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how to calculate the ac and dc wire losses with calculations plz tell me

3 Answers   Apollo,

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What is HVAC, PLS SEND DETAIL OF hvac.

6 Answers  

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It is a three inch fan and i want it to rotate to other direction .I've tried cutting the wire and reconnecting them inverse like black to white and white to black ,but it won't start rotating when i plug it in that way.And then it works again when i rejoin the wire to the way it is. I don't know what causing the problem.Is there anyone familiar with these small mortor?Any suggestion would be appreciated.Thanks!! http://i296.photobucket.com/albums/mm163/sasukebloodwheel/110527-105859.jpg

2 Answers  

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we have consol make 3 phase servo stabilizer for cnc m/c. while installing the earth neutral voltage is 1.7 volts at stbilizer off condition and when stabilizer get on en voltage reaches 4.8 volts (new earthing is done and neutral is helthy condition all phase to neutral volts 440,442,441 v)why this happen.solution for cause.

3 Answers  

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we have 3 phase 4 wire supply 230/415 V.AC and our distribution is single phase or we have all single phase 220 v,ac operated appliances. and noted the current with help of clamp meter Red to N = 20 Amps. Yellow to N = 45Amps and Blue to N = 30 Amps ( total is 95 Amps ) what will be neutral current on the main .

1 Answers   ABC,

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Explain the operation of damper winding

2 Answers  

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WHAT WILL BE THE SPEED OF MOTOR IF NO.OF POLES ON STATOR ARE NOT EQUAL TO NO. OF POLES ON ROTOR.???

4 Answers  

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ITI r/tv trade APPLY (J.T.O VACANCEY) ALSO INCLUD AITT ELECTRONIC,WRITEEN XAM DONE 23.03.10 BUT NO RESPONCE WHY ANATHER ID gopal_gh007@rediffmail.com

0 Answers   KBC, wbsedcl,

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What may be happen if neutral and earth is shorted in a substation

3 Answers   Bureau Veritas,

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why we not used 11kva as a direct our electrnics component.

0 Answers  

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Why electricity in India is in the multiples of 11 like 11kv, 22kv, 33kv

2 Answers   KPIT,

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i seen a 132kv/11kv transformer,and thier is a sugar factorys 10MW EXPORT PLANT,MY QUESTION IS THAT WHEN THEY EXPORT ELECTRICITY THEY USE THE SAME TRANSFORMER AND THE CONNECT IT TO 132/11KV TRANSFORMERS SECONDARY SIDE CAN ANY ONE EXPLAIN IT.. THE TRANSFORMER IS OF KIRLOSKAR MAKE AND IT HAS TAP CHANGER.

1 Answers  

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