Answer / anand pandu

THERE WILL BE ONE NUTRAL WHEN SUPPLY COME OUT FROM
SUBSTATION THEN WE USE ONE PHASE AND NUTRAL FOR SINGLE
PHASE .

Answer / shaikh

we can add a neutral line with 3 phase supply (4 wire
system), then supply either single or three phase.

Answer / kj

A neutral will be required.

A single phase and neutral can be used leaving the other 2
phases unused.Or the single phase loads be connected
between each of the separate phases and the common neutral.
The single phase loads can be balanced across the 3 phases
in this way.

Answer / sathi

BKCHONAR

Which lamp will fuse first(1)20(2)40(3)200 three lamps will fuse together

2 Answers   NTPC,

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1 Answers  

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kva/kvr

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why induction motor always operate at lagging p.f.?

4 Answers  

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if its possible for step up or step down DC volage directly ? possible means how we can do it ?

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