Answer / k.prakashchandra

Using hollow or' stranded and twisted' conductors

Answer / ashok mishra

by using LONGER CROSS ARMS but practically it is not used due to high cost

How can decide the MVA rating of power transformer for substation like 220/132, 132/66, 66/33kv etc or even higher kv rating of substation???? Send me the strictly technical answer that shows your strong technical aptitude.

6 Answers  

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what do you mean by cl PS CTs? What are technical details required for it's manufacturing?

1 Answers  

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how can we measure rotor current of a 3phase wound rotor induction motor connected to liquid resistance starter

1 Answers  

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Is there any specialised book to refer about fault level calculation both in MV and LV side??

0 Answers  

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difrent between vcb acb sf6 and mccb breakers

1 Answers   DMRC,

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If the generator will trip, what you will do as an electrical technician in charge.

1 Answers  

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What is principal to reduce earth leakage current with isolation transformer? When isolation transformer is installed in input stage of system, earth leakage current is reduced. the reason is why the leakage current of 2nd stage of isolation transformer does not affect the 1st stage's leakage current. I would like to know the reason. As you know, earth leakage current is a kind of AC. So, How to reduce earth leakage current in case that isolation transformer is used?

2 Answers  

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Installation method of self treated earth electrode.

0 Answers  

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minimu size and length of gi earth pipe

2 Answers  

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What are the difference between these terms ? e.m.f, voltage, potential, potential difference, current etc? what are the difference between these terms ? (electromotive force) e.m.f, voltage, potential, potential difference, reference potential, reference potential difference, current. How can i explain and describe these all terms in single line each and little more explaination too thanks

2 Answers   Siemens,

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why exterrnal C.T. protection is used even though ACB& VCB is having inbuild C.T. protection?

2 Answers  

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in ONAN type transformer winding temperature is lower than oil temperature at evening time but morning winding temp is higher than oil temp what is the reason?

2 Answers   Areva,

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