why the voltage and current in a long transmission line are called travelling wave?

0 Answers   UIU,

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What happens with squirrel induction machines if the ends of rotor conductors are kept open? Explain

3 Answers  

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what dose the arrow indicate in the symbol of power transformer?

1 Answers  

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What must be the minimum distance maintained between 2 Generators as per International standards?

0 Answers  

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why bulbs when connected in series glow dim

4 Answers  

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what is wave trap? please explain the working and principle

4 Answers  

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how to test vector goup of Dy11 transformer

1 Answers   APPSC,

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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 ?

2 Answers  

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why transformer calling in VA rating

6 Answers  

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how to prepare PPM schudule

3 Answers   TATA,

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why a fan starts rotating in the reverse direction when condenser gets damaged?

1 Answers  

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what is pmu

1 Answers   Alstom,

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