WHAT IS THE DIFFERENCE BETWEEN UNDERVOLTAGE COIL, CLOSING COIL AND SHUNT TRIP COIL OF AN ACB?

2 Answers   Alstom,

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how will you find out the fuse failure by remote operation?

1 Answers  

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which VFD is better ( LT or HT)

0 Answers  

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wil a dc motor run without a starter??

9 Answers   MRF,

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how to convert star network in delta or vice versa...?

1 Answers   Toyota,

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why we are using panel space heaters in different control schemes????

3 Answers   Mecon,

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what role neutral plays in electrical circuit? If neutral is not there what will be the effect

1 Answers  

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What is phase angle? and what is importance to measure it?

2 Answers  

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how to find insulation resistance of a motor(415v) by theoretical formula??

2 Answers  

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diff.between servo motor and ac motor

0 Answers   Power Grid,

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what is polarity in ac system? and how do identified?

1 Answers  

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define IDMT relay?

15 Answers   APGenco, Bhel, L&T, Shriram Finance,

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