摘要
介绍了一种基于Park变换的简单便捷的动态电压扰动检测方法,并把它扩展到单相电路系统,该方法可以有效地检测出诸如电压骤升、暂降、不对称、闪变、波动、谐波以及瞬时中断等电压扰动的补偿值。由于没有使用低通滤波器,该方法具有很好的实时性,同时,该方法具有物理意义明确,易于用程序实现,易在工程上实现等优点。仿真结果验证了该方法的有效性。
A simple and convenient detection method of dynamic voltage disturbance based on the Park transform is introduced and extended to single-phase circuit system, which can effectively detect the compensation value of voltage disturbances such as sell, sag, asymmetry, flicker, fluctuation, harmonic and interruption etc. With the absence of the use of low-pass filter, the method has good real-time performance, in addition, it possesses following merits: determinate physical significance, easy programming, easy to be realized in the engineering. Simulation results verify the validity of the method.
出处
《电气技术》
2007年第9期32-35,39,共5页
Electrical Engineering
关键词
PARK变换
动态电压扰动
仿真
动态电压恢复器
Park transform
dynamic voltage disturbance
simulation
dynamic voltage restorer (DVR)
