全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...
电网技术  2010 

500kV同塔双回紧凑型线路并联补偿特性研究

, PP. 109-114

Full-Text   Cite this paper   Add to My Lib

Abstract:

采用考虑六相系统的线性变换方法对同塔双回紧凑型线路的并联参数进行了分析,指出在不换位情况下,由于双回线路间的电容耦合,造成同塔双回紧凑型线路三相导线潜供电流具有明显差异,同时存在双回感应电压过高问题。对典型参数线路进行了仿真,结果表明在一定参数条件下潜供电流的不平衡性和感应电压过高可能会影响线路的正常运行及相关设备的安全。以大房III回工程的实际参数为基础对其并联补偿后的潜供电流、双回间感应电压等进行了计算,结果表明双回线路的感应电压超过常规线路接地开关的额定耐受水平,并提出了导线换位、改变补偿配置等改善措施。

References

[1]  Liu Yafang,Yuan Yichao,Wang Qihuai,et al.Experiment research of secondary arc current of power system with parallel compensation [J].North China Electric Power,1995(8):53-59(in Chinese).
[2]  郭志红,孙为民.500 kV郓城-泰安紧凑型输电线路的潜供电流限制及单重时间配合[J].电网技术,2006,30(17):79-83.
[3]  Guo Zhihong,Sun Weimin.A study on restriction of secondary arc current and time coordination of single phase reclosing for 500 kV compact transmission line from Yuncheng to Taian[J].Power System Technology,2006,30(17):79-83(in Chinese).
[4]  郭志红,姚金霞,程学启,等.500 kV同塔双回线路感应电压、电流计算及实测[J].高电压技术,2006,32(5):11-14.
[5]  Guo Zhihong,Yao Jinxia,Cheng Xueqi,et al.Study and measurement of induced voltage and current for 500kV double-circuit line on same tower[J].High Voltage Engineering,2006,32(5):11-14(in Chinese).
[6]  王晓彤,林集明,班连庚,等.1 000 kV同塔双回线路不平衡度及换位方式分析[J].电网技术,2009,33(5):1-5.
[7]  Wang Xiaotong,Lin Jiming,Ban Liangeng,et al.Analysis on unbalance factor and transposing modes for 1000kV double circuit transmission lines on the same tower[J].Power System Technology,2009,33(5):1-5(in Chinese).
[8]  龚有军,朱普轩,曾嵘.750 kV同塔同窗同相序紧凑型输电技术的可行性研究[J].电网技术,2008,32(13):50-54.
[9]  Gong Youjun,Zhu Puxuan,Zeng Rong.Feasibility study of two compact 750 kV circuits with same phase sequence in the same tower window [J].Power System Technology,2008,32(13):50-54(in Chinese).
[10]  吴维韩,张芳榴.电力系统过电压数值计算[M].北京:科学出版社,1989:112-115.
[11]  王绍德,李耀玲.昌房500 kV紧凑型线路运行特性分析[J].电网技术,2000,24(2):10-13(in Chinese).
[12]  Wang Shaode,Li Yaoling.Analysis on operation characteristics of 500kV Changping-Fangshan compact transmission line[J].Power System Technology,2000,24(2):10-13.
[13]  邓春.汗沽太工程直流偏置问题及解决方案建议[R].北京:华北电力科学研究院有限责任公司,2008.
[14]  周沛洪,戴敏,娄颖,等.1 000 kV交流断路器开断电流的直流分量时间常数与零偏现象[J].高电压技术,2009,35(4):722-730.
[15]  Zhou Peihong,Dai Min,Lou Ying,et al.DC component time constant and zero offset phenomena of breaking current for 1 000 kV circuit breaker[J].High Voltage Engineering,2009,35(4):722-730(in Chinese).
[16]  DL/T 615—1997 交流高压断路器参数选用导则[S].
[17]  曹荣江,顾霓鸿,盛勇.电力系统潜供电弧自熄灭特性的模拟研究[J].中国电机工程学报,1996,16(2):73-78.
[18]  Cao Rongjiang,Gu Nihong,Sheng Yong.Test study on self-extinction behavior of secondary arc on power system [J].Proceedings of the CSEE,1996,16(2):73-78(in Chinese).
[19]  刘亚芳,袁亦超,汪启槐,等.电力系统潜供电弧有补偿情况的试验研究[J].华北电力技术,1995(8):53-59.
[20]  舒印彪,赵丞华.研究实施中的500 kV同塔双回紧凑型输电线路[J].电网技术,2002,26(4):49-51.
[21]  Shu Yinbiao,Zhao Chenghua.Study and implementation of 500 kV compact power transmission line with double circuit on a same tower in China[J].Power System Technology,2002,26(4):49-51(in Chinese).
[22]  陈亚伦,李志国.伊敏-冯屯500 kV同塔双回线路不平衡度、感应电流及潜供电流研究[J].电网技术,1995,19(6):13-17.
[23]  Chen Yalun,Li Zhiguo.Study of unbalance factor and induced current for Yimin-Fengtun 500kV double circuit tower line[J].Power System Technology,1995,19(6):13-17(in Chinese).
[24]  商立群,施围.同塔双回输电线路的潜供电流与恢复电压[J].高电压技术,2003,29(10):22-23.
[25]  Shang Liqun,Shi Wei.Study on secondary arc current and recovery voltage on double circuit lines on the same pole[J].High Voltage Engineering,2003,29(10):22-23(in Chinese).
[26]  刘振亚.特高压电网[M].北京:中国经济出版社,2005:76-78.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133