USCG USCG Electrical
Set 2 • Question #51 of 142
Launch Interactive Practice Room Autotransformer starters or compensators are sometimes used with polyphase induction motors to __________.
A
reduce the voltage applied to the motor during the starting period
✓ Correct Answer
B
increase the voltage for 'across-the-line starting'
C
provide a backup means of voltage regulation for emergency starting
D
allow the voltage to be either stepped up or down, depending on the application, to ensure full torque
USCG NMC Regulatory Explanation
In USCG Marine Electrical Systems (IEEE 45 and 46 CFR), regarding 'Autotransformer starters or compensators are sometimes used with polyphase induction motors to', the compliant technical standard is: 'reduce the voltage applied to the motor during the starting period'.
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