特高压直流中性线母线开关重合保护误动分析Analysis of UHVDC Neutral Bus Switch Reclosing Protection Maloperation
杨万开;衣福全;曾南超;杨鹏;
摘要(Abstract):
在锦苏、哈郑和溪浙特±800 kV高压直流输电工程系统试验过程中以及投入运行后,发生了几次直流场中性母线开关(neutral bus switch,NBS)保护误动重合故障。对锦苏、哈郑和溪浙特高压直流输电工程直流场中性母线开关保护误动重合故障及后果进行了分析,找到了引起NBS开关重合的原因,提出了解决方案并通过了试验验证。对不同原因引起的直流场NBS开关重合的机理进行了详尽的剖析,并提出了相应的解决措施。通过对已投入运行±800 k V特高压直流工程直流场NBS开关重合故障分析以及对正在建设的特高压直流工程NBS性能分析,提出了NBS开关重合故障影响直流系统稳定运行的解决措施。
关键词(KeyWords): ±800 kV特高压直流输电工程;NBS保护误动分析;NBS保护动作顺序分析;NBS重合机理分析;改进措施
基金项目(Foundation):
作者(Author): 杨万开;衣福全;曾南超;杨鹏;
Email:
DOI: 10.13335/j.1000-3673.pst.2016.06.022
参考文献(References):
- [1]舒印彪,刘泽洪,袁竣,等.2005年国家电网公司特高压输电论证综述[J].电网技术,2006,30(5):1-12.Shu Yinbiao,Liu Zehong,Yuan Jun,et al.A survey on demonstration of UHV power transmission by state grid corporation of China in the year of 2005[J].Power System Technology,2006,30(5):1-12(in Chinese).
- [2]舒印彪.中国直流输电的现状及展望[J].高电压技术,2004,30(11):1-2,20.Shu Yinbiao.Present status and prospect of HVDC transmission in China[J].High Voltage Engineering,2004,30(11):1-2,20(in Chinese).
- [3]舒印彪,刘泽洪,高理应,等.±800 k V 6400 MW特高压直流输电工程设计[J].电网技术,2006,30(1):1-8.Shu Yinbiao,Liu Zehong,Gao Liying,et al.A preliminary exploration for design of±800 k V UHVDC project with transmission capacity of 6400 MW[J].Power System Technology,2006,30(1):1-8(in Chinese).
- [4]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):1-3Yuan Qingyun.Present state and application prospect of ultra HVDC transmission in China[J].Power System Technology,2005,29(14):1-3(in Chinese).
- [5]刘振亚,舒印彪,张文亮,等.直流输电系统电压等级序列研究[J].中国电机工程学报,2008,28(10):1-8.Liu Zhenya,Shu Yinbiao,Zhang Wenliang,et al.Study on voltage class series for HVDC transmission system[J].Proceedings of the CSEE,2008,28(10):1-8(in Chinese).
- [6]杨万开,印永华,曾南超,等.特高压直流输电工程系统调试研究[J].中国电机工程学报,2009,29(22):83-87.Yang Wankai,Yin Yonghua,Zeng Nanchao,et al.Study on commissioning test program of UHVDC project system[J].Proceedings of the CSEE,2009,29(22):83-87(in Chinese).
- [7]陈汉雄,胡劲松.金沙江一期送端特高压直流输电系统的协调控制[J].电网技术,2008,32(8):10-14.Chen Hanxiong,Hu Jinsong.Coordinated control of UHVDC transmission system at sending end of first phase Jinsha River project[J].Power System Technology,2008,32(8):10-14(in Chinese).
- [8]杨万开,印永华,曾南超,等.向家坝—上海±800 k V特高压直流输电工程系统调试技术分析[J].电网技术,2011,35(7):19-23.Yang Wankai,Yin Yonghua,Zeng Nanchao,et al.Analysis on commissioning test of±800 k V UHVDC power transmission project from Xiangjiaba to Shanghai[J].Power System Technology,2011,35(7):19-23(in Chinese).
- [9]杨万开,印永华,曾南超,等.特高压直流输电工程单极保护降压试验研究[J].中国电机工程学报,2014,34(4):659-665.Yang Wankai,Yin Yonghua,Zeng Nanchao,et al.Study on monopole protective reduce voltage test of±800 k V UHVDC transmission project[J].Proceedings of the CSEE,2014,34(4):659-665(in Chinese).
- [10]杨万开.向家坝—上海±800 k V特高压直流输电工程系统调试总结[R].北京:中国电力科学研究院,2010.
- [11]国家电网公司.锦屏—苏南±800 k V特高压直流输电示范工程技术规范[R].北京:国家电网公司,2009.
- [12]杨万开,杨鹏,孙栩,等.锦苏±800 k V特高压直流输电工程系统调试技术报告[R].北京:中国电力科学研究院,2013.
- [13]杨万开,印永华,曾南超,等.锦苏特高压直流输电工程系统试验研究和实践[J].电网技术,2014,38(1):16-21.Yang Wankai,Yin Yonghua,Zeng Nanchao,et al.Research and practice of system test for±800 k V UHVDC power transmission project from Jinping to Suzhou[J].Power System Technology,2014,38(1):16-21(in Chinese).
- [14]杨万开,印永华,曾南超.天中特高压直流输电工程系统试验方案[J].电网技术,2015,39(2):349-355.Yang Wankai,Yin Yonghua,Zeng Nanchao.System commissioning program of±800 k V UHVDC transmission project from Tianshan to Zhengzhou[J].Power System Technology,2015,39(2):349-355(in Chinese).
- [15]杨万开.哈密南—郑州±800 k V特高压直流输电工程系统调试总结报告[R].北京:中国电力科学研究院,2014.
- [16]杨万开.溪洛渡左岸—浙江金华±800 k V特高压直流输电工程系统调试总结报告[R].北京:中国电力科学研究院,2015.