海上风电场无功配置优化方案

doi:10.11930/j.issn.1004-9649.201912153

中国电力 ›› 2020, Vol. 53 ›› Issue (11): 195-201.DOI: 10.11930/j.issn.1004-9649.201912153

海上风电场无功配置优化方案

杨源¹, 阳熹¹, 谭江平¹, 陈亮¹, 辛妍丽², 陈夏²

1. 中国能源建设集团广东省电力设计研究院有限公司，广东广州 510663;
2. 华南理工大学电力学院，广东广州 510640

收稿日期:2019-12-25 修回日期:2020-03-08 出版日期:2020-11-05 发布日期:2020-11-05
通讯作者: 国家自然科学基金资助项目(考虑变压器非线性高频特性的海上风电场内部过电压产生机理及暂态特征提取方法研究，51477054)
作者简介:杨源(1990—)，男，工程师，硕士，从事海上风电场设计研究，E-mail：yangyuan@gedi.com.cn
基金资助:
This work is supported by National Natural Science Foundation of China (Research on Internal Overvoltage Generation Mechanism and Transient Feature Extraction Method of Offshore Wind Farm Considering Transformer Nonlinear High Frequency Characteristics, No.51477054)

Optimization of Reactive Power Configuration for Offshore Wind Farms

YANG Yuan¹, YANG Xi¹, TAN Jiangping¹, CHEN Liang¹, XIN Yanli², CHEN Xia²

1. China Energy Engineering Group Guangdong Electric Power Design Institute Co., Ltd., Guangzhou 510663, China;
2. School of Electric Power Engineering, South China University of Technology, Guangzhou 510640, China

Received:2019-12-25 Revised:2020-03-08 Online:2020-11-05 Published:2020-11-05

摘要/Abstract

摘要： 根据海上风电场无功配置原则，分析包含风电机组、海缆、主变压器的海上风电场无功损耗。在满足无功补偿及工频过电压要求的情况下，应尽可能提高并联电抗器容量，从而给出并联电抗器和动态无功补偿装置SVG的配置优化方案。研究结果表明：当220 kV海缆长度增加和风电机组出力减少时，海上风电场容性无功会增加。当220 kV海缆长度增加时，海上风电场空载过电压、甩负荷过电压及单相接地故障过电压会增加。最后，基于某实际案例，给出并联电抗器和SVG装置的最优容量。所提方法简单实用，经济可行，可应用于工程实践。

关键词: 海上风电场, 无功配置优化, 工频过电压, 并联电抗器, 动态无功补偿装置

Abstract: According to the reactive power configuration principles of offshore wind farms, this paper analyzes the reactive power losses of offshore wind farms, mainly consisting of wind turbines, submarine cables and main transformers. Under the condition of meeting the requirements of reactive power compensation and power-frequency overvoltage, the capacity of the shunt reactor should be increased as much as possible to obtain the optimal configuration scheme of the shunt reactor and the dynamic reactive power compensation device SVG. Research results show that when the length of the 220 kV submarine cable increases and the wind turbine output decreases, the capacitive reactive power of the offshore wind farm will increase; When the length of the 220 kV submarine cable increases, the no-load overvoltage, the load rejection overvoltage, the single-phase ground fault overvoltage of the offshore wind farm will increase. Finally, based on a real case, the optimal capacity of the shunt reactor and the SVG were obtained. The proposed method is simple, practical and economically feasible, and can be applied in the practical engineering.

Key words: offshore wind farm, reactive power configuration optimization, power-frequency overvoltage, shunt reactor, dynamic reactive power compensation device

杨源, 阳熹, 谭江平, 陈亮, 辛妍丽, 陈夏. 海上风电场无功配置优化方案[J]. 中国电力, 2020, 53(11): 195-201.

YANG Yuan, YANG Xi, TAN Jiangping, CHEN Liang, XIN Yanli, CHEN Xia. Optimization of Reactive Power Configuration for Offshore Wind Farms[J]. Electric Power, 2020, 53(11): 195-201.

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海上风电场无功配置优化方案

Optimization of Reactive Power Configuration for Offshore Wind Farms

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海上风电场无功配置优化方案

Optimization of Reactive Power Configuration for Offshore Wind Farms

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