基于dq0变换的电压暂降检测方法

The Research of Voltage Sags Detection Method Based on dq0 Transform

介绍了电压暂降及dq0变换的概念,分析了利用dq0变换后得到的ud、uq、u0分量特征值来辨识不同情况下的电压暂降信号,最后给出控制检测的算法和原理框图。

This paper introduces the voltage sags and the dqO transformation concept, analyzes the ud, uq, u0 component characteristic value which obtained by the dqO transformation, and recognizes in the different situation the voltage sags signal, and finally provides the control detection algorithm and the functional block diagram