基于滑窗小波和二点法的电压暂降检测算法

赵荪翀,应展烽,马啸,张继云,石鸿飞

Study on Detection of Voltage Sag Based on Sliding Window Wavelet and Two Points Method

Sunchong Zhao,Zhanfeng Ying,Xiao Ma,Jiyun Zhang,Hongfei Shi

表2 不同td和tr条件下,基于滑窗小波与二点法的电压暂降检测误差

Tab.2 The errors of voltage sag detection based on sliding window wavelet and two points method with the various td and tr

序号 暂降时刻td/s 恢复时刻tr/s k误差(%) φ误差(%) Case 1 0.0766 0.2263 0.18 0.12 Case 2 0.0781 0.2278 0.24 0.14 Case 3 0.0797 0.2294 0.16 0.23 Case 4 0.0813 0.2309 0.27 0.12 Case 5 0.0825 0.2322 0.24 0.25