Answer / adeel zafar

current flow in reverse direction

In directional earth fault protection for generator, one core balance CT is for residual current, what other CT is for, which is placed on neutral?

2 Answers  

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in battery charging room we find two fuses (one in positive other in negative cables ).why it is so?one fuse is ore than sufficient?

0 Answers  

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Stator of three phase induction motor creates Rotating Magnetic field.But why not Transformer?

21 Answers  

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What is Earthing?

16 Answers   Essar,

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what is AVR and tell principle and working?

10 Answers   ITC Infotech, MIOT Hospitals, YCC,

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Why DC exitation to AC Generator? Why not AC?

2 Answers   Equate,

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I am an electrical power engineer and arranged power system for a data center, I installed MCB, ELCB and erthing system TN-C-S. But some times several ELCBs Disconnect circuits at the same time! what may be the reason? (the ELCBs are 25A ,30mA)

9 Answers  

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solor panels arrange some angle,panel is flat fitted energy was produced or not why?

0 Answers  

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how c-curve of mcb's actually looks alike?

0 Answers  

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can we charge 3 ph power transformer delta-star wound with neutral grounded 6.6kV/415V from secondary side(415V) but with primary(6.6kV) open by dg,what are the disadvantages or losses.

1 Answers  

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If the neutral wire go pass through the core balance current transformer? If yes then why? and no then why?

2 Answers  

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we want to feed 3 phase supply to 70 ton AC load.what will be the size of (3 phase)cable require.

2 Answers   BSES,

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