and kw is kilowatt these two are the units used to express the power KWA is an apparant power and KW is an actual power .

Answer / dharmar.c

We r using KVA in transformers for metering purpose..for calculating copper loss we need Ammeter(A),and we need voltmeter(V) for calculating iron and core losses

what is the chemical reaction of solt and charcoal in earthing?

1 Answers   Shyam Group,

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Advantage of 11KV ring main system with open point

1 Answers   Alam Group of Companies,

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if we increase the frequency given to a transformer then wat will happen to the transformer size, whether it will increase?

4 Answers  

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how to estimate the breaker capacity of breaker,please give the one example( 6.6 kv breaker,800a)?????

2 Answers   Divis Laboratories,

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Explain What will happen when direction of field current is changed (i.e, field excitation is reversed) in the following machines? 1) Alternator 2) Synchronous Motor 3) D.C Generator ( Shunt or Seies ) 4) D.C Motor ( Shunt or Seies )

3 Answers   NTPC, Transco,

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Can 60 Hz transformer be used inplace of 50 hz transfromer?

1 Answers  

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why phase plates are used in transmission line????

1 Answers  

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why generator and t/f ratings given in kva?

2 Answers  

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what is the working principle of three point starter of dc motor?

1 Answers   Ashok Leyland, Cap Gemini, Infosys, Just Dial,

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What is emperical relation.Name few of them which are used in electriacl engineering?

1 Answers  

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why ahould you show client/engineer activities clearly on the project plan

0 Answers  

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what is sevice settings for mccb?How can be it setted?

0 Answers  

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