一起500kV断路器非全相跳闸故障分析及处理 |
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引用本文: | 马助兴,孟延辉,胡银素,等.一起500kV断路器非全相跳闸故障分析及处理[J].河北电力技术,2014(1):35-36,48. |
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作者姓名: | 马助兴 孟延辉 胡银素 等 |
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作者单位: | 国网河北省电力公司检修分公司,石家庄050070 |
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摘 要: | 对500kV断路器非全相跳闸故障进行分析,认为内弹簧存在卡涩,弹簧无法压缩,导致合闸不成功是故障的主要原因,提出更换三相机构防跳销钉的处理措施,并说明处理效果及建议。
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关 键 词: | 断路器 跳闸 非全相 防跳销钉 |
Fault Analysis and Settlement on An Open-phase Trip Accident of 500kV Breaker |
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Abstract: | This paper analyzes the cause of an open-phase trip of 500kV circuit breaker considers that the unsmooth of the spring in the spring prevention pin,the spring cannot un-compressed leading to close un-successful,are the main reason for the failure.Proposes to replac three-phase institutions anti-jump pin, indicates the treatment effect,and puts forward related suggestions. |
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Keywords: | breaker trip open-phase anti-jump pin |
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