Analysis and Optimization of Short-Circuit Calculation Method in CSG Based on IEC60909

doi:10.11930/j.issn.10.11930.2015.10.90

Abstract

Abstract: With sustained growth of load and improvement of power-grid, short-circuit current is close to upper limit, which is a key factor to operation security of China Southern Power Grid (CSG). Compared with actual measurement, short-circuit current calculation in existing method is on optimistic side, which brings difficulty to power operation mode arrangement. Based on IEC60909 and GB/T 15544 standard, short circuit current calculation results in CSG are compared with results from methods used in other corporations. The main impacting factors of short-circuit current calculation are analyzed on summer-peak load operation mode of CSG in 2013. With consideration of different requirement including accuracy, conservation and equipment capacity, the improvement measure of short-circuit current calculation in CSG is proposed.

Key words: short-circuit current calculation, method, factor, improvement, compare, CSG, accuracy, conservation

CLC Number:

TM771

WANG Haohuai, TANG Bao, LIU Miao, ZHANG Yutong. Analysis and Optimization of Short-Circuit Calculation Method in CSG Based on IEC60909[J]. journal1, 2015, 48(10): 90-96.

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URL: https://www.electricpower.com.cn/EN/10.11930/j.issn.10.11930.2015.10.90

https://www.electricpower.com.cn/EN/Y2015/V48/I10/90

References

[1] 中国南方电网2013年运行方式[R]．广州：中国南方电网公司，2013．
[2] 中国南方电网2013年迎峰度夏系统运行方案[R]．广州：中国南方电网公司，2013．
[3] 阮前途．上海电网短路电流控制的现状与对策[J]．电网技术，2005，29（2）：78－83．
RUAN Qiantu. Present situation of short circuit current control in Shanghai power grid and countermeasures[J]. Power System Technology, 2005, 29(2): 78-83.
[4] 周坚，胡宏，庄侃沁，等．华东500 kV电网短路电流分析及其限制措施探讨[J]. 华东电力，2006，34（7）：54－58.
ZHOU Jian, HU Hong, ZHUANG Kanqin, et al. Short-circuit current of 500 kV East China power grid and its limitation [J].East China Electric Power, 2006，34(7): 54-58
[5] 王非，李群炬．京津唐电网限制短路电流问题探讨[J]. 华北电力技术，2007（4）：54－58.
WANG Fei, LI Qunju. Short-circuit current control for Beijing- Tianjin-Tangshan Grid[J]. North China Electric Power, 2007(4):54-58.
[6] 广东电网2013年运行方式[R]．广州：广东电网公司，2013．
[7] 广东电网2013年迎峰度夏系统运行方案[R]．广州：广东电网公司，2013．
[8] 2012年砚都站500 kV砚西甲线两相短路事件分析报告[R]．广州：中国南方电网调度控制中心，2013．
[9] 2011年深圳站500 kV #1母线C相短路事件分析报告[R]．广州：广东电网电力调度控制中心，2013．
[10] TR 60909-0 IEC: 2001 International standard short-circuit currents in three-phase A.C systems-Part 0: Calculation of currents [S]. IEC, 2001.
[11] TR 60909-1 IEC: 2002 International standard short-circuit currents in three-phase A.C systems-Part 1: Factors for the calculation of short-circuit currents [S]. IEC, 2002.
[12] TR 60909-2 IEC: 2008 International standard short-circuit currents in three-phase A.C systems-Part 2: Electrical equipment- data for short-circuit current calculations [S]. IEC, 2008.
[13] TR 60909-3 IEC: 2003 International standard short-circuit currents in three-phase A.C systems-Part 3: Currents during two separate simultaneous line-to-earth short circuits and partial short-circuit currents flowing through earth [S]. IEC, 2003.
[14] TR 60909-4 IEC: 2000 International standard short-circuit currents in three-phase A.C systems-Part 4: Examples of short- circuit currents[S]. IEC, 2000.
[15] GB/T 15544.1—2013 三相交流系统短路电流计算第1部分：电流计算[S]. 2013.
[16] GB/T 15544.1—2013 三相交流系统短路电流计算第2部分：短路电流计算应用的系数[S]. 2013.
[17] GB/T 15544.1—2013 三相交流系统短路电流计算第3部分：电气设备数据[S]. 2013.
[18] GB/T 15544.1—2013 三相交流系统短路电流计算第4部分：同时发生两个独立单相接地故障时的电流及流过大地的电流[S]. 2013.
[19] GB/T 15544.1—2013 三相交流系统短路电流计算第5部分：算例[S]. 2013.
[20] 刘楠，张彦涛，秦晓辉，等．感应电动机负荷对短路电流影响机理研究[J]．电网技术，2012，36（8）：187－192．
LIU Nan, ZHANG Yantao, QIN Xiaohui, et al. Impact of load induction motor on power system short-circuit current calculation [J]. Power System Technology, 2012, 36(8): 187-192.
[21] 刘楠，唐晓骏，马世英，等．负荷模型对电力系统短路电流计算的影响[J]．电网技术，2011，35（8）：144－149.
LIU Nan, TANG Xiaojun, MA Shiying, et al. Influence of load model on power system short-circuit current calculation [J]. Power System Technology, 2011, 35(8): 144-149.
[22] 国内电网短路电流调研分析报告[R]．北京：中国电力科学研究院，2010．
[23] 王耀函，刘辉，刘吉臻，等．考虑撬棒保护和残压的DFIG短路电流实用计算方法及应用[J].中国电力，2014，47（4）：134-138.
WANG Yaohan, LIU Hui, LIU Jizhen, et al. Transient current analysis method of DFIG voltage dip based on crowbar protection[J]. Electric Power, 2014, 47(4): 134-138.
[24] 吴蓓，钟泽章. 《继电保护和安全自动装置通用技术条件》新标准解读[J]. 中国电力，2014，47（10）：82-85.
WU Bei, ZHONG Zezhang. Interpretation of general specification of relaying protection and security automatic equipment-new edition [J]. Electric Power, 2014, 47(10): 82-85.
[25] 南方电网负荷模型研究与建立[R]．广州：南方电网科学研究院，2013．