Marine Electrical Systems USCG Question #937 (Set 32)

A shown in figure "A" of the illustrated propulsion motor variable speed drive, what statement is true? EL-0140

USCG Exam Illustration EL-0140
USCG Examination Diagram: Illustration EL-0140
Official USCG Answer & Rule Citation

Correct Answer: Option B — the bridge rectifier is uncontrolled and the controller inverter bridge is transistor controlled in terms of switching

Under USCG National Maritime Center examination standards, the accepted correct answer is: the bridge rectifier is uncontrolled and the controller inverter bridge is transistor controlled in terms of switching.

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