Is there any calculation to find unknwon(unferroled) phases R Y B in alternator,3 phase motor anybody shoot my problem. how can we notice this is the respective phase?

2 Answers  

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how we have to calculate the short circuit current for 33/11kv 2mva, 7.5% Z, Transformer primary side breaker and secondary side breaker short circuit current for both sides?.

5 Answers  

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Can anybody please refer the best and simple book for about Protection relays and in detail of all its protection ?

0 Answers  

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what is the function of commutator in dc motor?

3 Answers  

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

0 Answers  

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at high temperature conductivity increases for conductor what will happen for long transmission when temperature is high?

1 Answers  

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how air lock will be removed from generators, how it happens?

1 Answers   ABC Engineering,

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Why we should use delta connection in primary and star connection in an distribution transformer, which converts 400v a.c. voltage to 33kv.

15 Answers   ABC, Kirloskar, Sify,

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how to identify conection leads of an unknown electric motor

0 Answers  

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Why in DC drive u r using in Klin operation in Cement Plant?

7 Answers  

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What's difference between a400amps lt contactor and a400amps lt circuit breaker

3 Answers   Indian Railways,

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We have isolation transformer 25kvA & ONLINE UPS 15KvA (3PHASE I/P,3PHASE O/P)where isolation should have connect,before UPS or after please brief.

1 Answers   DRJ ARDE,

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