1. State Grid Hubei Electric Power Research Institute Wuhan 430077 China; 2. State Key Laboratory of Advanced Electromagnetic Engineering and Technology Huazhong University of Science and Technology Wuhan 430074 China
Abstract With the new energy sources are connected to the distribution system, the network structure of the traditional radiation distribution system with single source has been fundamentally changed. In addition, the complicated fault current characteristics and diversified power generation mode of the new energy sources brings many new problems and challenges to the traditional relaying protection and setting calculation on the distribution system. In this paper, the influence of the new energy sources for the current protection of the distribution network is analyzed. Based on this, the forward, reverse and isolated island reverse fault trip matrix are established based on regional information. The influence of “bus” fault, fault of line and DFIG crowbar protection are also considered. Then, the new principle of networked protection in the distribution system with new energy sources is proposed. Finally, simulation examples verify the theoretical analysis results.
Xiao Fan,Xia Yongjun,Zhang Kanjun等. Research on a Principle of Networked Protection in Distribution Network with Renewable Energy Sources[J]. Transactions of China Electrotechnical Society, 2019, 34(zk2): 709-719.
[1] 雷金勇, 黄伟, 夏翔, 等. 考虑相间短路影响的分布式电源准入容量计算[J]. 电力系统自动化, 2008, 32(3): 82-86. Lei Jinyong, Huang Wei, Xia Xiang, et al.Estimation of the shortest radius of power system voltage security region in node injection space[J]. Automation of Electric Power Systems, 2008, 32(3): 82-86. [2] El-Khattam W, Sidhu T S.Restoration of directional overcurrent relay coordination in distributed generation systems utilizing fault current limiter[J]. IEEE Transa- ctions on Power Delivery, 2008, 23(2): 576-585. [3] Park W, Sung B C, Song K, et al.Parameter optimization of SFCL with wind-turbine generation system based on its protective coordination[J]. IEEE Transactions on Applied Superconductivity, 2011, 21(32): 2153-2156. [4] 张艳霞, 代凤仙. 含分布式电源配电网的馈线保护新方案[J]. 电力系统自动化, 2009, 33(12): 71-74. Zhang Yanxia, Dai Fengxian.New schemes of feeder protection for distribution networks including distributed generation[J]. Automation of Electric Power Systems, 2009, 33(12): 71-74. [5] 朱玲玲, 李长凯, 张华中, 等. 含分布式电源的配电网方向过流保护[J]. 电网技术, 2009, 33(14): 94-98. Zhu Lingling, Li Changkai, Zhang Huazhong.Dire- ctionalovercurrent protection for distribution systems containing distributed generation[J]. Power System Technology, 2009, 33(14): 94-98. [6] 洪树斌, 范春菊, 陈实. 考虑双馈异步风机特性的自适应接地距离保护[J]. 电工技术学报, 2017, 32(5): 124-133. Hong Shubin, Fan Chunju, Chen Shi.Adaptive ground distance protection considering doubly-fed induction generator characteristics[J]. Transactions of China Electrotechnical Society, 2017, 32(5): 124-133. [7] 马静, 王希, 米超, 等. 含分布式电源的配电网自适应保护新方法[J]. 电网技术, 2011, 35(10): 204-208. Ma Jing, Wang Xi, Mi Chao, et al.A new adaptive protection approach for distribution network containing distributed generation[J]. Power System Technology, 2011, 35(10): 204-208. [8] 陈晓龙, 李永丽, 谭会征, 等. 含逆变型分布式电源的配电网自适应正序电流速断保护[J]. 电力系统自动化, 2015, 39(9): 107-112. Chen Xiaolong, Li Yongli, Tan Huizheng, et al.An adaptive instaneous trip protection based on positive- sequence current for distribution network with IBDG[J]. Automation of Electric Power Systems, 2015, 39(9): 107-112. [9] 文娟. 含分布式电源的复杂配电网多阶段故障恢复方法[J]. 电工技术学报, 2018, 33(14): 3332-3341. Wen Juan.A multi-stage service restoration method for complex distribution networks with distributed generators[J]. Transactions of China Electrotechnical Society, 2018, 33(14): 3332-3341. [10] Nikolaidis V C, Papanikolaou E, Safigianni A S.A communication-assisted overcurrent protection scheme for radial distribution systems with distributed generation[J]. IEEE Transactions on Smart Grid, 2016, 7(1): 114-123. [11] 丛伟, 潘贞存, 王成山, 等. 含高渗透率DG的配电系统区域纵联保护方案[J]. 电力系统自动化, 2009, 33(10): 81-85. Cong Wei, Pan Zhencun, Wang Chengshan, et al.Locating method of short-circuit point for trans- mission lines under lightning stroke fault[J]. Auto- mation of Electric Power Systems, 2009, 33(10): 81-85. [12] Coffele F, Booth C, Dysko A.An adaptive over- current protection scheme for distribution networks[J]. IEEE Transactions on Power Delivery, 2015, 30(2): 561-568. [13] 林霞, 陆于平, 王联合. 分布式发电条件下的多电源故障区域定位新方法[J]. 