| 某电厂6kV开关拒动原因分析及回路改进 |
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| 引用本文： | 袁勤芳,李立民. 某电厂6kV开关拒动原因分析及回路改进[J]. 电力学报, 2013, 0(5): 385-387 |
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| 作者姓名： | 袁勤芳 李立民 |
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| 作者单位： | 国网山西省电力公司河津供电支公司;山西漳泽电力股份有限公司河津发电分公司 |
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| 摘 要： | 对一起6kV开关拒动事故进行简要介绍，对开关拒动原因进行详细分析，针对拒动原因进行了二次回路改进，完善了开关的合跳闸监视回路，消除了由于开关合跳闸回路故障不能及时发现造成的开关拒动。
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| 关 键 词： | 开关 拒动 控制回路断线 合跳闸回路监视 |
Cause Analysis of the 6 kV Circuit Breaker Refusing Action of a Certain Power Plant and Loop Improvement |
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| YUAN Qin-fang;LI Li-min. Cause Analysis of the 6 kV Circuit Breaker Refusing Action of a Certain Power Plant and Loop Improvement[J]. Journal of Electric Power, 2013, 0(5): 385-387 |
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| Authors: | YUAN Qin-fang LI Li-min |
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| Affiliation: | YUAN Qin-fang;LI Li-min;Hejin Electric Power Supply Bureau,SGSEPC;Hejin Power branch,Shanxi Zhangze Power Co..Ltd.; |
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| Abstract: | This paper briefly introduced an accident of a 6 kV circuit breaker refusing action, analyzed the cause of the accident. For the cause, the secondary loop was improved and the circuit breaker closing and tripping monitoring loop was perfected so that the breaker refusing action due to the failure of breaker closing and tripping loop was eliminated. |
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| Keywords: | circuit breaker can not trip control circuit breakdown closing and tripping circuit monitoring |
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