A. resistance is inserted in the stator
B. reduced voltage is applied to the stator
C. resistance is inserted in the rotor
D. applied voltage per1 stator phase is 57.7% of the line voltage
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A. resistance is inserted in the stator
B. reduced voltage is applied to the stator
C. resistance is inserted in the rotor
D. applied voltage per1 stator phase is 57.7% of the line voltage
A star-delta starter is a common type of starter used to start 3-phase induction motors.
The voltage applied to the stator is reduced to 58% of the line voltage and the starting current is 33% of the full load current. The peak starting torque is also 33%. Star-delta starters are often used for applications where motor startup draws a high current demand.