What are the probable causes for failure of heating elements

4 Answers   BARC,

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for a 400kv t/m line with 10 ampere current will corona occur?

0 Answers   NPCIL,

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what will happen to give a dc supply in ac motor?

2 Answers   ABC, Indian Navy,

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which gas is cost wise high?

1 Answers  

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whats the diff b/w mpcb and mcb?weather it trips on single phasing or not.

9 Answers   Electra Power, Essar,

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What is thef ormula to calculate the rating of a capacitor for a single phase motor

2 Answers  

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which fault is severe and why?between lll fault and lllg fault which fault is severe and y?

0 Answers   GE,

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what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.

0 Answers   ME,

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How can we calculate the capacitance of generator?

1 Answers  

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When i went to a interview the interviewer ask me a question for that i cant able to answer him if anyone knows answer me How will you design a capacitor bank for a plant? if my p.f is 0.6 i have to improve it to 0.9 or 1 what kind of steps i have to do? and is there any formula for calculating this?

6 Answers   APNPDCL,

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why we r using alternator instead of d.c generator and induction generator

1 Answers  

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what will happen if secondary of potential transformer (220kv/110volt) of any metering core or protection core (cables) of any phase got earthed??

1 Answers  

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