基于BPA-HYPERSIM的大电网自动建模软件开发
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摘要
随着特高压交直流电网建设的飞速发展,大规模交直流电网相互影响研究领域对电磁暂态仿真的规模及效率提出了很高的要求。针对传统的人工建模方式无法满足大规模电网电磁暂态仿真需求的现状,提出了子系统划分、用户主动控制、自动/手动电网解耦、发电机控制器自定义库、潮流自动校核和智能继承等自动建模关键技术,并开发了把BPA数据转为HYPERSIM电磁暂态模型的自动建模软件。软件成功应用于华东电网220 kV级以上系统建模,建模规模达到6000三相节点以上,建模效率得到极大提升,且具有极高的转换精度。通过实际应用证明该技术极大的提高了大规模电网电磁暂态建模的规模与效率,使得新一代数模混合仿真平台能够及时为大电网安全稳定运行提供技术支持。
With rapid development of hybrid UHV AC/DC power system, very high demands are raised for the scale and efficiency of electromagnetic transient simulation. In view of current situation that traditional manual modeling methods cannot meet the needs of electromagnetic transient simulation for large-scale power grid, many key technologies of automatic modeling are brought forward, such as subsystem division, user control, manual/automatic decoupling, customized generator controller library, intelligent inheritance, etc. Based on these technologies, an automatic modeling software converting BPA data to HYPERSIM model is developed. This software is successfully applied to the system modeling 220kV and above level in East China power grid, and the modeling scale reaches over 6000 three-phase nodes, greatly improving modeling efficiency with high conversion accuracy. Application of this software shows that it greatly improves the modeling scale and efficiency of electromagnetic transient simulation for large-scale power grid, so that the new generation of hybrid digital-analog simulation platform can provide technical support in time for security and stability of large power grid.
With rapid development of hybrid UHV AC/DC power system, very high demands are raised for the scale and efficiency of electromagnetic transient simulation. In view of current situation that traditional manual modeling methods cannot meet the needs of electromagnetic transient simulation for large-scale power grid, many key technologies of automatic modeling are brought forward, such as subsystem division, user control, manual/automatic decoupling, customized generator controller library, intelligent inheritance, etc. Based on these technologies, an automatic modeling software converting BPA data to HYPERSIM model is developed. This software is successfully applied to the system modeling 220kV and above level in East China power grid, and the modeling scale reaches over 6000 three-phase nodes, greatly improving modeling efficiency with high conversion accuracy. Application of this software shows that it greatly improves the modeling scale and efficiency of electromagnetic transient simulation for large-scale power grid, so that the new generation of hybrid digital-analog simulation platform can provide technical support in time for security and stability of large power grid.
引文
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[15]许烽,翁华,徐政,等.基于PSCAD/EMTDC的大规模交直流系统快速建模及有效性分析[J].高电压技术,2013,39(11):2762-2772.Xu Feng,Weng Hua,Xu Zheng,et al.Rapid modeling and validity analysis of large-scale AC/DC power systems based on PSCAD/EMTDC[J].High Voltage Engineering,2013,39(11):2762-2772(in Chinese).
[16]周作春,孙健,唐恒海,等.基于图形化系统的机电暂态模型到电磁暂态模型的自动生成方案研究[J].电气应用,2013,(S1):564-568.Zhou Zuochun,Sun Jian,Tang Henghai,et al.Study on automatic generation scheme from electromechanical to electromagnetic model based on graphic system[J].Electrotechnical Application,2013,supplement:564-568(in Chinese).
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[2]吴敬儒,徐永禧.我国特高压交流输电发展前景[J].电网技术,2005,29(3):1-4.Wu Jingru,Xu Yongxi.EHV AC transmission's development prospects in our country[J].Power System Technology,2005,29(3):1-4(in Chinese).
[3]袁清云.特高压直流输电技术现状及在我国的应用前景[J].电网技术,2005,29(14):1-3.Yuan Qingyun.Present state and application prospect of ultra HVDCtransmission in China[J].Power System Technology,2005,29(14):1-3(in Chinese).
[4]印永华,蒋卫平,朱艺颖,等.国家电网仿真中心可行性研究报告[R].北京:中国电力科学研究院,2007.
