USCG USCG Electrical
Set 3 • Question #77 of 142
Launch Interactive Practice Room The purpose of a cage rotor winding placed on the rotor of a synchronous motor is to __________.
A
provide excitation to the DC field
B
start the machine as an induction motor
✓ Correct Answer
C
contribute extra torque at synchronous speed
D
prevent the machine from falling out of step
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'The purpose of a cage rotor winding placed on the rotor of a synchronous motor is to', the compliant technical standard is: 'start the machine as an induction motor'.
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