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 IS VFD,FUNCTION, PURPOSE,

2 Answers   RasGas,

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what is trip circuit supervision relay? How does it work in switchgear?

6 Answers   Radha Regent Hotels,

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Why 30°phase shift occur in star-delta transformer between primary and secondary?

1 Answers  

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New istallation how many eathing have one transformer? Names of earthing connect places?

10 Answers  

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What are the uses of lead compensator?

0 Answers  

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A.V.R maintains the voltage of a generator when it is in island mode but when the generator is synchronised with grid it maintenance the P.F,how it happens please any body explain it in detail.

2 Answers   TATA,

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Can the same motor be operated in both direction ?

12 Answers  

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will aqatic animal die if we ground the wire of three phase instead of grounding to earth

2 Answers  

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Why Closing coli supervision is not required for Circuit breaker.

1 Answers   JSW,

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why HT line voltage is multiple of 11.eg11kva,33kva,132kva

2 Answers   HP,

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why the amount of voltage generated at power generating stations is 11 KV only....?

3 Answers  

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How many methods to take IR value of Current Transformer?

1 Answers  

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