Answer / sumit mishra from areva t&

Each & every switchyard are having set of equipment which
are required for tranmission/distribution of electricity.

So we cn classify the protection as..

Distance or line protection
Tranformer protection
Bus bar protection
Back up protection(O/C & E/F)etc...

how do i calculate voltage drop-if length is 1000 meter,amps is 160a

1 Answers  

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What are the different types of cable jointing methods for HT and LT power cable?

1 Answers  

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in a silicon diode we can measure .7v in a voltmeter.but why we can't use this voltage for using?

0 Answers  

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Difference between MCC and PDB

3 Answers   BARC, CDS, NINL,

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Voltage drop is the:(a) Maximum potential(b) Difference in potential between two points(c) Voltage at the end of a circuit(d) Voltage produced by a source

3 Answers  

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how fault in an electric system is detected & hw protection of equipments is done ?

6 Answers   NTPC, RLY,

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What is meant by Guard relay ?

2 Answers  

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why dc supply given to ac alternator rotor

3 Answers  

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what is the ground clearance of 400KV transmission line?

9 Answers   Power Grid, wbsedcl,

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what is a motor

5 Answers   Eskom,

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In a HT switchboard where Nos. of Transformers are connected, how to decide Incoming cable size? Whether Cable should be rated for connected load or maximum demand?

1 Answers   Power Grid,

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can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.

0 Answers   NTPC,

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