| SF6断路器异常打压原因分析及解决方法 |
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| 引用本文： | 韦斌. SF6断路器异常打压原因分析及解决方法[J]. 南方电网技术, 2008, 2(6): 96-98 |
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| 作者姓名： | 韦斌 |
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| 作者单位： | 广东电网公司佛山供电局,广东,佛山,528000 |
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| 摘 要： | SR断路器油泵频繁启动是一种发生率较高的故障。本文就近期佛山地区出现的部分LW6系列SF6断路器异常打压现象进行分析和检查，发现液压机构油压开关的微动开关KP1出现了质量问题。提出更换微动开关KP1以及改进电动机启动回路两种解决办法，有效消除了此类故障，确保SR断路器安全可靠运行。
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| 关 键 词： | SF6断路器 液压机构 微动开关 |
| 收稿时间： | 2008-05-26 |
Analysis and Solution of Pressure Abnormity in SF6 Circuit-breaker |
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| WEI Bin. Analysis and Solution of Pressure Abnormity in SF6 Circuit-breaker[J]. Southern Power System Technology, 2008, 2(6): 96-98 |
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| Authors: | WEI Bin |
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| Affiliation: | Foshan Power Supply Bureau of Guangdong Power Grid Corporation |
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| Abstract: | Frequent start-up of SF6 circuit-breaker's oil pump is one of the faults with high frequency. The paper analyzes the phenomena of pressure abnormity of LW6 Series SF6 circuit-breaker in Foshan and inspects the circuit-breaker. It is discovered that the quality of micro-switch KP1 of the oil pressure switch in hydraulic-spring mechanism of SF6 circuit-breaker is debased. Proposals of replacing micro-switch KP1 and amelioration of start-up motor circuit are presented. Practice of the proposals effectively eliminates the fault and ensures the safe operation of SF6 circuit-breaker. |
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| Keywords: | SF6 circuit-breaker hydraulic-spring mechanism micro-switch |
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