本文对变转速泵控马达液压系统进行了仿真分析，建立了系统中变频器、异步电动机、定量泵、马达以及负载的数学模型。

Simulation analysis was carried out for the variable speed pump-control-motor hydraulic system. Mathematic models of inverter, asynchronous motor, fixed pump and load were set up.

youdao

磁场定向控制是控制由变频器供电的异步电机暂态电磁转矩的有效手段。

The field-oriented control is a powerful tool for controlling the transient electromagnetic torque of the induction motor fed by a frequency converter.

youdao

变频器LC滤波器中电容器与异步电机之间自激引起的过电压会对逆变器和电机本身产生危害。

Self-excitation of induction motors caused by output LC filters of variable voltage variable frequency(VVVF) power supplies is harmful both to the motor and the power supply.

youdao