Is any generator is developed which is operated with out
diesal or other expensive source?
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What is the need of black rock stones under the transformer yard?
5 Answers TNEB Tamil Nadu Electricity Board,
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 ?
what's the meaning of the negative going half cycle in the circuit containing a bulb and a switch in series with a input ac source. i mean what happens in the -ve cycle. the dir. of current changes or any other thing. if dir. changes then why we use fuse in only phase wire.
determine two methods to find loose connection in operational electrical system?
can a motor acts as a generator
how to calculate the capacitor to maintain power factor?
what is percentage impedance of transformer? explain its significance
What will be the full load current of 60KVA UPS. Suggest for this formula.
what mean by power factor
what is difference between DC and Ac
In UPS, battery connections if parallel connection given, what will happen?
why pull the single core cable?