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In shown Star /Delta automatic starting electrical circuit of three-phase squirrel cage ac motor, the normally closed contacts of star and delta contactors are

In shown Star /Delta automatic starting electrical circuit of three-phase squirrel cage ac motor, the normally closed contacts of star and delta contactors are used to prevent: IR TR A IR Select one: a. Squirrel cage stator windings short circuiting b. Control circuit short circuiting Squirrel cage ac motor overloading d. Power circuit power supply short circuiting

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