what is the differenc between A.C. and D.C, which is more dangerious?

4 Answers  

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why neutral busbar size is half of the phase busbar size in control panels

1 Answers   IBS,

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Whay you want to change your job.

1 Answers  

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Can motor act as generator (OR) vice versa? explain how does it do please post the answer technically

11 Answers   GM General Motors,

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What is IPXX?

2 Answers  

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how do you measure earth leakages in 3phase wires?

2 Answers  

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what is the difference between high impedance REF & REF, same high impedance differential protection & differential protection for Power transformer?

1 Answers  

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IF we want to replace I/C bay at our 220 kv substation which is of 140 mw load capacity bay to be replaced by 400 mw capacity bay.other than CT(1200/1) what are the other equipment i have to replace.

1 Answers   Jindal,

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ANY ONE TELL ME ABOUT generator synchronization panel panel to synchronise 3 gen of 250kva both automatic and manual. 2 gen output vol 415 3ph, 1 gen output vol 400 3ph SEND THE DETAILS DIAGRAM ON THIS EMAIL ADDRESS ayazleo@hotmail.com as soon as possilble best ragrds electrical engineer ayaz mahmood SAUDI TECH

0 Answers  

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Difference between ac parallel circuit and ac series circuit?

0 Answers  

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how to calculate restraing current and operating current for differential protection if 20 mva transformer is OLTC 33 kv/11 kv ? and what should be the type and ratio of CT?

2 Answers   L&T, OPS,

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why the starting current of a motor is high?

3 Answers   ITC Infotech,

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