基于特征信号注入的含IIDG配电网谐波差动保护方案

杨立明, 周浩亮, 朱振洪

Harmonic Differential Protection Scheme Based on Characteristic Signal Injection for Distribution Network with IIDG

YANG Liming, ZHOU Haoliang, ZHU Zhenhong

图6 特征信号注入后电网电压FFT结果