断路器特性对切除35kV空母线并联电抗器操作过电压的抑制效果

doi:10.19595/j.cnki.1000-6753.tces.171387

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摘要切除空母线并联电抗器时,极易出现电弧复燃和等效截流等现象,产生的操作过电压会造成相关设备相间短路和电抗器匝间绝缘损毁等故障,威胁电气设备安全。切除220kV变电站35kV空母线并联电抗器时操作过电压导致的设备故障时有发生,危及电网安全稳定运行。从切除并联电抗器过电压产生的机理、危害和抑制思路等方面开展系统分析,对比断路器性能和投切位置对过电压的抑制效果,并进行现场实测和PSCAD仿真分析,为35kV空母线并联电抗器操作过电压的抑制提供了解决思路和工程经验。

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	郑一鸣
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	刘石

关键词 ：并联电抗器, 空母线, 介质绝缘恢复强度, 操作过电压, 暂态仿真

Abstract：When cutting shunt reactor on no-load busbar, the phenomena, such as current chopping, arc reignition and equivalent current chopping, are easy to occur during the switching process. The resulting overvoltage caused by the operations can cause phase-to-phase short-circuit of the related equipment and inter-turn insulation damage of the shunt reactor, which threatens the safety of electrical equipment. Equipment breakdowns caused by switching overvoltage of 35kV shunt reactor on no-load busbar in 220kV substation occur frequently, endangering the safe and stable operation of the power grid. In this paper, the mechanism, perniciousness and suppression of shunt reactor switching overvoltage were systematically analyzed. The suppression effects of circuit breaker characteristics and position on overvoltage were compared, and the overvoltage measurement and PSCAD simulation analysis were carried out, which provides solutions and engineering experience for the overvoltage suppression of 35kV shunt reactor on no-load busbar.

Key words： Shunt reactor no-load busbar dielectric insulation recovery strength switching overvoltage transient simulation

收稿日期: 2017-09-21 出版日期: 2018-11-27

PACS:

TM86

通讯作者: 郑一鸣男,1987年生,博士,高级工程师,主要从事系统过电压与接地技术、变电设备状态检修和运维等方面的研究工作。E-mail: yiming_zheng@yeah.net

作者简介: 徐华男,1979年生,高级工程师,主要从事系统过电压与接地技术、变电设备状态检修和运维等方面的研究工作。E-mail: xuhua@zj.sgcc.com.cn

引用本文:

郑一鸣, 徐华, 金佳敏, 刘浩军, 刘石. 断路器特性对切除35kV空母线并联电抗器操作过电压的抑制效果[J]. 电工技术学报, 2018, 33(22): 5282-5291. Zheng Yiming, Xu Hua, Jin Jiamin, Liu Haojun, Liu Shi. Suppression Effects of Circuit Breaker Characteristics on Switching Overvoltage of Cutting Shunt Reactor on 35kV No-Load Busbar. Transactions of China Electrotechnical Society, 2018, 33(22): 5282-5291.

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https://dgjsxb.ces-transaction.com/CN/10.19595/j.cnki.1000-6753.tces.171387 https://dgjsxb.ces-transaction.com/CN/Y2018/V33/I22/5282

