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What is the purpose of star delta connection in an induction motor?

April 26, 2017connection Delta Engineering induction Mathematics motor purpose star

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What is the purpose of star delta connection in an induction motor?

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The star delta connection is used for starting the motor it is like when the motor is in DOL the current consuption is of around 6 times where as in star delta it got reduced to 2.5 times of starting current the motor first starts with star and runs with delta with a small interval of changeover time.