3、设计了系统软件流程，编写了系统的电流电压双闭环程序。基于TMS320F240发出开关频率fs =900Hz的空间矢量波形。理论上的分析结合实践过程完成了系统的开环和闭环实验，验证了控制方案的可行性。本课题获得河北省教委科技基金支持，是国家自然科学基金的后续课题，对解决电网谐波污染，提倡绿色用电有着重大的经济价值和理论上的指导意义。关键词 功率因数校正；可逆变流器；滑模变结构控制；空间矢量；数字信号处理器AbstractDevelopment survey of control strategy of voltage type r
4、eversible converter is summarized systematically. Control strategy is studied in detail. Direct current d-q change and sliding mode controls are regarded as control strategy of this paper on the basis of comparing of advantages and disadvantages varieties of control
5、strategy.Mathematics mode is set forth detailedly, including; current general mathematics mode; d-q change large signal mathematics model and d-q change small signal mathematics model. The system current loop is established according to d-q change large signal mathem
6、atics model. The voltage loop and its SMC are designed according to d-q change small signal mathematics model.Space vector PWM is regarded as switch control strategy .Its essential principle is set forth detailedly and is simulated based on MATLAB. Voltage loop adopt
7、s variable structure control with sliding mode in order to improve with regard to conventional PID control, which is sensitive to system parameter. Close loop system simulation of SPWM and SVPWM is completed with neglecting high harmonics and without neglecting high
8、harmonics based on MATLAB. Because calculation speed of single chip microprocessor is slow and it realizes timing control poorly,
