Answer / k.prakashchandra

Earth leakage relay is for very small currents in low
voltage system.

63MVA,220KV/6.9KV Transformer LV side neutral is connected to Earth pit through NGR. Whether this earth pit required to connect with near by below grouding earth mat or it is to be kept separate?

0 Answers   GSECL, L&T,

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1.Why use in ups in software's,reason,and pls explain. 2.what is the isolation transformer and main use it's functioning and partes.

5 Answers   TATA, Wipro,

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What are the different sign conventions used in electric circuits?

0 Answers  

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why fault current always calculated for 1 seconds?

3 Answers   Coca Cola,

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Explain Creepage Distance of Insulator

0 Answers   ABB,

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why the supply frequency in india is 50hz?

2 Answers  

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sir, i want to know the calculation for find rated current for cable sizes.(both copper & aluminium) with examole. please sir for example: 35sq.mm al.cable is withstands for how many amps? is suitable for 45kw motor?

5 Answers   L&T,

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how to determine ct ratio in ht vcb?

0 Answers   Techno Engineering,

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What conditions are required for a transformer to operate at low frequencies ?

1 Answers  

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What is a parabolic signal?

0 Answers  

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what is meant by excitation which supply is used whether ac r dc in the lab applications

1 Answers  

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what is mean by flux

2 Answers  

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