Answer / ramarpandi

cu loss depending upon voltage&cureentso transformer rating
in kva

Answer / venkatesh

transformer transmits ac power which have both active and
reactive components that's why the ratings are in kva
instead of kw

Answer / a.kossay

because transformers supply both real (active) and reactive
power so we have to specify it through a component summing
this two kind of power wich is the total power kva and also
because the power factor may vary through operation we cant
specify an active power for every power factor

Answer / dinkar dubey

transformers ratings are in kva as power has to transformed
from primary to secondary and power in electrical system is
product of volt*ampere .so tronsformers have va or kva or
mva ratings

what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate

3 Answers  

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What is bushing?

4 Answers  

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How neutral voltage for transformer decided? eg 33kv neutral voltage for 200MVA transformer?

1 Answers   MEIL,

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In electrical locomotive engines, the DC series motors is being used as traction motor. But in new engines like in WAP7 & WAG9 the 3-phase squiral cage induction motors has replaced them. So can someone tell me the advantages of induction motor over dc seris motor in engines points of view....???

0 Answers   RRB,

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how to calculate ups and battery rating

2 Answers  

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WHAT HAPPENED HT MOTOR FEED WITH LT SUPPLY

1 Answers  

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what is the path of electron when a static electron is placed in a magnetic field?

1 Answers  

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How to conduct the Magnetic Balance test on Power Transformer?

0 Answers  

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at work i have a genertor/alternater what is the easyest way to work out if it is dc or ac?

0 Answers  

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What is the function of Buchholz relay in transformer ?

1 Answers  

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what is ohms law?

7 Answers  

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explanation of mesh bus bars

0 Answers   Eskom,

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