换流变压器在直流融冰装置中的作用研究Research on Influences of Converter Transformer on DC Ice-Melting Device
何鹏飞;王渝红;李兴源;魏巍;李思思;邹家勇;吴怡敏;何琰;
摘要(Abstract):
直流融冰是目前最为成熟和可行的融冰手段之一。文章在现有直流融冰技术的基础上,通过对直流融冰的最小融冰电流、直流融冰功率以及谐波电压的研究,分析使用和不使用换流变压器对直流融冰装置和交流线路的影响,为直流融冰的应用提供了一个新的思路。结合四川电网某融冰工程项目,使用PSCAD/EMTDC软件仿真得出使用换流变压器的工程实际应用条件和限制范围,研究成果成功应用在四川电网直流融冰项目设计工作中,可供今后工程参考。
关键词(KeyWords): 换流变压器;直流融冰;谐波;无功功率
基金项目(Foundation): 国家自然科学基金项目(51037003);; 国家电网公司科技项目(19KJ020402C2012720110000)~~
作者(Author): 何鹏飞;王渝红;李兴源;魏巍;李思思;邹家勇;吴怡敏;何琰;
Email:
DOI: 10.13335/j.1000-3673.pst.2012.05.009
参考文献(References):
- [1]张庆武,吕鹏飞,王德林,等.特高压直流输电线路融冰方案[J].电力系统自动化,2009,33(7):38-41.Zhang Qingwu,LüPengfei,Wang Delin,et al.De-icing scheme forUHVDC transmission line[J].Automation of Electric PowerSystems,2009,33(7):38-41(in Chinese).
- [2]姚志清,刘涛,等.直流融冰技术的研究及应用[J].电力系统保护与控制,2010,38(21):57-62.Yao Zhiqing,Liu Tao,et al.Research&application on DC de-icingtechnology[J].Power System Protection and Control,2010,38(21):57-62(in Chinese).
- [3]谢彬,洪文国,熊志荣,等.500kV复兴变电站固定式直流融冰兼SVC试点工程的设计[J].电网技术,2009,33(18):182-185.Xie Bin,Hong Wenguo,Xiong Zhirong,et al.Pilot project designof concurrent fixed DC ice-melting and SVC for 500 kV fuxingsubstation[J].Power System Technology,2009,33(18):182-185(inChinese).
- [4]蒋兴良,马俊,王少华,等.输电线路冰害事故及原因分析[J].中国电力,2005,38(11):27-30.Jiang Xinliang,Ma Jun,Wang Shaohua,et al.Transmission lines’ice accidents and analysis of the formative factors[J].Electric Power,2005,38(11):27-30(in Chinese).
- [5]于洋,杨嘉祥.基于临界电流的架空线路防冰技术[D].哈尔滨:哈尔滨理工大学,2007.
- [6]许树楷,赵杰.电网冰灾案例及抗冰融冰技术综述[J].南方电网技术,2008,2(2):1-6.Xu Shukai,Zhao Jie.Review of Ice Storm Cases impacted seriouslyon Power Systems and De-icing Technology[J].Southern PowerSystem Technology,2008,2(2):1-6(in Chinese).
- [7]Laforte J L,Allaire M A,Laflamme J.State-of-the-art on power linede-icing[J].Atmospheric Research,1998(46):143-158.
- [8]Li Sisi,Wang Yuhong,Li Xingyuan,et al.Review of de-icingmethods for transmission lines[C]//ISDEA2010,Changsha,China,2010,13-14.
- [9]饶宏,李立,黎小林,等.南方电网直流融冰技术研究[J].南方电网技术,2008,2(2):7-12.Rao Hong,Li Li,Li Xiaolin,et al.Study of DC based de-icingtechnology in china southern power grid[J].Southern Power SystemTechnology,2008,2(2):7-12(in Chinese).
- [10]西南电力设计院.线路熔冰相关导线载流量计算[R].成都,2008.
- [11]刘刚,赵学增,陈永辉,等.电容补偿电感调负融冰方法[J].电网技术,2008,32(2):99-102.Liu Gang,Zhao Xuezeng,Chen Yonghui,et al.An ice-meltingmethod of adjusting electric load based on controllable inductor andcapacitor compensation[J].Power System Technology,2008,32(2):99-102(in Chinese).
- [12]李晓明,杨帆,舒欣,等.输电线可控线损防覆冰无功优化控制方法[J].电力系统自动化,2009,33(24):30-32.Li Xiaoming,Yang Fan,Shu Xin,et al.Method of reactive powercontrol optimization for anti-icing in transmission networks withcontrollable line losses[J].Automation of Electric Power Systems,2009,33(24):30-32(in Chinese).
- [13]李兴源.高压直流输电系统[M].北京:科学出版社,2010:22-25.
- [14]文闿成.高压长线路短路法融冰可行性研究[J].电网技术,2009,33(2):46-50.Wen Kaicheng.Study on Feasibility of Ice-melting for long HVtransmission lines by short-circuit method[J].Power SystemTechnology,2009,33(2):46-50(in Chinese).
- [15]Maurice H,Christian L,Robert S A,et al.A dynamic programmingmethodology to develop de-icing trategies during ice storms bychanneling load currents in transmission network[J].IEEE Trans onPower Delivery,2005,20(2):1604-1610.
- [16]张文朝,韩奕,徐友平,等.电网过电流融冰运行方式可行性研究[J].电网技术,2009,33(20):54-58.Zhang Wenchao,Han Yi,Xu Youping,et al.Feasibility research onovercurrent ice-melting operation mode of power grid[J].PowerSystem Technology,2009,33(20):54-58(in Chinese).