电网技术Issue(6)：1700-1705,6.
具有谐波补偿功能的动态电压恢复器控制策略
A Control Strategy for Dynamic Voltage Restorer With Harmonic Compensation Function
摘要
Abstract
To ensure dynamic response performance of dynamic voltage restorer (DVR) and make it enable to compensate voltage harmonics from load in the steady state, a single-phase space vector pulse width modulation (SVPWM) based hybrid control strategy composed of double closed-loop proportional integral (PI) control and multiple proportional resonant (PR) control is proposed. Applying SVPWM to H-bridge inverter unit of DVR, on the basis of leading in single-phase coordinate rotating transformation the basis principle of single-phase SVPWM is analyzed and its implementation is given. The double closed-loop PI controller in single-phase fundamental synchronous coordinate environment can ensure the compensation effect of voltage sag by DVR, and multiple PR controller with harmonic voltage-loop for the compensation to specified order of harmonic is added to replace the PI controller in multiple rotating synchronous coordinate environment, thus the astatic compensation to harmonic voltage in specified order is implemented. The effectiveness and feasibility of the proposed control strategy are verified by results from theoretical analysis and experiments.关键词
动态电压恢复器/多重比例谐振控制/单相SVPWM/电压暂降/指定次谐波补偿/电能质量Key words
dynamic voltage restorer/multiple PR control/single-phase SVPWM/voltage sag/compensation to harmonic voltage in specified order/power quality分类
信息技术与安全科学引用本文复制引用
王建伟,胡晓光,陈松松,田思维..具有谐波补偿功能的动态电压恢复器控制策略[J].电网技术,2013,(6):1700-1705,6.基金项目
国家自然科学基金项目(50875011)。Project Supported by National Natural Science Foundation of China (50875011).本文研究工作获得了北京航空航天大学青年教师创新基金项目(911901340)的资助 （50875011）
