周原;赵立进;康鹏;吴晖;曾华荣;罗飞;马晓红;

• 1:南方电网公司贵州电网公司
• 2:南方电网公司贵州电网公司
• 3:南方电网公司贵州电力试验研究院
• 4:南方电网公司贵州电力试验研究院

摘要(Abstract)：

比较了配电网中性点采用小电流接地、经自动跟踪补偿消弧装置接地、经低电阻接地这3种常用的接地方式的优缺点。分析了贵州省10kV城市配电网的特点,并对贵州省中心城市主要变电站电容电流进行测试,提出了贵州省10kV城市配电网中性点宜采取经自动跟踪消弧装置接地的方式,指出了应用经自动跟踪消弧装置接地方式时必须注意的问题。实际运行结果表明在贵州省采用上述接地方式可大大提高当地的供电可靠性。

关键词(KeyWords)： 配电网;中性点接地;接地方式;消弧线圈;自动跟踪

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 周原;赵立进;康鹏;吴晖;曾华荣;罗飞;马晓红;

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参考文献(References)：

• [1]戴克铭.配电系统中性点接地方式的分析[J].电网技术,2000,24(10):52-55.Dai Keming.Analysis on neutral grounding of distribution system[J].Power System Technology,2000,24(10):52-55(in Chinese).
• [2]李福寿.中性点非有效接地电网的运行[M].北京:水利电力出版社,1993.
• [3]要焕年,曹梅月.电缆网络的中性点接地方式问题[J].电网技术,2003,27(2):84-89.Yao huannian,Cao yuemei.On neutral grounding modes of cable network[J].Power System Technology,2003,27(2):84-89(in Chinese).
• [4]Detjen E R,Shah K R.Grounding transformer applications and associated protection schemes[J].IEEE Trans on Industry Applications,1992,28(4):788-796.
• [5]曾祥君,尹项根,张哲,等.配电网接地故障负序电流分布及接地保护原理研究[J].中国电机工程学报,2001,21(6):84-89.Zeng Xiangjun,Yin Xianggen,Zhang Zhe,et al.Study for negative sequence current distributing and ground fault protection in middle voltage power systems[J].Proceedings of the CSEE,2001,21(6):84-89(in Chinese).
• [6]庞清乐,孙同景,穆健,等.基于神经网络的中性点经消弧线圈接地系统故障选线方法[J].电网技术,2005,29(24):78-81.Pang Qingle,Sun Tongjing,Mujian,et al.Neural network base faulty line detecdtion method for power system with netural grounding via arc suppression cail[J].Power System Technology,2005,29(24):78-81(in Chinese).
• [7]刘明岩.配电网中性点接地方式的选择[J].电网技术,2004,28(16):86-89.Liu Mingyan.Selection of neutral grounding modes in power distribution network[J].Power System Technology,2004,28(16):86-89(in Chinese).
• [8]王吉庆,沈其英.中性点经消弧线圈接地系统的单相接地故障选线[J].电网技术,2003,27(9):78-79.Wang Jiqing,Shen Qiying.Single phase grounded line detection for power network with arc suppression coil grounding[J].Power System Technology,2003,27(9):78-79(in Chinese).
• [9]陈维江,蔡国雄,蔡雅萍,等.10kV配电网中性点经消弧线圈并联电阻接地方式[J].电网技术,2004,28(24):56-60.Chen Wei jiang,Cai Guoxiong,Cai Yaping,et al.neutral grounding mode in10kV distribution network via peterson coil with parallel resistance[J].Power System Technology,2004,28(24):56-60(in Chinese).
• [10]陆国庆,姜新宇,梅中健,等.配电网中性点接地的新途径[J].电网技术,2004,28(2):32-35.Lu Guoqing,Jiang Xinyu,Mei Zhongjian,et al.A new approach to neutral grounding in distribution networks[J].Power System Technology,2004,28(2):32-35(in Chinese).
• [11]曾祥君,尹项根,于永源,等.基于注入变频信号法的经消弧线圈接地系统控制与保护新方法[J].中国电机工程学报,2000,20(1):29-32,36.Zeng Xiangjun,Yin Xianggen,Yu Yongyuan,et al.New methods for control and protection relay in a compensated medium voltage distribution network based on injecting various frequency current[J].Proceedings of the CSEE,2000,20(1):29-32,36(in Chinese).
• [12]赵爽喜.ZBX自动跟踪补偿消弧装置在35kV系统中的应用[J].电网技术,2001,25(5):68-70.Zhao shuangxi.Application of ZBX type of automatic tracing compensation arc suppression device in35kV power network[J].Power System Technology,2001,25(5):68-70(in Chinese).
• [13]薛永端,徐丙垠,冯祖仁,等.小电流接地故障暂态方向保护原理研究[J].中国电机工程学报,2003,23(7):51-56.Xue Yongduan,Xu Bingyin,FengZuren,et al.The principle of directional earth fault protection using zero sequence transients in non-solid earthed network[J].Proceedings of the CSEE,2003,23(7):51-56(in Chinese).
• [14]李孟秋,王耀南,王辉,等.小电流接地系统单相接地故障点探测方法的研究[J].中国电机工程学报,2001,21(10):6-9.Li Mengqiu,Wang Yaonan,Wang Hui,et al.A new approach on detecting the single-to ground fault location on power system with neutral unearthed[J].Proceedings of the CSEE,2001,21(10):6-9(in Chinese).
• [15]DL/7620-1997,交流电气装置的过电压保护和绝缘配合[S].北京:中国电力出版社,1997.
• [16]陆国庆,姜新宇,欧阳旭东,等.影响消弧线圈应用效果的重要性能[J].电网技术,2001,25(11):62-65.Lu Guoqing,Jiang Xinyu,Ouyang Xudong,et al.Influence of main performance of arc-suppressioncoil on its applied effect[J].Power System Technology,2001,25(11):62-65(in Chinese).
• [17]林志超.中压电网系统中性点接地方式的选择与应用[J].高电压技术,2004,30(4):60-62.Lin zhichao.The selection and application of neutral grounding method of MV network[J].High Voltage Engineering,2004,30(4):60-62(in Chinese).
• [18]GB311.1-1997.高电压输变电设备的绝缘配合[S].北京:中国电力出版社,1998.
• [19]要焕年,曹梅月.电力系统谐振接地[M].北京:中国电力出版社,2000.
• [20]解广润.电力系统过电压[M].北京:水利电力出版社,1985.