反电动势

/ fǎn diàn dòng shì /

1
[电磁] back electromotive force
...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...
2
[电磁] counter electromotive force
... counter；计算器，对立的 counter electromotive force；反电动势 counter gear；反转齿轮 ...
3
Back EMF
2）喇叭的反电动势（Back EMF）,是否会回流并对功放输出产生干扰？如果是的话，量值有多大，能否被人耳感知？
4
BEMF
...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。

短语

1
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.
2
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.
3
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.

点击反馈