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...

过渡电阻对特高压交直流混联电网暂态功率倒向的影响分析

DOI: 10.13336/j.1003-6520.hve.2015.04.024, PP. 1257-1261

Keywords: 特高压直流,功率倒向,换相失败,交直流混联,过渡电阻,线路保护

Full-Text   Cite this paper   Add to My Lib

Abstract:

对于特高压交直流混联电网,当直流系统逆变侧发生换相失败后,交流系统有可能出现暂态功率倒向现象并导致交流线路保护发生误动。为此,对交流系统暂态功率倒向现象及其产生机理进行了研究;并利用PSCAD/EMTDC仿真软件建立了特高压交直流混联线路的仿真模型,分析了故障点过渡电阻的大小对暂态功率倒向现象的影响。仿真结果表明随着过渡电阻的增大,倒向功率先减小后增大。通过减少突变量正方向元件的动作区域或者设置一定的延迟时间(一般取40ms)闭锁纵联保护,可以防止由暂态功率倒向引起的线路保护误动。

References

[1]  刘 强,蔡泽祥,刘为雄,等. 交直流互联电网暂态功率倒向及对继电保护的影响[J]. 电力系统自动化,2007,31(7):34-38. LIU Qiang, CAI Zexiang, LIU Weixiong, et al . Transient power converse in AC/DC interconnected power grid and its influence on protective relaying[J]. Automation of Electric Power System, 2007, 31(7): 34-38.
[2]  陈久林,陈建民,张 量,等. 功率倒向对平行双回线纵联保护的影响分析及对策[J]. 电力系统自动化,2006,30(2):105-108. CHEN Jiulin, CHEN Jianmin, ZHANG Liang, et al . Analysis on the influence of the power converse to the double-circuit transmission lines pilot protective relaying and its corresponding measures[J]. Automation of Electric Power System, 2006, 30(2): 105-108.
[3]  杨光亮,邰能灵,郑晓冬,等. 多馈入高压直流输电系统中功率倒向问题[J]. 电力自动化设备,2010,30(5):22-27. YANG Guangliang, TAI Nengling, ZHENG Xiaodong, et al . Power converse in multi-infeed HVDC system[J]. Electric Power Automation Equipment, 2010, 30 (5): 22-27.
[4]  李晓华,蔡泽祥,黄明辉,等. 交直流电网故障暂态功率倒向解析[J]. 电力系统自动化,2012,36(10):61-66. LI Xiaohua, CAI Zexiang, HUANG Minghui, et al . Transient power converse in an AC/DC interconnected power grid[J]. Automation of Electric Power System, 2012, 36(10): 61-66.
[5]  Shu H C, Liu K Z, Chen Y. Stability analysis of Yunnan power grid including ±800 kV UHVDC transmission based on full dynamic simulation[C]∥IEEE POWERCON 2008 &IEEE Power India Conference. New Delh, India: IEEE, 2008: 1-5.
[6]  Liu K Z, Shu H C. Analysis on fault of Yun-Guang hybrid AC/DC power transmission system[C]∥IEEE POWERCON 2008 &IEEE Power India Conference. New Delh, India, 2008: 1-6.
[7]  刘可真,束洪春,孙士云,等. ±800 kV云广特高压直流控制方式的动态特性分析[J]. 高电压技术,2010,36(1):190-195. LIU Kezhen, SHU Hongchun, SUN Shiyun, et al . Analysis on dynamic characteristic of control mode for ±800 kV Yun-Guang UHVDC[J]. High Voltage Engineering, 2010, 36(1): 190-195.
[8]  郑 超,盛灿辉,林俊杰,等. 特高压直流输电系统动态响应对受端交流电网故障恢复特性的影响[J]. 高电压技术,2013,39(3):555-561. ZHENG Chao, SHENG Canhui, LIN Junjie, et al . Influence of UHVDC transmission system dynamic response on AC receiving end’s failure recovery characteristics[J]. High Voltage Engineering, 2013,39(3): 555-561.
[9]  束洪春,田鑫萃,董 俊,等. ±800 kV云广直流输电线路保护的仿真及分析[J]. 中国电机工程学报,2011,31(31):179-188. SHU Hongchun,TIAN Xincui, DONG Jun, et al .Simulation and analyses for Yun-Guang ±800 kV HVDC transmission line protection system[J]. Proceedings of the CSEE, 2011, 31(31): 179-188.
[10]  徐 政. 交直流电力系统动态行为分析[M]. 北京:机械工业出版社,2004:13-25. XU Zheng. Dynamic behavior analysis in AC/DC power system[M]. Beijing, China: Mechanical Industry Press, 2004: 13-25.
[11]  刘振亚. 特高压直流输电技术研究成果专辑[M]. 北京:中国电力出版社,2011:30-47. LIU Zhenya. Album of UHVDC transmission technology research[M]. Beijing, China: China Power Press, 2011: 30-47.
