Answer / m tashfeen abbasi

UPS calculate in watt and battery calculate in AH(ampere hour)

Answer / aamirali

we can use this formula: Max Amp= (KVA rating)/ (kv*1.73)
for three phase supply.

For some transformers we are using solid neutral earthing while some others we are using resistance earthing why ?

0 Answers  

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Relation between magnetic field strenght and magnetic induction is a) Voltage b) current c) Speed d) tarque

1 Answers   Ecil,

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Frequency in the control system represents? Continuous system in time domain ? In frequency domain?

1 Answers   CCP,

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what is the mechanical safety of DG ?

0 Answers  

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why pure sine wave inverter used for desktop ?

1 Answers  

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what exactly commisioning work does in electrical site work... LT side?..

0 Answers  

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What is the importance of quality factor in resonance?

3 Answers  

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What are the relays in ACB and VCB

0 Answers   ABB, Bhel,

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I have raw material for making Compact-Choke for flourscent lamp of 40 Watts. We are suppose to get 0.4 amps output at end. but we are getting 0.42 or 0.44 amps and above. We have done many testings in different but nothing worked out. Please suggest me how to get the correct output. We are using 1. core winding of 700 windings of aluminium 2. E-shape iron fillings and I-shape iron fillings to surround the winding.

6 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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what happens to a turbo alternator if it get trip and 1 out of 3 poles of circuit breaker in close condition

1 Answers   wbsedcl,

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What is main difference between earthing and neutral grounding?

3 Answers   Jindal,

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