WHY RATING OF VCB NOT LESS THAN 630A

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What is the difference between 11kv/110v & 33kv/110v ? If both 11 & 33KV give 110v then what is the diiference ?

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What is dc current source?

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WHAT KIND OF LIGHTENING PROTECTION SCHEMS CAN BE ADOPTED FOR THE FLAT ROOF OF BIG DIMENSION.

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What does VVVF stands for in VVVF drive ? How does it differ from VVF drive?

8 Answers   HAL,

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some ac motor's direction get change dueto ghanging input to the ac drives.(say ryb to rby). but some motor direction remains the same when phase sequence is changed fromdive side. can anybody guide me?

1 Answers  

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can anybody send me syllabus of rrb section engg (electrical). and also send previous question pepar...

0 Answers   GKB,

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Why power factor should not be in leading (capacitive) mode of any load.

3 Answers   GE,

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how to make a solar panel? why solar panel cell connected to serious?

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cany anyone suggest electrical wesites for providing study materials?

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Differentiate AC and Dc resistance

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CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

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