含分布式电源配电网故障区段定位的线性整数规划方法Fault Section Location Method for DG-DNs Based on Integer Linear Programming
何瑞江;胡志坚;李燕;王天一;
摘要(Abstract):
分布式电源接入配电网造成故障过流方向不唯一,导致传统的故障区段定位方法不再适用。针对含分布式电源配电网的故障区段定位问题,构建了基于非逻辑运算的开关函数,针对智能算法易陷入局部最优或收敛过快的不足,提出了含分布式电源配电网故障区段定位的线性规划模型和求解方法。所提方法可适应多个分布式电源投切和联络开关的开断变化,且具有一定的容错性能。仿真结果表明,所提故障区段定位方法定位准确可靠,适用于含分布式电源的大型配电网。相比于智能算法求解速度快,数值稳定性好,避免了收敛过快和陷入局部最优的问题。
关键词(KeyWords): 分布式电源;配电网;故障区段定位;开关函数
基金项目(Foundation):
作者(Author): 何瑞江;胡志坚;李燕;王天一;
Email:
DOI: 10.13335/j.1000-3673.pst.2018.0612
参考文献(References):
- [1]Firouz Y,Farhadkhani S,Salim R,et al.Numerical comparison of the effects of different types of distributed generation units on overcurrent protection systems in MV distribution grids[J].Renewable Energy,2014(69):271-283.
- [2]Brahma S M.Fault location in power distribution system with penetration of distributed generation[J].IEEE Transactions on Power Delivery,2011,26(3):1545-1553.
- [3]Alwash S F,Ramachandaramurthy V K,Mithulananthan N.Faultlocation scheme for power distribution system with distributed generation[J].IEEE Transactions on Power Delivery,2015,30(3):1187-1195.
- [4]Shen S,Lin D,Wang H,et al.An adaptive protection scheme for distribution systems with DGs based on optimized Thevenin equivalent parameters estimation[J].IEEE Transactions on Power Delivery,2017,32(1):411-419.
- [5]Santos W C,Lopes F V,Brito N S D,et al.High-impedance fault identification on distribution networks[J].IEEE Transactions on Power Delivery,2017,32(1):23-32.
- [6]梁有伟,胡志坚,陈允平.分布式发电及其在电力系统中的应用研究综述[J].电网技术,2003,27(12):71-75.Liang Youwei,Hu Zhijian,Chen Yunping.A survey of distributed generation and its application in power system[J].Power System Technology,2003,27(12):71-75(in Chinese).
- [7]王成山,王丹,周越.智能配电系统架构分析及技术挑战[J].电力系统自动化,2015,39(9):2-9.Wang Chengshan,Wang Dan,Zhou Yue.Framework analysis and technical challenges to smart distribution system[J].Automation of Electric Power Systems,2015,39(9):2-9(in Chinese).
- [8]许轩,陆于平.含DG配电网电流幅值差异化保护方案[J].电工技术学报,2015,30(18):164-170.Xu Xuan,Lu Yuping.Current amplitude differential protection for distribution system with DG[J].Transactions of China Electrotechnical Society,2015,30(18):164-170(in Chinese).
- [9]杜红卫,孙雅明,刘弘靖,等.基于遗传算法的配电网故障定位和隔离[J].电网技术,2000,24(5):52-55.Du Hongwei,Sun Yaming,Liu Hongjing,et al.Fault section diagnosis and isolation of distribution networks based on genetic algorithm[J].Power System Technology,2000,24(5):52-55(in Chinese).
- [10]卫志农,何桦,郑玉平.配电网故障区间定位的高级遗传算法[J].中国电机工程学报,2002,22(4):127-130.Wei Zhinong,He Hua,Zheng Yuping.A refined genetic algorithm for the fault sections location[J].Proceedings of the CSEE,2002,22(4):127-130(in Chinese).
- [11]蒋秀洁,熊信银,吴耀武,等.改进矩阵算法及其在配电网故障定位中的应用[J].电网技术,2004,28(19):60-63.Jiang Xiujie,Xiong Xinyin,Wu Yaowu,et al.Improved matrix algorithm and its application in fault location of distribution network[J].Power System Technology,2004,28(19):60-63(in Chinese).
- [12]王进强.含分布式电源的配电网故障定位的应用研究[D].广州:广东工业大学,2011.
- [13]刘鹏程,李新利.基于多种群遗传算法的含分布式电源的配电网故障区段定位算法[J].电力系统保护与控制,2016,44(2):36-41.Liu Pengcheng,Li Xinli.Fault-section location of distribution network containing distributed generation based on the multiplepopulation genetic algorithm[J].Power System Protection and Control,2016,44(2):36-41(in Chinese).
- [14]周湶,郑柏林,廖瑞金,等.基于粒子群和差分进化算法的含分布式电源配电网故障区段定位[J].电力系统保护与控制,2013,41(4):33-37.Zhou Quan,Zheng Bolin,Liao Ruijin,et al.Fault section location for distribution networks with DG based on a hybrid algorithm of particle swarm optimization and differential evolution[J].Power System Protection and Control,2013,41(4):33-37(in Chinese).
- [15]郭壮志,徐其兴,洪俊杰,等.配电网快速高容错性故障定位的线性整数规划方法[J].中国电机工程学报,2017,37(3):786-794.Guo Zhuangzhi,Xu Qixing,Hong Junjie,et al.Integer linear programming based fault section diagnosis method with high fault-tolerance and fast performance for distribution network[J].Proceedings of the CSEE,2017,37(3):786-794(in Chinese).
- [16]许偲轩,陆于平,章侦,等.分布式发电配电网新型充分式保护原理及方案[J].电网技术,2014,38(9):2532-2537.Xu Sixuan,Lu Yuping,Zhang Zhen,et al.Principle and implementation of novel sufficient criterion protection for distribution network with distributed generation[J].Power System Technology,2014,38(9):2532-2537(in Chinese).