Gears ' fault diagnosis by monitoring stator current 通過監(jiān)測電機的定子電流實現(xiàn)齒輪的故障診斷
Data acquisition and processing of stator current signal for asynchronous motors 異步電動機定子電流信號的數(shù)據(jù)采集與處理
The pulsating torque components caused by stator current divergence from ideal conditions are studied 消除轉(zhuǎn)矩脈動可以通過對定子電流加入諧波的方式完成。
Simulation results showed that this control strategy can decrease the stator current anti improve the efficiency of the system 仿真結(jié)果表明永磁同步電動機直接轉(zhuǎn)矩控制系統(tǒng)最大轉(zhuǎn)矩電流比控制可以降低定子電流,減小損耗,從而提高系統(tǒng)效率。
An inverse time - lag operating equation with accumulating stator current is achieved in this paper , according to the heating of the motor 根據(jù)同步電動機發(fā)熱機理,建立了累加定子電流的同步電動機發(fā)熱模型,較真實地反應了同步電動機的發(fā)熱過程。