The saving in cu achieved by converting 2-winding transformer into an auto transformer is determined by
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The saving in cu achieved by converting 2-winding transformer into an auto transformer is determined by the length of the wire.
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Answer:
Formula for amount of copper saving is given by,
Explanation:
For two winding transformer, the turns ratio is given by,
For autotransformer, the turns ratio is given by,
where, is the number of secondary turns of the autotransformer.
is the number of primary turns of the autotransformer.
In Autotransformer Winding Material requirement is less. Two winding transformer Winding Material requirement is more.
The formula for amount of copper saving is given by,
where, is the wight of copper in two transformers.
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