Answer Posted / amresh kumar

In electrical system we study of conductors & its low
frequency & high power supply & it is transfomer a.c.
current.
In electronic system we study of semiconductor &its high
frequency & low power supply & it is control
ckt.d.c.voltage.

how to operate and maintenance of 1500 kva diesel generator set

1751

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when ac current flows thru d coil of a contactr,it energizes,magnetic field attracts d contact of the coil...nw wont dt ac current in d contct induce current back on to d coil thru mutual inductance leading to high currnt in d coil

1662

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how cables go in and come out for distribution from the feeder pillar box?

2026

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what is the maximum permissible limit value of leakage current and leakage counter reading to replace lightining arrester?

5073

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1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

2012

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WHY THE COLOR OF OUTDOOR TRANSFORMER IS BLUE ONLY???

2058

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any one can explain the stages of a knee point which is taken during ct magnetising curve.

1719

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electromechanical relay type identification example : type=tjmh t-stants for j- m- h-

2381

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What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

2300

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what is the significance of terminal voltage and phase sequence in the operation of paralleling of two generators?

2491

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What are the special cables required for explosion proof wiring?

3504

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We have two APFC panels in same station. I need how to connect CT in two APFC panels.can we take one CT in series connection or two separate CTs.

1457

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draw 3 phase rectifier diagram

2129

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what are the safety measures of induction motor?

1997

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What is the numerical quantity of sqcm?

1946

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