what is meant by earth fault and how it happens....

3 Answers  

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explain how to protect high rise building from the risk of lighting.

1 Answers  

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WILL SCHNEIDER MAKE ACB(MASTERPACT)TRIP ON REVERSE POWER?

0 Answers   Schneider,

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I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.

2 Answers  

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Please provided formula for calculate the cable size from step up transformer to M.V panel, run overhead aluminum cables, total load is 5mega watt, total length 900 feet.

0 Answers   SK Engineering,

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working principles of cf lamp,incandescentlamp and f lamp?

0 Answers  

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To avoid arcing what we connect in earthing.

4 Answers   HAL,

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What is static frequency control used in gas turbines

1 Answers  

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what is extra low voltage system

3 Answers  

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what is the grounding Calculation formula? spouse i want to provide grounding to 3phase 18kw motor or i want to provide ground to 3phase 10kva dry type transformere or you give me any exemple...... Thanks.

0 Answers  

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does a DG set has low fault level as compared to that of a transformer.If yes then why.

0 Answers  

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what is mean by amf

4 Answers   Siemens,

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