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额定电压（rated voltage）
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更多 “额定电压（rated voltage）” 相关考题
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The power factor of an AC generator operating singularly is determined by the_______ .A.connected loadB.prime mover speedC.field excitationD.generator's rated voltage
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选用晶闸管的额定电压时，应根据实际工作条件下的峰值额定电压的大小应为（）A、额定电压等于实际峰值电压B、额定电压远远小于实际峰值电压C、额定电压大于实际峰值电压D、额定电压略小于实际峰值电压
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（）是指由设备生产厂给出的设备或设备主要部件耐冲击过电压的最大值。该值与设备的绝缘水平有关。A、总放电电流total discharge currentB、标称放电电流nominal discharge currentC、冲击电流impulse currentD、耐冲击过电压额定值rated impulse with stand voltage
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单选题The output voltage of a three-phase alternator is regulated by the （）.A
AC voltage to the armatureB
AC voltage to the fieldC
DC voltage to the armatureD
DC voltage to the field
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单选题Generators should have an excitation/voltage regulation system which will enable them to share the steady state reactive load （） no machine exceeds its proportional share of reactive load by more than 10% of the rated reactive load of the largest generator.A
whenB
so asC
such thatD
though
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单选题The power factor of an AC generator operating singularly is determined by the （）A
connected loadB
prime mover speedC
field excitationD
generators rated voltage
考题
单选题The power factor at which a paralleled AC generator operates is usually adjusted by the （）.A
connected loadB
prime mover speedC
field excitationD
generators rated voltage
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判断题在Advanced下的Voltage Monitor可显示计算机电源输出的各类电压和CPU核心电压。A
对B
错
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