高岭背靠背直流工程安全稳定控制策略Security and Stability Control Strategy of Gaoling Back-to-Back HVDC Project
董晨;张海波;李亚男;蒋维勇;高洵;李轶群;
摘要(Abstract):
高岭背靠背直流工程输送容量达3 000 MW,而华北侧交流网架薄弱,是典型的强直弱交系统,系统运行在正常方式及各元件检修方式下存在一定的安全稳定问题,而且其稳定控制策略的制定具有以电压稳定为主导的特殊性。通过对比、综合PSD-BPA准稳态模型和PSCAD电磁暂态模型的仿真结果,计算得到了高岭直流及其近区华北电网的系统稳定运行极限和严重故障后的安全控制措施量,并以此制定了高岭交直流互联系统华北侧稳定控制策略。同时,为适应强直弱交系统电压稳定问题的特殊性,在稳定控制策略实施过程中提出了利用直流功率调制配合交流滤波器快速投切抑制过电压的综合措施来提高系统暂态稳定性的方案。所制定的安全稳定控制策略已在高岭背靠背工程中得到实际应用并取得了良好的效果。
关键词(KeyWords): 背靠背直流工程;电磁暂态;稳定控制策略
基金项目(Foundation): 国家自然科学基金项目(51277070)~~
作者(Author): 董晨;张海波;李亚男;蒋维勇;高洵;李轶群;
Email:
DOI: 10.13335/j.1000-3673.pst.2015.05.011
参考文献(References):
- [1]蒲莹,石岩,王庆,等.东北—华北联网高岭背靠背直流工程动态性能研究[J].电网技术,2008,32(20):49-55.Pu Ying,Shi Yan,Wang Qing,et al.Research on dynamic performance of Gaoling back-to-back HVDC project for interconnection of Northeast China Power Grid with North China Power Grid[J].Power System Technology,2008,32(20):49-55(in Chinese).
- [2]ANSI/IEEE 1204—1997.端接在低短路容量交流系统的直流链路的设计指南,第1部分:交流/直流互相作用现象[S].
- [3]Franken B,Andersson G.Analysis of HVDC converter connecter connected to weak AC system[J].IEEE Trans on Power Systems,1990,5(1):235-242.
- [4]徐政.联于弱交流系统的直流输电特性研究之二:控制方式与电压稳定性[J].电网技术,1997,21(3):1-4.Xu Zheng.Characteristic of HVDC connected to weak AC systems,Part 2:control modes and voltage stability[J].Power System Technology,1997,21(3):1-4(in Chinese).
- [5]刘明波,程劲辉,程莹.交直流并联电力系统动态电压稳定性分析[J].电力系统自动化,1999,23(16):27-30.Liu Mingbo,Cheng Jinhui,Cheng Ying.Dynamic voltage stability analysis of parallel AC/DC power systems[J].Automation of Electric Power Systems,1999,23(16):27-30(in Chinese).
- [6]胡林献,李晓明,陈学允.防止交直流联合系统电压崩溃措施的研究[J].电力系统自动化,1999,23(16):23-26.Hu Linxian,Li Xiaoming,Chen Xueyun.Point of collapse method applied to voltage stability analysis of AC/DC power system[J].Automation of Electric Power Systems,1999,23(16):23-26(in Chinese).
- [7]张梅.交直流混合系统电压稳定性分析的研究[D].成都:四川大学,2006.
- [8]徐政.交直流电力系统的动态行为分析[M].北京:机械工业出版社,2004:36-50.
- [9]杨汾艳,徐政.直流输电系统典型暂态响应特性分析[J].电工技术学报,2005,20(3):45-52.Yang Fenyan,Xu Zheng.Typical transient responses in HVDC transmission system[J].Transactions of China Electrotechnical Society,2005,20(3):45-52(in Chinese).
- [10]张啸虎,曹国云,陈陈.高压直流系统低功率运行时的无功控制策略[J].电网技术,2012,36(1):118-122.Zhang Xiaohu,Cao Guoyun,Chen Chen.Proposal on reactive power control of HVDC system during low power transmission[J].Power System Technology,2012,36(1):118-122(in Chinese).
- [11]徐梅梅,李兴源,白加林,等.交直流并联系统的换流母线电压稳定性分析[J].电力系统自动化,2009,33(7):6-10.Xu Meimei,Li Xingyuan,Bai Jialin,et al.Analysis on voltage stability at commutation bases of parallel AC/DC power systems[J].Automation of Electric Power Systems,2009,33(7):6-10(in Chinese).
- [12]刘海涛,程林,孙元章,等.交直流系统可靠性评估[J].电网技术,2004,28(23):27-31.Liu Haitao,Cheng Lin,Sun Yuanzhang,et al.Reliability evaluation of hybrid AC/DC power systems[J].Power System Technology,2004,28(23):27-31(in Chinese).
- [13]李亚男.东北—华北联网高岭背靠背换流站成套设计技术报告:用于电磁暂态的等值研究[R].北京:网联直流工程技术有限公司,2007.
- [14]刘志,雷为民,任祖怡,等.京津南部电网区域稳定控制系统的研究和实施[J].中国电机工程学报,2007,27(22):51-56.Liu Zhi,Lei Weimin.Ren Zuyi,et al.Research and application of regional stability control system for southern Beijing-Tianjin power grid[J].Proceedings of the CSEE,2007,27(22):51-56(in Chinese).
- [15]韩祯祥,曹一家.电力系统的安全性及防治措施[J].电网技术,2004,28(9):1-6.Han Zhenxiang,Cao Yijia.Power system security and its prevention[J].Power System Technology,2004,28(9):1-6(in Chinese).