基于小波变换的分布式发电系统的孤岛运行检测方法

Islanding Detection for Distributed Generation System Based on Wavelet Transform

研究了分布式发电系统与配电系统并联后的配电系统稳定性和安全性问题。将小波理论应用于分布式发电系统的孤岛运行检测过程,以实现快速检测识别电力系统异常运行现象发生的功能。模拟结果显示,提出的方法能够准确地检测出系统中分布式发电系统孤岛运行情况。

This paper focuses on the stability and safety of power distribution system after integrated with distributed generation system.Wavelet theory is applied to the islanding detection for distributed generation system in order to detect and identify quickly the abnormal operational phenomena of power system.The simulation results show that this proposed method can detect the islanding operation in distributed generation system more accurately.