A Method for Measuring the Zero Sequence Distributed Parameters of Quadruple-Circuit Non-Full-Line Parallel Transmission Lines
Gao Mingxin1, Hu Zhijian1, Ni Shiyuan2, Zhang Zhiyi1, Mou Hongjiang1
1. School of Electrical Engineering and Automation Wuhan University Wuhan 430072 China; 2. Institute of Economic and Technology State Grid Fujian Electric Power Co. Ltd Fuzhou 350012 China
Abstract With the development of power systems, the transmission corridors are becoming narrower, and it is very common for quadruple-circuit lines to share a part of the corridor. There is no corresponding line distributed parameter measurement method. This paper proposes an accurate measurement method for the distribution parameters of quadruple-circuit non-full-line parallel lines, establishes a non-uniform transmission line model of quadruple-circuit non-full-line parallel lines, and obtains the transmission matrix of the quadruple-circuit lines completely through Laplace transform. In addition, the mathematical expressions between the line parameters and the voltages, currents of the heads and ends of the lines are obtained. The zero-sequence voltages and currents of the first end and last end of the quadruple-circuit non-full-line parallel lines are simultaneously measured under four independent measurement modes, and are substituted into the proposed calculation formulae to solve 24 zero-sequence distributed parameters. The accuracy of the proposed method is verified by PSCAD simulation software. Compared with the existing measurement methods, the simulation results show that the proposed method has higher measurement accuracy than the existing methods.
Gao Mingxin,Hu Zhijian,Ni Shiyuan等. A Method for Measuring the Zero Sequence Distributed Parameters of Quadruple-Circuit Non-Full-Line Parallel Transmission Lines[J]. Transactions of China Electrotechnical Society, 2022, 37(6): 1351-1364.
[1] 李少岩, 任乙沛, 顾雪平, 等. 基于短路电流约束显式线性建模的输电网结构优化[J]. 电工技术学报, 2020, 35(15): 3292-3302. Li Shaoyan, Ren Yipei, Gu Xueping, et al.Optimization of transmission network structure based on explicit linear modeling of short circuit current constraints[J]. Transactions of China Electrotechnical Society, 2020, 35(15): 3292-3302. [2] 龚仁敏, 刘宇, 王德林, 等. 一种混压同塔四回线路跨电压故障的通用计算方法[J]. 电力系统自动化, 2019, 43(12): 172-179. Gong Renmin, Liu Yu, Wang Delin, et al.A general calculation method for cross-voltage fault on mixedvoltage four-circuit line on the same tower[J]. Automation of Electric Power Systems, 2019, 43(12): 172-179. [3] 陈玉, 文明浩, 王祯, 等. 基于低频电气量的超高压交流线路出口故障快速保护[J]. 电工技术学报, 2020, 35(11): 2415-2426. Chen Yu, Wen Minghao, Wang Zhen, et al.A high speed protection scheme for outgoing line fault of HVAC transmission lines based on low frequency components[J]. Transactions of China Electrotechnical Society, 2020, 35(11): 2415-2426. [4] 郑涛, 吴丹, 张嘉琴, 等. 混压同塔四回线强电弱磁系统跨电压不接地故障短路计算[J]. 电力系统自动化, 2017, 41(15): 155-161. Zheng Tao, Wu Dan, Zhang Jiaqin, et al.Short-circuit calculation of cross-voltage unearthed fault in strong-electric and weak-magnetic system of mixed-voltage four-circuit lines on the same tower[J]. Automation of Electric Power Systems, 2017, 41(15): 155-161. [5] 贾科, 赵其娟, 冯涛, 等. 柔性直流配电系统高频突变量距离保护[J]. 电工技术学报, 2020, 35(2): 383-394. Jia Ke, Zhao Qijuan, Feng Tao, et al.High-frequency fault component distance protection for flexible DC distribution system[J]. Transactions of China Electrotechnical Society, 2020, 35(2): 383-394. [6] 刘树鑫, 卓裕, 李津, 等. 基于微型同步相量单元数据的配电线路故障测距方法[J]. 电气技术, 2020, 21(10): 63-70. Liu Shuxin, Zhuo Yu, Li Jin, et al.Distribution line fault location method based on micro-synchronous phasor unit data[J]. Electrical Technology, 2020, 21(10): 63-70. [7] Eduardo C M C, Sergio K. Estimation of transmission line parameters using multiple methods[J]. Generation Transmission & Distribution Iet, 2015, 9(16): 2617-2624. [8] Wang Yang, Xu W.Algorithms and field experiences for estimating transmission line parameters based on fault record data[J]. IET Generation Transmission & Distribution, 2015, 9(13): 1773-1781. [9] 倪识远, 胡志坚, 傅晨宇. 