摘要
基于电压源型逆变器(VSI)电励磁同步电动机(ESM)直接转矩控制(DTC)驱动系统具有快速的转矩动态响应、定子侧功率因数可调等优点,但电网侧功率因数较低。针对ESM提出一种基于矩阵变换器的DTC驱动系统,把矩阵变换器优点和DTC优点完美结合在一起,实现电网侧输入单位功率因数,能量自由双向流动。稳态及动态仿真结果显示新型驱动系统设计是可行的。
The direct torque control （DTC） for electrically excited synchronous motor （ESM） based on voltage source inverter has many advantages, such as quick torque dynamic response, variable power factor at the end of stator winding,et al. However, the power factor at the end of electrical wed is very low. A new DTC drive for ESM using the matrix converter was investigated, which combines the advantages of matrix con verter with that of DTC, and unit power factor and hi-direct energy move were abscribed. The steady state and dynamic simulation results verify that the new drive system is feasible.
出处
《电气传动》
北大核心
2008年第10期3-8,共6页
Electric Drive
关键词
矩阵变换器
电励磁同步电动机
直接转矩控制
matrix converter
electrically excited synchronous motor
direct torque control