[12]  刘之尧,唐卓尧,张文峰,等. 直流换相失败引起继电保护误动分析[J]. 电力系统自动化,2006,30(19):104-107. LIU Zhiyao, TANG Zhuoyao, ZHANG Wenfeng, et al . Analysis of protective relying mal-operation caused by commutation failure in HVDC[J]. Automation of Electric Power System, 2006, 30(19): 104-107.
[13]  鲁德锋,毛为民,冼伟雄. 直流换流站换流失败引起继电保护不正确动作的分析及预防措施探讨[J]. 电力设备,2006,7(1):54-56. LU Defeng, MAO Weimin, XIAN Weixiong. Discuss on correct action of protection caused by commutation failure in DC converter station and its countermeasure[J]. Electrical Equipment, 2006, 7(1): 54-56.
[14]  刘 凯,吴 田,刘 庭,等. ±800 kV特高压直流输电线路的电位转移电流特性[J]. 高电压技术,2013,39(3):568-576. LIU Kai, WU Tian, LIU Ting, et al . Characteristics of potential transfer current of ±800 kV UHVDC transmission line[J]. High Voltage Engineering, 2013, 39(3): 568-576.
[15]  富 强. 特高压直流输电换相机理的分析与仿真[D]. 北京:华北电力大学,2006:27-50. FU Qiang. Analysis and simulation of commutation mechanism in UHVDC[D]. Beijing, China: North China Electric Power University, 2006: 27-50.
[16]  何朝荣,李兴源,金小明,等. 高压直流输电系统换相失败判断标准的仿真分析[J]. 电网技术,2007,31(1):20-24. HE Chaorong, LI Xingyuan, JIN Xiaoming, et al . Criteria for commutation failure in HVDC transmission system[J]. Power System Technology, 2007, 31(1): 20-24.
[17]  李海峰,张 璞,王 钢,等. 直流馈入下的工频变化量方向纵联保护动作特性分析(一)[J]. 电力系统自动化,2009,33(9):41-46. LI Haifeng, ZHANG Pu, WANG Gang, et al . Performance of directional protection based on variation of power-frequency components in HVDC/AC interconnected system(part one)[J]. Automation of Electric Power System, 2009, 33(9): 41-46.
[18]  李海峰,张 璞,王 钢,等. 直流馈入下的工频变化量方向纵联保护动作特性分析(二)[J]. 电力系统自动化,2009,33(10):47-52. LI Haifeng, ZHANG Pu, WANG Gang, et al . Performance of directional protection based on variation of power-frequency components in HVDC/AC interconnected system(part two)[J]. Automation of Electric Power System, 2009, 33(10): 47-52.
[19]  李海峰,张 璞,王 钢,等. 直流馈入下的工频变化量方向纵联保护动作特性分析(三)[J]. 电力系统自动化,2009,33(11):43-48. LI Haifeng, ZHANG Pu, WANG Gang, et al . Performance of directional protection based on variation of power-frequency components in HVDC/AC interconnected system(part three)[J]. Automation of Electric Power System, 2009, 33(11): 43-48.
[20]  张 璞,王 钢,李海峰. 直流馈入下的输电线路电流差动保护动作特性分析[J]. 电力系统保护与控制,2010,38(10):1-5. ZHANG Pu, WANG Gang, LI Haifeng. Performance of current differential protection of transmission lines in HVDC/AC interconnected system[J]. Power System Protection and Control, 2010, 38(10): 1-5.
[21]  张 璞,王 钢,李海峰. 直流馈入下的输电线路距离保护动作特性分析[J]. 电力系统自动化,2012,36(6):56-62. ZHANG Pu, WANG Gang, LI Haifeng. Performance of distance protection for transmission lines in an HVDC/AC interconnected system[J]. Automation of Electric Power System, 2012, 36(6): 56-62.
[22]  胡 铭,鲍 伟,邵震霞,等. 高压三极直流输电系统电流调制特性仿真研究[J]. 高电压技术,2014,40(8):2464-2470. HU Ming, BAO Wei, SHAO Zhenxia, et al . Simulation study of tripole HVDC transmission system current modulation performances[J]. High Voltage Engineering, 2014, 40(8): 2464-2470.
[23]  刘俊磊,王 钢,李海峰,等. HVDC系统换相失败对交流 电网继电保护影响的机理分析[J]. 中国电机工程学报,2013,33(19):111-118. LIU Junlei, WANG Gang, LI Haifeng, et al . Mechanism analysis of HVDC commutation failure influence on AC power network relay protection[J]. Proceedings of the CSEE, 2013, 33(19): 111-118.

Full-Text

comments powered by Disqus

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133