摘要
针对储能装置为不可控整流器的动态电压恢复器易造成直流侧电压不稳定以及电网谐波污染的问题,给出了采用低通滤波和电压闭环控制策略稳定直流侧电压的方法;提出了在不可控整流器前并联双调谐滤波器来滤除谐波,降低储能装置对电网的谐波污染的方法,并详细介绍了双调谐滤波器参数的设计原则。仿真和实验结果验证了设计的合理性。
In view of problems of unstable voltage in DC side and harmonic pollution of power grid caused by dynamic voltage restorer with uncontrolled rectifier as energy storage device, a method using low-pass filter and voltage closed-loop control strategy to stabilize DC side voltage was given. Doubletuned filter paralleled before the uncontrolled rectifier to filter harmonic was proposed, so as to reduce the harmonic pollution of power grid from the energy storage device, and design principle of the double-tuned filter parameters was introduced in details. The simulation and experimental results verify rationality of the design.
出处
《工矿自动化》
北大核心
2014年第2期68-72,共5页
Journal Of Mine Automation
基金
河南省教育厅科学技术研究重点项目(13B470299)
关键词
动态电压恢复器
不可控整流器
双调谐滤波器
电压闭环控制
总谐波畸变率
dynamic voltage restorer
uncontrolled rectifier
double-tuned filter
voltage closed-loop control
total harmonic distortion
