previous year paper of ntpc bhel for degree in electrical enng

0 Answers  

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What is infinite Busbar?

4 Answers   Equate,

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define frequency ?

14 Answers   KPTCL,

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for 24000kv transformer what is the value earthing resistence?

1 Answers  

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At site, we have 30Kw motor (3 phase, 400V,50Hz) and FLC 54A as per the nameplate. At the time of starting it draws 840A instead of 390A (7.2%). As per the data sheet also its 390A starting current. it thru a dol starter from the MCC. can anyone tell what is the problem in the motor

5 Answers   ME,

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in a transmission line the aluminium cor is sarrounded and in between there is a another type of matrial what is that?

7 Answers  

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difference between a four point starter and three point starter

9 Answers  

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Is it possible to connect a dYN1 transformer in parallel with a YNd11 transformer.

4 Answers  

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IN bateery size of positive is biger than negative .why?

8 Answers   Power Grid,

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I have motor 1500 HP and , 4160 V , 60 HZ , then i need the rating of transformer which can feed that motor ??

0 Answers   Elmaco,

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what is the difference between STAR and DELTA connection and application wise how it can be utilizedd ???

1 Answers  

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How to connect a Restricted earth fault relay for 2000KVA,11/0.433 KV Distribution Transformer and What is the neutral CT ratio should be selelcted for 2000 MVA Transformer for estabilishing the Restricted earth fault relay

1 Answers  

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