多端柔性直流系统中配电电压下垂自动化控制系统  

Distribution Voltage Droop Automatic Control System in Multi-terminal Flexible DC System

作　　者：赵丽萍 李永刚 张志军 ZHAO Liping;LI Yonggang;ZHANG Zhijun(State Grid Jibei Electric Power Co.,Ltd.,Zhangjiakou 075000,China)

机构地区：[1]国网冀北电力有限公司,张家口075000

出　　处：《自动化与仪表》2024年第1期71-74,共4页Automation & Instrumentation

摘　　要：针对多端柔性直流系统安全稳定运行的问题,提出一种通过电压下垂控制结合潮流最优模型的控制方式。通过电压下垂控制进行交流侧有功功率的计算,以解决换流器产生的损耗与有功功率之间的耦合。经过分析验证,该方法能够提高电压下垂控制下潮流最优系统的适用性、有效性以及准确性。Aiming at the problem of safe and stable operation of multi-terminal flexible DC system,a control method combined with the optimal model of power flow through voltage droop control is proposed.The calculation of the active power on the AC side is carried out by the voltage droop control to solve the coupling between the loss generated by the converter and the active power.The analysis and verification show that the proposed method can improve the applicability,effectiveness and accuracy of the optimal system under voltage droop control.

关 键 词：多端柔性直流系统 雅可比矩阵 有功功率 潮流模型 电压下垂控制 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置] U237[自动化与计算机技术—控制科学与工程]