直流受端系统同步调相机容量自动优化配置方法  

An Automatic Capacity Optimization Method of the Synchronous Condenser for the DC Receiving-End System

作　　者：周宁 孟倩戎 张宇博 李程昊 张迪 杨松浩 郝治国[2] ZHOU Ning;MENG Qianrong;ZHANG Yubo;LI Chenghao;ZHANG Di;YANG Songhao;HAO Zhiguo(State Grid Henan Electric Power Research Institute,Zhengzhou 450000,Henan,China;Xi’an Jiaotong University,Xi’an 710049,Shaanxi,China)

机构地区：[1]国网河南省电力公司电力科学研究院,河南郑州450000 [2]西安交通大学,陕西西安710049

出　　处：《电网与清洁能源》2022年第12期86-94,共9页Power System and Clean Energy

基　　金：中国博士后基金面上项目(2021M692526);国网河南电网公司科技项目(52170220009W)。

摘　　要：多直流馈入受端电力系统面临严峻的电压稳定性挑战,在关键节点布置同步调相机,可以提供动态无功支撑,降低直流换相失败风险。该文研究提升直流受端系统电压稳定性的同步调相机容量自动优化配置方法。首先,以调相机经济成本及暂态电压跌落水平最小为优化目标,以直流换相失败风险为约束条件,建立同步调相机容量优化模型;其次,提出基于粒子群算法的优化求解方法,快速高效获得优化配置方案;再次,提出基于文件交互的Matlab/DigSilent联合仿真方法,实现优化问题的自动迭代计算;最终,通过仿真验证文中所提出的调相机容量优化配置方法的有效性和计算效率。The power system with multiple DC infeed receivers faces severe voltage stability challenges.The synchronous condenser arranged at key nodes can provide dynamic reactive power support and reduce the risk of DC commutation failure.This paper introduces an automatic capacity optimization of the synchronous condenser to improve the voltage stability of the DC receiver system.Firstly,the capacity optimization model of the synchronous condenser is established,with the minimum economic cost and the minimum transient voltage sag level as the optimization objectives,and with the risk of DC commutation failure as the constraint conditions.Secondly,the optimization method based on particle swarm optimization is proposed,which can obtain the optimization method quickly and efficiently.Thirdly,a Matlab/DigSilent cosimulation method based on file interaction is proposed to achieve automatic iterative calculation of optimization problems.Finally,the effectiveness and computational efficiency of the proposed method are verified by simulation.

关 键 词：同步调相机 容量优化 直流受端系统 电压稳定性 粒子群算法 Matlab/DigSilent联合仿真 

分 类 号：TM715[电气工程—电力系统及自动化]