Electrical Engineering · Electrical Machines - Induction Motors
What is the primary effect of introducing external resistance into the rotor circuit of a slip-ring three-phase induction motor during its normal operation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Decrease in output power and efficiency, and increase in rotor ohmic losses✓
- 2Decrease in output power, rotor ohmic losses, and efficiency
- 3Increase in output power and efficiency, and decrease in rotor ohmic losses
- 4Increase in output power, rotor ohmic losses, and efficiency
Correct answer
Decrease in output power and efficiency, and increase in rotor ohmic losses
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