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only three phases are coming in step down tranformers.how
to get neutral?
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Answer / selvan
Mostly in consumer side delta-star transformer is used.the
star point of the transformer is neutral point.
| Is This Answer Correct ? | 11 Yes | 1 No |
Answer / d k mathur
The Star point is a transformer is neutral point.
| Is This Answer Correct ? | 11 Yes | 3 No |
You mean the secondary is delta and output is 3 phase 3
wire.Then to create neutral ,you have to connect the
terminals to 3 phase neutral forming inductor coils and use
the star point as neutral.The easiest way is to connect the
terminals to a 3phase auto-transformer of correct capacity
and use the star point for neutral
| Is This Answer Correct ? | 3 Yes | 2 No |
Answer / nimda
If the neutral is intended for single-phase to neutral full
load current then connect a 3-phase reactor with zig-zag
winding or a drive isolation transformer with Dyn winding of
suitable rating.
If the neutral is only for measurement by a meter with high
input impedance then 3 resistors connected as a star can be
used.
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / sandeep
star point of the transformer has to be grounded to get a neutral point
| Is This Answer Correct ? | 0 Yes | 1 No |
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