| 220 kV保护死区问题的探讨及改进 |
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| 引用本文： | 王建雄,罗志平,梁运华.220 kV保护死区问题的探讨及改进[J].继电器,2006,34(7):83-86. |
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| 作者姓名： | 王建雄 罗志平 梁运华 |
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| 作者单位： | 湖南省超高压输变电公司 湖南长沙410015(王建雄，罗志平)，湘潭电业局 湖南湘潭411100(梁运华) |
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| 摘 要： | 在继电保护的设计、施工、调试等实践工作中,有时因为疏忽导致保护死区的产生。该文简要分析了在现场接线中存在的几种常见的保护死区故障,即:各类断路器与断路器电流互感器之间的死区故障。简单介绍了几种保护死区故障产生的原因,针对这几个问题提出了几种解决保护死区的方法,并强调了在处理这些问题时应该引起高度重视的相关注意事项。
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| 关 键 词： | 保护死区 断路器失灵 启动失灵 母联开关 |
| 文章编号： | 1003-4897(2006)07-0083-04 |
| 收稿时间： | 2005-08-01 |
| 修稿时间： | 2005-09-01 |
Discussion and improvement about the question of 220 kV protection's dead-zone |
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| WANG Jian-xiong , LUO Zhi-ping, LIANG Yun-hua.Discussion and improvement about the question of 220 kV protection''''s dead-zone[J].Relay,2006,34(7):83-86. |
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| Authors: | WANG Jian-xiong LUO Zhi-ping LIANG Yun-hua |
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| Abstract: | In the design,construction and debugging work of relay protection,protection dead-zone happens because of careless operation.In this paper,several common protection dead-zones that exist in the spot connection are analyzed briefly,including faults between circuit breakers and CT of circuit breaker.Reasons of several dead-zone protection fault are analyzed.Several methods to settle protection dead-zone are put forward. |
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| Keywords: | protection dead-zone breaker failure start failure protection bus tie circuit breaker |
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