A、varying the DC exciter voltage
B、varying the reluctance of the air gap
C、regulating the speed of the prime mover
D、shorting out part of the armature windings
更多“The voltage output of an AC generator is controlled by（）”相关的问题
A、A.AC voltage to the armature B、B.AC voltage to the field C、C.DC voltage to the armature D、D.DC voltage to the field
A、relative speed of the rotor poles B、number of turns of wire in the armature coil C、strength of the magnets used D、output voltage
A、relative speed of the rotor poles B、number of turns of wire in the armature coil C、strength of the magnets used D、output voltage
A、number of turns of wire in the armature coil B、number of magnetic poles C、strength of the magnets used D、output voltage
A、number of turns of wire in the armature coil B、number of magnetic poles C、strength of the magnets used D、output voltage
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