how do we fix the rating of mcb required for a specific capacity of the electric motor

2 Answers  

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In Swinburne's Test on D.C.machines, why the efficiency is more when the machine runs as generator than when it runs as motor???

6 Answers   College School Exams Tests, GE, MVR, Practical Viva Questions,

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what are the types of 3-ph. generator protection

2 Answers  

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Less cost of delta connection over star connection a. No fourth neautral wire

1 Answers  

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How earthing of switchgear system to be done.

0 Answers   KSEB, L&T, Siemens,

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in delta connection, why motor rotate in high speed compared to star connection?

2 Answers  

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what is different between synchronous & asynchronous motors

3 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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What is the Power Plant.

5 Answers   Sail,

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Why VCB and SF6 breakers to be used in HT used by cant ACB of higher rating to be used for 11kv and 33kv.

8 Answers   TCS,

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A 200W,230V lamp is connected across 115V supply.The lamp will draw power?

6 Answers   SJVN, TCS,

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If carbon brushes spring tension either loose or tight, what happen on Motor performance During Full load Operation?

5 Answers   Electrex, HP, TATA,

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