第三，当电子流动时，会在炉的线圈感应一反方向的电动势(Back emf)，如果在这时候把锅拿走，此反电动势就会消失。因此电磁炉可自动探测究竟锅有没有放好在炉上面，从而自动关闭电源。
基于40个网页-相关网页
back-EMF 逆起电力 ; [电磁] 反电动势 ; 反电势 ; 反电势法
back-emf constant 逆起电力定数 ; 电势系数
Back EMF sampler 反电势取样器
back EMF cell 反电动势电池
back emf constant 反电动势常数 ; 线反电动势系数
non-ideal back EMF 非理想反电势
the motor back-EMF 电机反电动势
·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
应用推荐