According to the relationship of rotational speed, power and DC bus voltage, observing rotational speed by using DC bus voltage is proposed to realize none direct speed measurement.
从发电机转速、功率和直流母线电压之间的相互关系出发，提出利用直流母线电压进行转速观测实现无速度传感器。
These reliable direct current generators provide a voltage output directly proportional to the rotational speed of the armature shaft and are specifically designed for speed control applications.
这款可靠的直流发电机可根据电枢轴的旋转速度直接提供电压输出值，该设计应用于速度控制应用领域。
This paper analyzes the forming process of unloading voltage and the relations among unloading voltage, phase electromotive force, exciting current and rotational speed in art alternator.
分析了汽车发电机抛负载电压的形成过程及其与发电机的相电动势、激磁电流和转速之间的关系。
It is indicated that the voltage was induced in the films when the rotational electrolytes flow on the carbon nanotube films surface due to electronic friction and electron drag effect.
结果发现，当转动电解液从碳纳米管膜的表面流过时，也会在膜的两端诱导出电势，该电势的大小与电解液的种类、转速、质量浓度和温度等有关。
It is indicated that the voltage was induced in the films when the rotational electrolytes flow on the carbon nanotube films surface due to electronic friction and electron drag effect.
结果发现，当转动电解液从碳纳米管膜的表面流过时，也会在膜的两端诱导出电势，该电势的大小与电解液的种类、转速、质量浓度和温度等有关。
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