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含电压源换流器的交直流混联电网无功优化模型
引用本文:余秀月,宋少群,郭瑞鹏,赵川,林洁.含电压源换流器的交直流混联电网无功优化模型[J].电力系统保护与控制,2017,45(19):148-153.
作者姓名:余秀月  宋少群  郭瑞鹏  赵川  林洁
作者单位:国网福建电力调度控制中心,福建 福州 350003,国网福建电力调度控制中心,福建 福州 350003,浙江大学电气工程学院,浙江 杭州 310027,云南电力调度控制中心,云南 昆明 650011,广西电力调度控制中心,广西 南宁 530023
基金项目:国家自然科学基金项目(51377143)
摘    要:随着厦门柔性直流输电工程的建成投运,福建电网形成了以柔性直流输电通道与交流输电通道环网运行的交直流混联电网。为解决含柔性直流的交直流混联电网的无功优化控制问题,提出了一个含电压源换流器的无功优化模型,并采用分支定界法及原对偶内点法求解。所提模型及求解方法已在福建电网自动电压控制系统中进行了测试,实现了对辖区范围内机组、容抗器、有载调压抽头和电压源换流器等各类无功电压调节策略的在线实时优化计算,取得了较好的测试效果。

关 键 词:电压源换流器  交直流混联电网  无功优化  自动电压控制
收稿时间:2016/9/12 0:00:00
修稿时间:2016/11/18 0:00:00

Optimal reactive power flow model for AC/DC hybrid power grid with voltage source converters
YU Xiuyue,SONG Shaoqun,GUO Ruipeng,ZHAO Chuan and LIN Jie.Optimal reactive power flow model for AC/DC hybrid power grid with voltage source converters[J].Power System Protection and Control,2017,45(19):148-153.
Authors:YU Xiuyue  SONG Shaoqun  GUO Ruipeng  ZHAO Chuan and LIN Jie
Affiliation:State Grid Fujian Electric Power Dispatch & Control Center, Fuzhou 350003, China,State Grid Fujian Electric Power Dispatch & Control Center, Fuzhou 350003, China,College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China,Yunnan Electric Power Dispatch & Control Center, Kunming 650011, China and Guangxi Electric Power Dispatch & Control Center, Nanning 530023, China
Abstract:With the commissioning of Xiamen flexible HVDC transmission system, Fujian power grid has become an AC/DC hybrid power grid with voltage source converters. This paper presents an optimal reactive power flow model with voltage source converters, which is solved by branch and bound method and primal dual interior point method. The proposed model and related solving method have been tested on the automatic voltage control (AVC) system of Fujian power grid. The optimal control policies on generators, capacitors, reactors, OLTCs, and voltage source converters are calculated online, and the control performance is satisfactory. This work is supported by National Natural Science Foundation of China (No. 51377143).
Keywords:voltage source converter  AC/DC hybrid power grid  reactive optimal power flow  automatic voltage control
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