Alternator Regulation

Why most of the alternator is connected in star and have high regulation around 30% as compared to transformer?

Questions by Singh Amit

Showing Answers 1 - 9 of 9 Answers

 The cost of insulation is the deciding factor . If one is using delta connection , the insulation required will be for Ph-Ph voltage but in the case of Star connection the voltgae  will be 1/1.732 times.
So cost will be less.

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sinuhe

  • Dec 7th, 2011
 

There will be a large amount of third harmonics in current flowing "inside" the delta connected generator.

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