【摘要】 针对电能质量扰动问题 ,通过介绍几种基于变换理论的电能质量扰动检测和分类方法 ,对比分析各种方法之利弊 ,提出了基于小波包能量谱的电能质量短期扰动检测与分类新方法。仿真结果表明 ,该方法取得了明显优于其他检测和分类方法的效果更多还原

【Abstract】 Aimed at power quality disturbance(PQD),several transformation-based analysis methods are introduced. By comparing those methods, a method is brought forward based on the wavelet packet(WP) energy chart. The simulation shows that this method attains ideal effect.更多还原