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A delta connected 400 V, 50 Hz, 3-phase induction motor when started direct-on-line takes a starting current...

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A delta connected 400 V, 50 Hz, 3-phase induction motor when started direct-on-line takes a starting current of 30 A. When the motor is started through a star-delta starts, the starting current will be (1) 3A (2) 10 A (3) 15 A (4) 30 A 
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