Answer / prasu2880

For D/C(Double Circuit) Line having 6 phases & one Earthing
but S/C(single Circuit) line having 3 Phases & on Earthing

Answer / surya

FOR SINGE CIRCUIT LINE 3 CONDUCTORS AND 1 NEUTRAL WIRE USED.
FOR DOUBLE CIRCUIT LINE 6 CONDUCTORS AND 1 EARTH WIRE USED.
BASICALL FOR DISTRIBUTION PURPOSE SINGLE CIRCUIT LINE AND
FOR TRANSMISSION PURPOSE DOUBLE CIRCUIT LINE USED.

Answer / sanjay jangra

question is about transmission line.

If a 220 or 400kV line is having single circuit. Then there
will be 4 or 5 wires. 3 wires for phases and 1 or 2 ground
wires depending upon the tower structure.

why we testing the core balance of the transformer before comissioning?

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What is the Harmonics??????????

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WHY WE USE 4-20mA

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What is the function of Igniter in 250 watt HPMV street light?

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Can a generator runs after getting 1st stator earth fault.

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please send me last 5 year interview questions

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