Answer / srihari

Hydrogen cooling is preferred because the specific heat is
14.5
times than air and it is less weight.
air cooling and water cooling are other types of cooling
arrangements

what is the calculation method to design core and winding of a 200kva 3phase distribution transformer?

1 Answers  

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Is it possible to convert Dependent sources to its equivelent current or voltage Sources ?????

1 Answers   Zen Technologies,

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Advantage of LT panel vs HT panel

1 Answers  

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My requirement is 1VA,50/5A Current Transformer for Metering .If I select 15VA , 50/5A CT.Is there any possibility of Technical Problem ?

6 Answers  

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What is OT in a transformer, specify its function.

2 Answers  

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why transformer neutral and CT Secondary neutral is connected to earth?

3 Answers   NCC,

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What are the specifications for conducting earth leakage test as per IEC standard?

1 Answers  

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how to calculate the multiplying factor for energy meter with CT ratio given

23 Answers   Bhel, Dalmia Group, DIFC, Fedco, Hindustan Unilever Limited, Lupin, MahaDiscom, MAL Pakistan, Myunghwa Automotive, Panchshil Infrastructure, Regala, RVPN, VIPL,

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What is the Surge suppresor? Why using in a UDB's and How it works?

1 Answers  

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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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v=r*i this means when voltage increases current also increases at constant resistance.... p=v*i this means when voltage increases current decreases to maintain the power constant which one is true...

3 Answers  

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how give earthing to shif and aeroplane which is away from earth?

1 Answers   ABC,

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