电工技术学报, 2008, 23(11): 139-145. Lin Xia, Lu Yuping, Wang Lianhe.New fault region location scheme in distribution system with DGs[J]. Transactions of China Electrotechnical Society, 2008, 23(11): 139-145. [14] 吴宁, 许扬, 陆于平. 分布式发电条件下配电网故障区段定位新算法[J]. 电力系统自动化, 2009, 33(14): 77-82. Wu Ning, Xu Yang, Lu Yuping.New fault section location algorithm for distribution network with DG[J]. Automation of Electric Power Systems, 2009, 33(14): 77-82. [15] 许偲轩, 陆于平. 电流相位变化量纵联保护方案[J]. 电工技术学报, 2016, 31(16): 198-206. Xu Sixuan, Lu Yuping.The current phase variation pilot protection method[J]. Transactions of China Electrotechnical Society, 2016, 31(16): 198-206. [16] 贾浩帅, 郑涛, 赵萍, 等. 基于故障区域搜索的配电网故障定位算法[J]. 电力系统自动化, 2012, 36(17): 62-66. Jia Haoshuai, Zheng Tao, Zhao Ping, et al.Fault location algorithm for distribution system based on fault region searching[J]. Automation of Electric Power Systems, 2012, 36(17): 62-66. [17] 李乃永, 梁军, 赵义术, 等. 考虑分布式电源随机性的配电网保护方案[J]. 电力系统自动化, 2011, 35(19): 33-38. Li Naiyong, Liang Jun, Zhao Yishu, et al.Protection schemes for distribution network considering the randomness of distributed generations[J]. Automation of Electric Power Systems, 2011, 35(19): 33-38. [18] Sortomme E, Venkata S S, Mitra J.Microgrid protection using communication-assisted digital relays[J]. IEEE Transactions on Power Delivery, 2010, 25(4): 2789-2796. [19] Ustun T S, Ozansoy C, Zayegh A.Fault current coefficient and time delay assignment for microgrid protection system with central protection unit[J]. IEEE Transactions on Power Systems, 2013, 28(2): 598-606. [20] Ustun T S, Ozansoy C, Zayegh A.Modeling of a centralized microgrid protection system and distri- buted energy resources according to IEC 61850- 7-420[J]. IEEE Transactions on Power Systems, 2012, 27(3): 1560-1567. [21] Ustun T S, Khan R H.Multiterminal hybrid pro- tection of microgrids over wireless communications network[J]. IEEE Transactions on Smart Grid, 2015, 6(5): 2493-2500. [22] 沈鑫, 曹敏. 分布式发电接入主动配电网区域保护算法[J]. 电工技术学报, 2015, 30(1): 352-357. Shen Xin, Cao Min.Research on regional protection algorithm of distributed generation integration to active distribution network[J]. Transactions of China Electrotechnical Society, 2015, 30(1): 352-357. [23] 马静. 基于保护动作信号的配电网区域保护方案[J]. 电力自动化设备, 2018, 38(3): 34-41. Ma Jing.Regional protection scheme of distribution network based on operating signal of protection[J]. Electric Power Automation Equipment, 2018, 38(3): 34-41. [24] 肖伟栋, 夏明超, 唐念. 考虑多DG接入的配电网区域保护新方案[J]. 电力系统保护与控制, 2014, 42(9): 103-109. Xiao Weidong, Xia Mingchao, Tang Nian.A new regional protection scheme for distribution network considering the introduction of multi-DGs[J]. Power System Protection and Control, 2014, 42(9): 103-109. [25] 肖繁, 张哲, 尹项根. 智能配电网EPON系统改进加权动态带宽分配算法及时延特性研究[J]. 中国电机工程学报, 2015, 35(12): 3037-3046. Xiao Fan, Zhang Zhe, Yin Xianggen.Study on an improved weighted IPACT algorithm and delay characteristics for EPONs in smart distribution networks[J]. Proceedings of the CSEE, 2015, 35(12): 3037-3046. [26] 徐光福. 基于EPON通信的智能配电网馈线差动保护[J]. 电力系统自动化, 2014, 38(2): 91-96. Xu Guangfu.Feeder differential protection based on EPON communication for smart distribution net- works[J]. Automation of Electric Power Systems, 2014, 38(2): 91-96. [27] 国家电网公司. QGDW 11199-2014 分布式电源继电保护和安全自动装置通用技术条件[S]. 北京: 中国电力出版社, 2014. [28] 国家电网公司. QGDW 1110-2014 接入分布式电源的配电网继电保护和安全自动装置技术规范[S]. 北京: 中国电力出版社, 2014. [29] 熊飞, 吴俊勇, 郝亮亮, 等. 不对称电压跌落下逆变电源的多目标控制策略[J]. 电工技术学报, 2017, 32(1): 107-116. Xiong Fei, Wu Junyong, Hao Liangliang, et al.Multi-objective control strategies of grid interface inverter under unbalanced voltage sags[J]. Transa- ctions of China Electrotechnical Society, 2017, 32(1): 107-116. [30] 肖繁, 张哲, 尹项根. 双馈型电源短路电流统一解析方法及特性分析研究[J]. 电工技术学报, 2018, 33(14): 3319-3331. Xiao Fan, Zhang Zhe, Yin Xianggen.Study on unifiedanalysis method and characteristics in fault currents of doubly-fed induction generators[J]. Transactions of China Electrotechnical Society, 2018, 33(14): 3319-3331. [31] 肖繁, 张哲, 尹项根, 等. 含双馈风力发电机组的电力系统故障计算方法研究[J]. 电工技术学报, 2016, 31(1): 14-23. Xiao Fan, Zhang Zhe, Yin Xianggen, et al.The fault calculation method of power systems including doubly-fed induction generators[J]. Transactions of China Electrotechnical Society, 2016, 31(1): 14-23. [32] 孔祥平, 张哲, 尹项根, 等. 计及撬棒保护影响的双馈风力发电机组故障电流特性研究[J]. 电工技术学报, 2015, 30(8): 1-10. Kong Xiangping, Zhang Zhe, Yin Xianggen, et al.Study on the fault current characteristics of DFIG with consideration of the Impact of crowbar pro- tection[J]. Transactions of China Electrotechnical Society, 2015, 30(8): 1-10.
2019, Vol. 34 