[1] 时燕新. 真空断路器投切并联电抗器过电压实例研究[J]. 华北电力技术, 2005(6): 5-8.
Shi Yanxin.Research on vacuum circuit breaker switching shunt capacitor overvoltage[J]. North China Electric Power, 2005(6): 5-8.
[2] 安韵竹, 文习山, 张婷婷, 等. SF₆断路器预击穿引起并联电抗器合闸过电压的原因及防护措施[J]. 高电压技术, 2013, 39(1): 75-80.
An Yunzhu, Wen Xishan, Zhang Tingting, et al.Overvoltage of shunt reactor caused by prebreakdown of SF₆ breaker and protection measures[J]. High Voltage Engineering, 2013, 39(1): 75-80.
[3] 葛国伟, 廖敏夫, 黄金强, 等. 双断口真空断路器配合特性仿真与试验[J]. 电工技术学报, 2016, 31(22): 57-65.
Ge Guowei, Liao Minfu, Huang Jinqiang, et al.Simulation and experimental of matching characteristics of vacuum circuit breakers with double-break[J]. Transactions of China Electrotechnical Society, 2016, 31(22): 57-65.
[4] 黄冰. 真空断路器投切并联电抗器的过电压限制[D]. 南京: 东南大学, 2016.
[5] 孙昭. 35kV真空断路器开合并联电抗器操作过电压研究[D]. 天津: 天津大学, 2014.
[6] 李召家, 黎东升. 真空断路器投切并联电抗器试验研究[J]. 广东电力, 2003, 16(4): 29-33.
Li Zhaojia, Li Dongsheng.Experimental research of vacuum circuit breaker opening-closing shunt reactor[J]. Guangdong Electric Power, 2003, 16(4): 29-33.
[7] 杜宁, 关永刚, 张景升, 等. 40.5kV真空断路器开断并联电抗器的过电压防护[J]. 高电压技术, 2010, 36(2): 345-349.
Du Ning, Guan Yonggang, Zhang Jingsheng, et al.Protections of overvoltages caused by 40.5kV vacuum circuit breakers switching off shunt reactors[J]. High Voltage Engineering, 2010, 36(2): 345-349.
[8] 关永刚, 唐琦雯, 刘卫东, 等. 40.5kV真空断路器开断并联电抗器时过电压的产生机制[J]. 中国电机工程学报, 2012, 32(33): 124-132.
Guan Yonggang, Tang Qiwen, Liu Weidong, et al.Overvoltage mechanism of switching off shunt reactors for 40.5kV vacuum circuit breakers[J]. Proceedings of the CSEE, 2012, 32(33): 124-132.
[9] 彭发东, 施纪栋, 喇元, 等. 220kV变电站35kV侧真空断路器开断并联电抗器过电压保护方案研究[J]. 能源工程, 2013(6): 13-16.
Peng Fadong, Shi Jidong, La Yuan, et al.Study on overvoltage protection schemes for the 35 kV vacuum circuit breakers switching off shunt reactors in 220kV substation[J]. Energy Engineering, 2013(6): 13-16.
[10] 施纪栋. 真空断路器投切35kV并联电抗器的过电压仿真研究[D]. 杭州: 浙江大学, 2014.
[11] 金百荣, 李电, 蔡重凯. 35kV并抗操作过电压治理研究[J]. 高压电器, 2013(10): 64-71.
Jin Bairong, Li Dian, Cai Zhongkai.Control of switching overvoltage for 35kV shunt reactor[J]. High Voltage Apparatus, 2013(10): 64-71.
[12] 高有华, 王尔智, 李延斌. 40.5kV真空断路器灭弧室内的暂态电场计算[J]. 电工技术学报, 2004, 19(4): 52-55.
Gao Youhua, Wang Erzhi, Li Yanbin.Calculation of transient electric field in 40.5kV vacuum inter- rupter[J]. Transactions of China Electrotechnical Society, 2004, 19(4): 52-55.
[13] Iliceto F, Cinieri E, Vita A D.Overvoltages due to open-phase occurrence in reactor compensated EHV lines[J]. IEEE Transactions on Power Apparatus & Systems, 2007, 103(3): 474-482.
[14] 杨利军. 高压并联电抗器雷电过电压保护计算分析[J]. 高电压技术, 1995, 21(4): 59-60.
Yang Lijun.Calculation an analysis of lighting overvoltage protection for HV shunt reactors[J]. High Voltage Engineering, 1995, 21(4): 59-60.
[15] 孙秋芹, 李庆民, 王冠, 等. SF₆断路器开断并联电抗器的截流过电压及其特性分析[J]. 电工技术学报, 2010, 25(2): 170-176.
Sun Qiuqin, Li Qingmin, Wang Guan, et al.Characteristic analysis of the shunt reactor switching over-voltages interrupted by SF₆ circuit breakers with chopping current[J]. Transactions of China Electro- technical Society, 2010, 25(2): 170-176.
[16] 梁营玉, 张涛, 刘建政, 等. 模型预测控制在MMC-HVDC中的应用[J]. 电工技术学报, 2016, 31(1): 128-138.
Liang Yingyu, Zhang Tao, Liu Jianzheng, et al.The applications of the model predictive control for MMC-HVDC[J]. Transactions of China Electro- technical Society, 2016, 31(1): 128-138.
[17] 张建坡, 李耐心, 田新成. 电网电压不平衡条件下模块化多电平换流器高压直流输电控制策略[J]. 电工技术学报, 2016, 31(22): 205-212.
Zhang Jianpo, Li Naixin, Tian Xincheng.The control strategies of modular multilevel converter-high voltage direct current transmission under unbalanced grid voltage conditions[J]. Transactions of China Electrotechnical Society, 2016, 31(22): 205-212.
[18] 刘斌, 武建文. 直流真空电弧强迫开断电弧形态[J]. 电工技术学报, 2016, 31(24): 157-163.
Liu Bin, Wu Jianwen.Morphology of forcing interruption arc of DC vacuum arc[J]. Transactions of China Electrotechnical Society, 2016, 31(24): 157-163.
[19] 吕安强, 寇欣, 尹成群, 等. 三芯海底电缆中复合光纤与导体温度关系建模[J]. 电工技术学报, 2016, 31(18): 59-65.
Lü Anqiang, Kou Xin, Yin Chengqun, et al.Modeling of temperature relation between optical fiber and conductor in 3-core submarine power cable[J]. Transactions of China Electrotechnical Society, 2016, 31(18): 59-65.