How to set a Zone 1 distance relay for distribution feeder?

0 Answers   Schweitzer Engineering,

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how to calculate short circuit calculation of the transformer by usuing the percentage impedence? formula needed.

2 Answers   L&T,

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what is the difference between on line UPS & INVERTOR

2 Answers  

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why any inductive load need free wheeling diode?

4 Answers   Essar,

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How can calculate HT side VCB? For example I have 1250 KVA load what will be HT side VCB Amp.range and what size XLPE cable I use for HT side.

2 Answers   NASSA, Orchid, SB Automation,

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what is inductive voltage transformer? what is its application and how it differs from capacitive voltage transformer?

1 Answers   NRSC National Remote Sensing Centre,

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working principle of current sensing relay? how its work?

1 Answers  

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generally rectifying of ac tells. ac signel appear at phase and neutral with respect to frequency by -veand +cycles. but we doesn't experience shock with neutral in house hold ac??????.

1 Answers   ETA, RRR, TCS,

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whay we transmit power in 3phase no in 4 or 2 or 5......etc?

4 Answers   CCCL,

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with help of neat sketch explain principle of TIG welding process

0 Answers  

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In a large office how do we calculate required number of light fittings, assuming fittings are 4x18W or 2x36W fluorescent fitting ?

0 Answers  

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What will happen if we give the 3 phase supply to the rotor of slipring induction motor?

3 Answers  

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