Why star delta starter is preferred with induction motor?
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Answer Posted / Anup Kumar Lahariya
A Star Delta starter is commonly used with an induction motor because it provides a smooth start, reducing the stress on the motor and extending its lifespan. At startup, the motor's current can be up to six times higher than its full-load current, which could cause excessive heat buildup and mechanical strain. The star delta starter starts the motor in a lower-current star configuration and switches to a higher-current delta configuration once the motor has reached its normal speed.nThe advantage of using a Star Delta starter is that it allows for a gradual increase in current, reducing the shock to the motor. This results in less wear and tear, increased efficiency, and improved overall performance.
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