赵继超,钱康,许文超,孙纯军,王海潜

• 1:江苏省电力设计院
• 2:南京市分布式电源接入及应用工程技术研究中心
• 3:江苏省电力公司电力经济技术研究院

摘要(Abstract)：

该文提出一种风光联合并网引起电压随机波动的概率评估方法。该方法考虑风电、光伏出力的相关性,基于Copula理论处理风光联合系统出力的不确定性;计及电网元件的可用度,利用戴维南概率等值描述电网的运行状态。考虑风光联合系统出力的不确定性和电网的运行状态,估计PCC点的电压偏差及其发生的概率。算例分析表明,所提方法是可行的,风电、光伏之间的互补性有助于改善风光联合并网引起的电压随机波动。

关键词(KeyWords)： 风光联合系统;电压波动;戴维南等值;电压质量

Abstract:

Keywords:

基金项目(Foundation): 江苏省电力设计院科技项目(CEEC12-KJ09)

作者(Author): 赵继超,钱康,许文超,孙纯军,王海潜

参考文献(References)：

• [1]高明杰,惠东,高宗和,等(Gao Mingjie,Hui Dong,Gao Zonghe,et al).国家风光储输示范工程介绍及其典型运行模式分析(Presentation of national wind/photovoltaic/energy storage and transmission demonstration project and analysis of typical operation modes)[J].电力系统自动化(Automation of Electric Power Systems),2013,37(1):59-64.
• [2]钱康,许文超,孙纯军,等(Qian Kang,Xu Wenchao,Sun Chunjun,et al).风光联合并网的无功控制策略(Reactive power control strategy of grid-connection for the wind-PV hybrid system)[J].电力系统及其自动化学报(Proceedings of the CSU-EPSA),2014,26(1):28-33.
• [3]吴义纯,丁明(Wu Yichun,Ding Ming).风电引起的电压波动与闪变的仿真研究(Simulation study on voltage fluctuations and flicker caused by wind farms)[J].电网技术(Power System Technology),2009,33(20):125-130.
• [4]朱星阳,张建华,刘文霞,等(Zhu Xingyang,Zhang Jianhua,Liu Wenxia,et al).风电并网引起电网电压波动的评价方法及应用(Evaluation methodology and its application of voltage fluctuation in power network caused by interconnected wind power)[J].电工技术学报(Transactions of China Electrotechnical Society),2013,28(5):88-98.
• [5]别朝红,刘辉,李甘,等(Bie Zhaohong,Liu Hui,Li Gan,et al).含风电场电力系统电压波动的随机潮流计算与分析(Voltage fluctuation of a power system with wind farms integrated by probabilistic load flow)[J].西安交通大学学报(Journal of Xi’an Jiaotong University),2008,42(12):1500-1505.
• [6]牛焕娜,黄秀琼,蔡壮,等(Niu Huanna,Huang Xiuqiong,Cai Zhuang,et al).含风力发电的电力系统电压越限概率评估(Probabilistic evaluation of voltage limit violations of power system with wind power generators integrated)[J].电力系统保护与控制(Power System Protection and Control),2012,40(18):1-6.
• [7]Zhang S,Tseng K J,Choi S S.Statistical voltage quality assessment method for grids with wind power generation[J].IET Renewable Power Generation,2010,4(1):43-54.
• [8]Haghi H V,Bina M T,Golkar M A,et al.Using Copulas for analysis of large datasets in renewable distributed generation:PV and wind power integration in Iran[J].Renewable Energy,2010,35(9):1991-2000.
• [9]赵继超,袁越,傅质馨,等(Zhao Jichao,Yuan Yue,Fu Zhixin,et al).基于Copula理论的风光互补发电系统可靠性评估(Reliability assessment of wind-PV hybrid generation system based on Copula theory)[J].电力自动化设备(Electric Power Automation Equipment),2013,33(1):124-129.
• [10]李强(Li Qiang).储能技术在风电能量管理与电能质量中的应用(Research on Application of Energy Storage Technology in Energy Management and Power Quality of Wind Power)[D].南京:河海大学能源与电气学院(Nanjing:College of Energy and Electrical Engineering of Hohai University),2010.
• [11]Akhmatov V,Nielsen A H.A small test model of the transmission grid with a large offshore wind farm for education and research at Technical University of Denmark[C]//IEEE/PES Power Systems Conference and Exposition,Atlanta,USA,2006.