Answer / ibrahim+8801671121852

lighting arrester is used mainly for balancing the voltages
of any building. when lit comes from the sky the voltages of
any houses is rises. to aviod this rising voltage we used
lighting arrester. but if it passed 3.3kv it doesn't work.
or it would be burned.

what are the types in Relay?

1 Answers   PLA,

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1.how many earth pits are required for 1000 k.w plant include substion , transformer ? 2. how many earth pits are required for 500kva generator.what is formula to calcute?

0 Answers  

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What is d diff. btw MCB & MCCB???

1 Answers   Emerson,

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What is inverse definite minimum time lag relay? Where is it use?

0 Answers   TATA,

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why it is so called as xlpe(cross linked poly ethyline) cable?

0 Answers  

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what is an alternator & generator

5 Answers  

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How to Select transformer for 100HP motor plz... With calculation

2 Answers   Rasandik,

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Why electricity is generated and transmitted at the values of multiples of 11?

3 Answers  

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what is the working of vfd drives.

2 Answers  

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whatis the difference between electrical and electronics?

11 Answers  

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what is difference between speed mode and torque mode in motor?? explain in simple words please.

0 Answers   Toyota,

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what are the pecularity of shaver sockets ?

0 Answers  

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