| 就地化IED在开关场无防护安装的接地及抗干扰方法 |
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| 引用本文： | 刘国伟,吕鹏飞,王德林,文继锋,李力. 就地化IED在开关场无防护安装的接地及抗干扰方法[J]. 电力系统自动化, 2017, 41(16): 58-63 |
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| 作者姓名： | 刘国伟 吕鹏飞 王德林 文继锋 李力 |
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| 作者单位： | 南京南瑞继保电气有限公司, 江苏省南京市 211102,国家电力调度控制中心, 北京市 100031,国家电力调度控制中心, 北京市 100031,南京南瑞继保电气有限公司, 江苏省南京市 211102,南京南瑞继保电气有限公司, 江苏省南京市 211102 |
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| 摘 要： | 针对就地化智能电子设备(IED)在开关场无防护安装时面临的接地及抗干扰问题,介绍了传统变电站二次等电位地网的设计及IED的接地方法。分析了就地化IED在开关场无防护安装时需要面对的复杂电磁兼容环境和需要解决的具体问题,提出了分布式开关场二次等电位地网的设计思路。详细阐述了就地化IED及其外部线缆在开关场无防护安装时的接地方法、就地化IED增强抗干扰能力的设计方法。厂内试验结果验证了所提方法的可行性。
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| 关 键 词： | 就地化 智能电子设备(IED) 无防护安装 分布式开关场 二次等电位地网 电磁兼容 |
| 收稿时间： | 2017-02-28 |
| 修稿时间： | 2017-07-19 |
Grounding and Anti-interference Methods of Unprotected Outdoor Installation of Intelligent Electronic Device in Switch Yard |
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| LIU Guowei,LYU Pengfei,WANG Delin,WEN Jifeng and LI Li. Grounding and Anti-interference Methods of Unprotected Outdoor Installation of Intelligent Electronic Device in Switch Yard[J]. Automation of Electric Power Systems, 2017, 41(16): 58-63 |
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| Authors: | LIU Guowei LYU Pengfei WANG Delin WEN Jifeng LI Li |
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| Affiliation: | NR Electric Co. Ltd., Nanjing 211102, China,National Electric Power Dispatching and Control Center, Beijing 100031, China,National Electric Power Dispatching and Control Center, Beijing 100031, China,NR Electric Co. Ltd., Nanjing 211102, China and NR Electric Co. Ltd., Nanjing 211102, China |
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| Abstract: | Grounding and anti-interference are the key technical concerns in the unprotected field installation of intelligent electronic devices(IEDs)in switch yard. This paper introduces traditional designs of secondary equipotential grounding grid and IED grounding methods, analyzes the complicated Electromagnetic compatibility envi-ronments and relevant specific problems in the unprotected field installation of IEDs in switch yard, recommends-design ideas for the secondary equipotential grounding grid in distributed switch yard, elaborates on the grounding methods for field installed IEDs and external cables in the unprotected installation in switch yard and design ap-proaches for higher anti-interference ability in field installed IEDs. In-house experimental results have verified the feasibility of the proposed methods. |
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| Keywords: | outdoor installation intelligent electronic device(IED) unprotected installation distributed switch yard secondary equipotential grounding grid electromagnetic compatibility(EMC) |
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