单回不对称输电线路分布参数的测量方法[J]. 电工技术学报, 2018, 33(5): 1086-1095. Ni Shiyuan, Hu Zhijian, Fu Chenyu.A method for measuring the distributed parameters of single-circuit asymmetric transmission line[J]. Transactions of China Electrotechnical Society, 2018, 33(5): 1086-1095. [10] 刘欣, 黄少锋, 张鹏, 等. 混压同塔线路跨电压不接地短路时低压系统过电压计算[J]. 电力自动化设备, 2018, 38(1): 116-120. Liu Xin, Huang Shaofeng, Zhang Peng, et al.Over-voltage calculation of low-voltage system for mixedvoltage on same tower transmission lines under unearthed cross-voltage fault[J]. Electric Power Automation Equipment, 2018, 38(1): 116-120. [11] 刘云鹏, 黄世龙, 陈思佳, 等. 同塔四回750kV六层横担输电线路电晕损失研究[J]. 高电压技术, 2019, 45(4): 1118-1123. Liu Yunpeng, Huang Shilong, Chen Sijia, et al.Corona loss of 750kV four-circuit lines with six-layer cross-arms on the same tower[J]. High Voltage Technology, 2019, 45(4): 1118-1123. [12] Halim S A, Bakar A H A, Illias H A, et al. Lightning back flashover tripping patterns on a 275/132kV quadruple circuit transmission line in Malaysia[J]. IET Science Measurement Technology, 2016, 10(4): 344-354. [13] 黄学良, 王瑜, 闻枫. 1000kV/500kV同杆混压四回输电线路电磁环境影响因素及优化措施分析[J]. 高电压技术, 2015, 41(11): 3642-3650. Huang Xueliang, Wang Yu, Wen Feng.Electromagnetic environment influence factors of quadruplecircuit transmission line with 1000kV/500kV dual voltage on the same tower and optimization measures analysis[J]. High Voltage Technology, 2015, 41(11): 3642-3650. [14] 李建明, 朱康. 高压电气设备试验方法[M]. 2版. 北京: 中国电力出版社, 2001. [15] 梁志瑞, 牛胜锁, 靳楠. 交流输电线路参数测量现状及发展趋势[J]. 电力系统自动化, 2017, 41(11): 181-191. Liang Zhirui, Niu Shengsuo, Jin Nan.Current status and development trend of AC transmission line parameter measurement[J]. Automation of Electric Power Systems, 2017, 41(11): 181-191. [16] Hu Zhijian, Xiong Min, Shang Haozhi, et al.Antiinterference measurement methods of the coupled transmission-line capacitance parameters based on the harmonic components[J]. IEEE Transactions on Power Delivery, 2016, 31(6): 2464-2472. [17] Dasgupta K, Soman S A.Estimation of zero sequence parameters of mutually coupled transmission lines from synchrophasor measurements[J]. IET Generation, Transmission & Distribution, 2017, 11(14): 3539-3547. [18] 肖遥, 邓军, 范毅, 等. 同塔四回交流输电线路零序参数的解耦测量[J]. 南方电网技术, 2016, 10(1): 54-59. Xiao Yao, Deng Jun, Fan Yi, et al.Decoupling measurement of zero sequence parameters for fourcircuit AC transmission lines on same tower[J]. Southern Power System Technology, 2016, 10(1): 54-59. [19] 邓军, 肖遥, 郝艳捧. 新型同塔双回高压直流输电线路分布参数测量方法及工程应用[J]. 电力自动化设备, 2016, 36(3): 154-158. Deng Jun, Xiao Yao, Hao Yanpeng.Measuring of distributed parameter and its application for dual-loop HVDC transmission lines on same tower[J]. Electric Power Automation Equipment, 2016, 36(3): 154-158. [20] 胡志坚, 倪识远. 同塔四回线路分布参数的测量[J]. 电工技术学报, 2018, 33(3): 563-572. Hu Zhijian, Ni Shiyuan.A new approach to measure the distributed parameters of quadruple-circuit transmission lines[J]. Transactions of China Electrotechnical Society, 2018, 33(3): 563-572. [21] 倪识远, 胡志坚, 杨安琪, 等. 混压同塔四回输电线路零序参数测量方法[J]. 电工技术学报, 2018, 33(11): 2468-2478. Ni Shiyuan, Hu Zhijian, Yang Anqi, et al.An approach for measuring the zero sequence parameters of mix-voltage quadruple-circuit transmission lines on one tower[J]. Transactions of China Electrotechnical Society, 2018, 33(11): 2468-2478. [22] 于仲安, 毕俊强, 郭培育, 等. 同塔四回输电线路故障选线新方案[J]. 电力自动化设备, 2019, 39(11): 127-132. Yu Zhongan, Bi Junqiang, Guo Peiyu, et al.New fault line selection scheme for four-circuit transmission lines on same tower[J]. Electric Power Automation Equipment, 2019, 39(11): 127-132. [23] 胡志坚, 熊敏, 李岩.超高压同塔四回交流/双回双极直流线路零序参数测量法: 中国, 2014101270258[P]. 2014. [24] Asprou M, Kyriakides E, Albu M M.Uncertainty bounds of transmission line parameters estimated from synchronized measurements[J]. IEEE Transactions on Instrumentation and Measurement, 2019, 68(8): 2808-2818.
2022, Vol. 37 
