Answer / fawaz firoz

Tower is mostly the tallest structure in an area. Lightnings tends to strike on the highest point in an area. Therefore, the tower is earthed so that the lightning has a path to discharge or else damaging the tower and other equipments under it.

Single phase and threephase power calculation

0 Answers  

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For my plant the electricity department charging some amount for t/f losses. May i know what are transformer losses

1 Answers   L&T,

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protection used for alternator , feeder , transmission line

3 Answers   NHPC, Perfetti,

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It is observed that AVR of an Alternator is more likely to fail if the Generator and Mains Neutral are directly connected to each other. Why should this be so?

1 Answers  

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Is better to supply the voltage for static exciter from the auxiliary power source or from the SG terminals? And why?

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what will happen if the bus PT fuses are accidently removed from the circuit in 6.6kV feeder?

1 Answers  

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In a 11000/440 V transformer, when any one phase of 11 KV supply fails (ie., single phasing), what happens to the secondary voltage and why?

3 Answers   Secure Meters, TCS, Torrent Power,

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How to measure the capacity/rating of a distribution transformer in KVA?

0 Answers  

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why dc is used in control circuit for mv & hv switchgear instead of ac

0 Answers  

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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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What is Fire Panel ? How it works ?

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What is transformer tap changers please explain

3 Answers   Feedback Venture, Sail,

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