电能质量监测装置数字滤波器设计应用研究

Design of Digital Filter for Power Quality Monitor Device

利用数字滤波器数据处理速度快、系统工作性能稳定、能获得理想的幅度特性等特点,设计一种应用于某系列高端电能质量监测装置的数字滤波器,通过仿真实验和实际采样信号处理证明,此种数字滤波器可提高监测装置测量信号的信噪比,可达到[2009《]电能质量监测终端技术规范》试行国标A级标准。

A digital filter applied to a series of advanced power quality monitoring devices is designed by using digital filter dataprocessing speed,system performance,stability and be able to obtain the desired amplitude characteristics.Through simulation and actual sampling signal processing proves that this digital filter raise the measuring signal to noise ratio of monitoring device and achieve the [2009] GB A-level standard.