反电动势是指由反抗电流发生改变的趋势而产生电动势。反电动势一般出现在电磁线圈中,如继电器线圈、电磁阀、接触器线圈、电动机、电感等。
...合金;熔盐电解;反电动势;电流效率[gap=1308]Key words: Al-Li alloy; molten salt electrolysis; back electromotive force; current density...
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... counter;计算器,对立的 counter electromotive force;反电动势 counter gear;反转齿轮 ...
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...在于当无刷电动机匀速运转时,BEMF(反电动势)是正弦形的,指令电流也是正弦形的;而当有刷电动机匀速运转时,BEMF(反电动势)是恒定的。此外,因为相电流在改变,所以不论是转速恒定,还是负载恒定无刷电动机中的电感损失不影响稳态转矩。
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反电动势起动器 counter electromotive force starter ; counter-EMF starter
反电动势变流器 counter electromotive force inverter
反电动势式调整器 counter electromotive force type regulator
反电动势电池 counter emf cell ; back electromotive force cell ; back EMF cell ; cell
反电动势控制器 counter emf controller
反电动势继电器 counter electromotive forc relay
反电动势常数 back electromotive force constant ; back emf constant
反电动势滤波 Back-electromotive force filtering
用于电机的反电动势 Electro Magnetic Field ; EMF ; El ectroMagnet Field
采用连续脉冲-示波器法测定电解过程的反电动势。
The back EMF in the process of electrolysis is measured by continuous pulse-oscillograph.
对于在电源故障情况下的电力,可利用主轴电机的反电动势。
For the power in case of a power failure, back electromotive force of a spindle motor can be utilized.
设计了一种新的软硬件相结合的方法去检测反电动势过零点。
Firstly, a new zero-crossing detection method with software comparing with hardware is designed.
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