Pls tell me what is the exact current conducting capacity of copper and aluminium cables?how much capacity of cables need to 90kw induction motor&how?

1 Answers  

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pls give me brif explaination about the distance relay.

4 Answers  

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What is Harmonics & what are its efect & which harmonic is dangerous

5 Answers   IBM,

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Can you use step up generator transformer of voltage ratio 16.5kv/420kv in place of step up generator transformer 15.75kv / 420 kv

1 Answers  

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what is differnt between metering CTs an protection CTs

10 Answers  

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HELLO EVERYONE, I RECENTLY HAVE FOUND ONE PROBLEM, I WAS TAKING NO LOAD TRIAL OF AN HT MOTOR 920 MOTOR , 1440 RPM , 6.6 KV, WITH AUTO TRANSFORMER. AT 450 V, LOAD WAS 40 AMP AND SPEED WAS 250 RPM. BUT AS WE INCREASE VOLTAGE FROM 450 TO 480V, LOAD BECOME 41 AND SPEED REDUCED TO SOME RPM . SO WHICH PHENOMENON ACTED HERE FOR REDUCING SPEED.?? AND IS IT HAPPENING ALWAYS OR IT IS RARE? I ALSO HAVE FACED SUCH PROBLEM WITH FEW LT MOTOR ALSO.

0 Answers  

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why rating of alternator in kva & induction motor in kw

9 Answers   Siemens,

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what is multiplying factor of a energy meter connected with a CT ratio of 600/5 and voltage at 415 volts.

1 Answers  

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what is the major difference between LIBBP & HIBBP.. which one is most preferable..

0 Answers   ABB,

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why do the core of transformer saturates???

1 Answers  

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i am completed my degree(B.E EEE) 2014 anychance to get electrical licence plz help me

0 Answers   JLL,

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why holding contact is not using in VCB and ACB breakers?

1 Answers   Cethar,

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