交直流混合配电网电能质量综合检测和补偿方法

张敬安,王雷涛,王鹏

Power Quality Detection and Compensation Method of AC/DC Hybrid Distribution Network

Zhang Jingan,Wang Leitao,Wang Peng

图7 双环控制系统的奈奎斯特图

Fig.7 Nyquist diagram for double loop control system