How much area a lightning arrestor can cover?

5 Answers  

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What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

0 Answers  

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transformer cooling fan kharab ho jaye to 1-off kar dena chahiye 2-load kum kar dena chahiye 3-koi frrk nhi padta 4-sub galat hai. choose right option

2 Answers   PGVCL Paschim Gujarat Vij Company Limited,

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How to make vector group test of transformer?

2 Answers  

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what is the basic difference between capacitor and condenser ?

17 Answers   ABB, Essar,

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What is PIR (pre inserting resistance) in 400kv EHV SF6 BREAKER? Why it use?

1 Answers   Adani,

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iam interesting to design the control panel for 3 phase pump motors by controling single phase switches.iam plan to use fuse,contactor & relay for motor protection .how can i select the voltage & amps rating for fuse,contactor & relay plz guide me .if anybody clarify my doubt means it will more helpful for my future .

1 Answers  

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what is the difference between an alternator and a synchronous motor

0 Answers  

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What can be a rating of a transformer(KVA) if the load is about 1000KW?illustrate by showing formula?

2 Answers  

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why in isolation transformer we dont get any shok?

2 Answers  

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What is dynamo?How it works and what is the function of dynamo in a DG.

3 Answers   Amrapali,

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How to calculate the Meter constant for the given Meter (by using any formula)

4 Answers   HCL, Viva,

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