why earthing is not required on transformer prymary winding side ???

13 Answers   Genpact,

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what is the value of current as well as voltage upto which we will not feel shock and why?

3 Answers  

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Inverter. converter. Ups.MCB.solar.alternators. motors.

0 Answers   Cisco,

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how can 3phase motor speed can be controlled without vvf drive?

1 Answers  

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Which fault is caused by lightening and thuderstorm a. Line to line fault b. Single line to ground fault c. Double line to ground fault

1 Answers  

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What are the two segments of nyquist contour.

0 Answers  

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Why dnt we generate 5-ph or 7-ph supply like as 3-ph supply

2 Answers  

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How to calculate multiplying factor of dc energy meter

0 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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whta does the middle finger stands in flemings left hand rule

3 Answers  

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why neutral is required in electrical system

3 Answers   Bhel,

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Transformer diagram mention each parts ?

0 Answers  

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