含电压源换流器的交直流混联电网无功优化模型

余秀月; 宋少群; 郭瑞鹏; 赵川; 林洁

引用本文:	余秀月,宋少群,郭瑞鹏,等.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.
	YU Xiuyue,SONG Shaoqun,GUO Ruipeng,et al.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

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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
余秀月¹,宋少群¹,郭瑞鹏²,赵川³,林洁⁴
(1.国网福建电力调度控制中心，福建福州 350003;2.浙江大学电气工程学院，浙江杭州 310027; 3.云南电力调度控制中心，云南昆明 650011;4.广西电力调度控制中心，广西南宁 530023)

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

DOI：10.7667/PSPC161510

分类号:

基金项目:国家自然科学基金项目(51377143)

Optimal reactive power flow model for AC/DC hybrid power grid with voltage source converters

YU Xiuyue¹,SONG Shaoqun¹,GUO Ruipeng²,ZHAO Chuan³,LIN Jie⁴

(1. State Grid Fujian Electric Power Dispatch & Control Center, Fuzhou 350003, China;2. College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China;3. Yunnan Electric Power Dispatch & Control Center, Kunming 650011, China;4. 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).

Key words: voltage source converter AC/DC hybrid power grid reactive optimal power flow automatic voltage control

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