[5]曾昭华,蒋卫平.中国电力科学研究院电力系统仿真中心[J].国际电力,2001,5(2):43-46.Zeng Zhaohua,Jiang Weiping.Power system simulation laboratory of electric power research institute in China[J].International Electric Power,2001,5(2):43-46(in Chinese).
[6]刘云,印永华,曾南超,等.数模混合式高压直流输电仿真系统的建立[J].电力系统自动化,2006,30(18):38-44.Liu Yun,Yin Yonghua,Zeng Nanchao,et al.Model establishment of digital/analog HVDC simulation system[J].Automation of Electric Power System,2006,30(18):38-44(in Chinese).
[7]王明新.高压直流输电模拟装置的作用[J].电网技术,2001,25(12):64-66.Wang Mingxin.Action of HVDC transmission simulator[J].Power System Technology,2001,25(12):64-66(in Chinese).
[8]董鹏,朱艺颖,郭强,等.基于HYPERSIM的直流输电系统数模混合仿真接口技术研究[J].电网技术,2018,42(12):3895-3902.Dong Peng,Zhu Yiying,Guo Qiang,et al.Hybrid digital-analog simulation interface technology for HVDC system based on HYPERSIM[J].Power System Technology,2018,42(12):3895-3902(in Chinese).
[9]张星,徐德超,李亚楼,等.基于超算的大电网数字并行仿真系统构建及应用[J].电网技术,2019,43(4):1144-1150.Zhang Xing,Xu Dechao,Li Yalou,et al.Construction and application of large-scale power grid digital parallel simulation system based on supercomputing technology[J].Power System Technology,2019,43(4):1144-1150(in Chinese).
[10]王薇薇,朱艺颖,刘翀,等.基于HYPERSIM的大规模电网电磁暂态实时仿真实现技术[J].电网技术,2019,43(4):1138-1143.Wang Weiwei,Zhu Yiying,Liu Chong,et al.Realization of electromagnetic real-time simulation of large-scale grid based on HYPERSIM[J].Power System Technology,2019,43(4):1138-1143(in Chinese).
[11]李柏青,李亚楼,郭强,等.新一代特高压交直流电网仿真平台建设项目可行性研究报告[R].北京:中国电力科学研究院,2015.
[12]许剑冰,薛禹胜,张启平,等.电力系统同调动态等值的述评[J].电力系统自动化,2005,29(14):91-95.Xu Jianbing,Xue Yusheng,Zhang Qiping,et al.A critical review on coherency-based dynamic equivalences[J].Automation of Electric Power Systems,2005,29(14):91-95(in Chinese).
[13]陶华,许津津,邹文超.BPA向PSCAD模型转换的研究[J].电力自动化设备,2013,33(8):152-156.Tao Hua,Xu Jinjin,Zou Wenchao.Model conversion from BPA to PSCAD[J].Electric Power Automation Equipment,2013,33(8):152-156(in Chinese).
[14]陈奇方,朱小兰,张文青,等.电力系统机电/电磁暂态仿真数据转换系统[J].电网与清洁能源,2012,28(9):29-33.Chen Qifang,Zhu Xiaolan,Zhang Wenqing,et al.Data conversion system for electromechanical and electromagnetic transient simulation in power system[J].Power System and Clean Energy,2012,28(9):29-33(in Chinese).
[15]许烽,翁华,徐政,等.基于PSCAD/EMTDC的大规模交直流系统快速建模及有效性分析[J].高电压技术,2013,39(11):2762-2772.Xu Feng,Weng Hua,Xu Zheng,et al.Rapid modeling and validity analysis of large-scale AC/DC power systems based on PSCAD/EMTDC[J].High Voltage Engineering,2013,39(11):2762-2772(in Chinese).
[16]周作春,孙健,唐恒海,等.基于图形化系统的机电暂态模型到电磁暂态模型的自动生成方案研究[J].电气应用,2013,(S1):564-568.Zhou Zuochun,Sun Jian,Tang Henghai,et al.Study on automatic generation scheme from electromechanical to electromagnetic model based on graphic system[J].Electrotechnical Application,2013,supplement:564-568(in Chinese).
[17]Garg A,Tamassia R.A new minimum cost flow algorithm with applications to graph drawing[C]//Graph Drawing 1996.LNCS,Springer,Heidelberg:201-213.
[18]胡涛,王薇薇,朱艺颖,等.电磁暂态实时仿真自动化建模技术研发报告[R].北京:中国电力科学研究院,2017.