Physics · Electrical Machines
In the star-delta starting method of a 3-phase induction motor, which of the following is correct during the starting phase?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1External resistance is inserted into the stator circuit
- 2External resistance is inserted into the rotor circuit
- 3The applied voltage per phase is 57.8% of the line voltage✓
- 4Reduced voltage is applied to both the motor and starter separately
Correct answer
The applied voltage per phase is 57.8% of the line voltage
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