what are the protecyion of transformer & generators

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TNC switch is also available in 1NO+1NC. What does it mean ?

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what is transient enclosure vltage , very fast transients, very fast transient over voltages

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KVAR Kilovolt-Ampere-Reactance

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WHWT IS USE OF VACCUM CIRCUIT BREAKER

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WHAT IS THE PARTIAL DISCHARGE TEST?

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Three set (each phase contain 2 cable of 400 mmsq CU XLPE AWA) of single core cables are connected to 11 KV motor of 14 MW & the switch gear supplay is taken from 11kv feeder & this supplay taken from 275 KV substation. Problem is one pair cable(L3- 2 cable ) getting very hot & gland melted and damaged in switch gear side. the other two cable haven't any more hot(ambient temp only & L3 haveing 95- 100 Degree C. The same problem happened in 275 KV substation switch gear side also where the supply taken for 11 kv switch gear. But here L2 phese cable had problem. Why it is happening like this?. The cable having temperature different at different location from gland side inthe case of 11KV feeder of 275 kv substation. why ?

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What is transient Phenomenon?

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Explain and give me an example of a time when you had to explain some new procedures to your co-workers for quality service delivery, how did you go about it?

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What is surger vector in 33Kv transmission feeder? We have AC power generator of 8MW which is paralleled with 33Kv EB grid. Some times our HT breaker gets trip off due to surge vector problem. How to over come it? Is there any device to observe the surge and avoid tripping?

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why transformer not used to starter

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What will happen if supply frequency change in Transformer KVA rating ?

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