單項(xiàng)選擇題A constant output voltage from an AC generator is maintained by the ().

A.prime mover governor
B.exciter generator
C.voltage regulator
D.reverse power relay


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1.單項(xiàng)選擇題What type of rotor is used in split-phase motors?()

A.Dram
B.Salient pole
C.Squirrel-cage
D.Wound-rotor

2.單項(xiàng)選擇題The load sharing characteristics of two diesel generator operating in parallel are mostly dependent on their governor ().

A.load limit settings
B.idle speed settings
C.speed limit settings
D.speed droop settings