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

explain which quantities change in the starting and the and the running condition in induction motor

0 Answers   Gulf Spic,

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WHAT IS START TO >5HP INDUCTION MOTER IN STAR DELTA METHOD?

2 Answers  

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how to calculate the size of cable tray

3 Answers  

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Is necessary Protection CT, CLASS - 5P10 fitted at Incomer side of main Breaker ? Why ?

1 Answers  

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In power generator sets, when they are coverted from 50hz to 60hz, the kva rating after conversion increases. For example, the manufacturer of a perkins 200kva @ 50Hz generator set has mentioned it to become 220kva after converstion to 60hz. What is the relation between the frequency & the KVA rating. Any formula please.

3 Answers  

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what is the function of choke and starter in a tube light??

2 Answers  

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In alternator generally we give DC voltage to field of alternator but field (excitor)produce Ac & converts into DC by rotating rectifier(RR ) then fed to rotor .my question is why we cannot give dc voltage directly to rotor instead of Excitor & RR ?

1 Answers  

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Write down the name of 2 lady Bir Pratin of Bangladesh

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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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how we can check new PT ? without name plate.

1 Answers   Indo Power Projects,

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How line capacitance & line inductance varies with increase in height tower.

0 Answers  

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Why we are testing cables with dc?

1 Answers  

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