what is the significance of positve n negative voltage regulation .on alternator

1 Answers   TCL,

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why we can turn on the phase-A scr in 3 phase converter at 30 degrees

1 Answers   JSW,

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If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??

0 Answers   Jindal,

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what will be the effect on the voltage .if power frequency is increasing or decreasing.

2 Answers  

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How to use earthing on shipments.

0 Answers  

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which of the following motors is non-self starting?

3 Answers   SS Solutions,

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what is the purpose of NGR?

25 Answers   Assam Electricals,

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why an ideal voltage source has low internal resistance????

1 Answers  

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what are symmetrical and non symmetrical components in electrical installation.

0 Answers  

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if power factor comes in leading & showing -0.95. Is there any effect on electrical system? if yes, then please tell me what would be the effects. & how long we keep power factor in leading. Keeping power factor in leading shows more KW & less KVA is it correct or not.

2 Answers   Jakson,

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When star connection of motor is use?

1 Answers  

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what is threshold voltage for a relay???what does it exactly means ?whats its value in our indian transmission system say 11kv feeder RMU relay

3 Answers  

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