what is tha between elcb & rccb?

3 Answers   Essar,

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A three phase transformer 460v primary 220v secondary (three phase four wire system.) Why did we get 460 volts across the neutral on the secondary side?

3 Answers  

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What is a dominant pole?

0 Answers  

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keeping in view of parallel operation which of the 3 phase transformer connection are possible? a)delta-delta to delta-star b) delta-delta to star-delta c) star-star to delta-delta d) delta-star to star-delta

4 Answers   Ecil, Siemens,

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What is the minimum underground tank size capacity considered for firefighting purpose?

0 Answers  

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Does magnetomonopoles exists? one maxwell equation strongly suggests no, but how about their existance in plasma?

0 Answers  

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In three phase supply why we use R Y B Colour not other.

4 Answers  

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WHAT IS MEANT BY SYNCHRONISING IN GENSETS

5 Answers  

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How the PF control while running DG set with load

0 Answers  

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What was your role in the silicon evaluation/product ramp? What tools did you use?

0 Answers   Intel,

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If more than rated DC voltage appears across trip coil of the breaker, what will happen? e.g. in 110V DC circuit system, if voltage across battery terminal showing 121 V

0 Answers  

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What is the use of insulation tester and how it is to be used.

2 Answers  

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