【单选题】
The frequency of the alternating current generated by a synchronous generator is governed by the speed and the（）
A、full excitation
B、load
C、power factor
D、number of poles
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搜题
更多“The frequency of the alternating current generated by a synchronous generator is governed by the speed and the（）”相关的问题
第2题
A、slightly less than the line frequency B、the same as the line frequency C、slightly greater than the line frequency D、All of the above
第3题
A、higher than the bus frequency B、lower than the bus frequency C、the same as the bus frequency but out of phase with it D、the same as the bus frequency and the circuit breaker may be closed at any pointer position
第4题
A、higher than the bus frequency B、lower than the bus freouencv C、the same as the bus frequency but out of phase with it D、the same as the bus frequency, and the circuit breaker may be closed at any pointer position
第5题
A、slightly less than the oncoming generator frequency B、the same as the bus frequency C、slightly greater than the bus frequency D、the same as the bus voltage
第6题
A、High frequency pulses B、Combinations of high and low frequency pulses C、The same frequency for all stations in a chain D、Varied long and short pulses
第8题
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
第9题
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
第10题
A、increase the field excitation B、decrease the field excitation C、increase the number of magnetic poles D、increase the speed of the prime mover
