Answer / k.prakashchandra

IDMTL relay has inverse characteristic and the other is
instantaneous for very heavy faults.The former trips by disc
rotation ,and the latter by a lever placed near the
electro-magnet

in india why 50 hz and 220 volt taken as standard rating for equipments whereas in US 100hz and 110v is consided as standard rating.is this method save power.

5 Answers   Wipro,

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what is the CT & PT. where is it uses.what is the using that plese kindly answer me...?

4 Answers   Cap Gemini, JLL,

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enlist types of dc generator

8 Answers   Philips,

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what is the ideal earth resistance

11 Answers   Amit Enterprises, Enercon,

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Differance between power circuit and control circuit

3 Answers  

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HOW WOULD YOU PRESENT THE POWER FACTOR PRACTICALLY ON A GRAPH

4 Answers   Bhel,

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how is the many rpm of acb charging motor ?

1 Answers  

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do we need NGR panel when the output of the genset is LV but after that it is step up to 22 kv. condition is 12 genset 400v are operating in parallel.

1 Answers  

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what is pressure relief valve in D.G ?state its function?

3 Answers  

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What are the main parts of central chiller plant? Explain the function of each stage.

0 Answers   HSL, Shankar Electricals,

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What will be the fault current of any system when its generation is 10% of BASE generation( FUll Load )?Will is 10% or the same as full base calculation?

0 Answers  

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what is the meaning write of AC1,AC2,AC3 .....power contactor

7 Answers   ABB,

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