摘要
分析了三相逆变电路死区生成机理及造成的电压畸变,提出一种基于空间矢量脉宽调制(SVPWM)的预测电流死区补偿方法,并结合TMS320F2000系列内部可编程死区发生器的工作机理解决DSP因插入死区而导致有效脉冲丢失的问题。实验结果证明了理论分析的正确性和该方法的可行性及有效性。实验表明,软件控制简单、运算量小,适合用于三相逆变电路的死区补偿。
This paper analyses the mechanism of dead-time generation on inverter and the effect of inverter＇s output voltage, given a ＂Predictive Current Control＂ Dead-time compensation method based on SVPWM, with the operational principle of Deadband Units in TMS320F2000 series controller, this method solve the problem of used pulse lost with dead-time in inverter. The validity of theory analysis and this method is proved by the experiment results, the software is simple, it appropriate to deadtime compensation for inverter.
出处
《微电机》
北大核心
2008年第9期78-80,84,共4页
Micromotors
关键词
死区补偿
空间矢量脉宽调制
预测电流控制
实验
感应电机
Dead-time compensation
Space vector PWM
Predictive current control
Experiment
Asynchronous motor
