Answer / vinoth

3P used for residual protection, to protect against fault occur between any phase to ground(or)neutral ...

If current and resistance in a circuit is increased by 20%, what will happen to its voltage drop??

4 Answers  

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what is the kvar, droop, stability,ramp

1 Answers  

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In an ACB shunt trip coil and undervoltage coil operated normally( breaker open and charged). But closing coil not operating untill manually discharge and recharging. Any help.

0 Answers   PPIL,

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What is the difference between CT for protection and Ct for metering?

16 Answers   BirlaSoft,

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in Megger what type of voltage(AC or DC) are produce.how they work.

1 Answers  

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How do you select a cable size(Cu&Al) for a particular load

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How can i learn to programme every VFD. Or is there any typical study to understand VFD programming.

1 Answers   Volkswagen,

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How can we measure earthing resistance test (Earth meggar) of Transformer neutral pit while in live condition?.

0 Answers  

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what is the difference b/w UHVDC and HVDC(LIGHT)?

4 Answers   L&T,

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can any one tell in easy method for circulating current ??

0 Answers   Quest,

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what is meant by power factor ?

17 Answers   Harita, Pricol,

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Which state of India had first started power reforms?

1 Answers  

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