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N an electromagnetic force appearing in an inductive circuit in such a direction as to oppose any change of current in the circuit 反电动势 [electrical engineering]
The back EMF in the process of electrolysis is measured by continuous pulse-oscillograph.
采用连续脉冲-示波器法测定电解过程的反电动势。
In this paper, the closed-loop control method of hybrid step motor using the harmonic back EMF is investigated.
研究了利用谐波反电势信号实现混合式步进电动机闭环控制的方法。
The magnetic network model of hybrid step motor is established according to the air gap late permeance method, and the expression of the harmonic back EMF is deduced.
利用气隙比磁导法建立了混合式步进电动机的磁网络模型，推导出谐波反电势的表达式。
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