摘要
本文主要写了无刷直流电机，它具有直流有刷电机的特性，同时也是频率变化的装置，又名直流变频，无刷直流电机的运转效率，低速转矩，转速精度等都比任何控制技术的变频器还要好，所以值得业界关注，可以解决产业界节电和高性能驱动的需求。
Abstract
This paper mainly to write a brushless DC motor,it has the characteristics of DC brush motor,device is al-so the frequency change,also known as DC inverter. Brushless DC motor operation efficiency,low speed torque,speed ac-curacy than any control technology of converter is even better,so worthy of industry attention.,can solve the driving indus-try energy saving and the demand for high performance.
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