| 断路器本体三相不一致保护设计分析 |
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| 引用本文： | 黄远飞,彭泽华.断路器本体三相不一致保护设计分析[J].南方电网技术,2012,6(4):72-75. |
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| 作者姓名： | 黄远飞 彭泽华 |
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| 作者单位： | 广西电网公司 南宁供电局,南宁530031 |
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| 摘 要： | 220 kV及以上电压等级线路必须合理设计并配置断路器本体三相不一致保护。分析显示,本体三相不一致保护出口跳闸时,如果合闸回路有触点粘死,会导致断路器发生多次"跳跃"现象。从原理上分析断路器本体三相不一致保护与操作箱防跳回路之间的配合问题,并提出相应的改进措施和建议。
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| 关 键 词： | 断路器 三相 跳跃 继电保护 |
Analysis on the Three-Phase Inconsistent Protection Design for Circuit Breaker Body |
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| HUANG Yuanfei and PENG Zehua.Analysis on the Three-Phase Inconsistent Protection Design for Circuit Breaker Body[J].Southern Power System Technology,2012,6(4):72-75. |
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| Authors: | HUANG Yuanfei and PENG Zehua |
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| Affiliation: | Nanning Power Supply Bureau,Guangxi Power Grid Company, Nanning 530031, China;Nanning Power Supply Bureau,Guangxi Power Grid Company, Nanning 530031, China |
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| Abstract: | It is necessary to rationally design and deploy three-phase inconsistent protection for the circuit breaker body of 220 kV and above voltage transmission lines. Analysis in this paper shows that when the protection outlet trips, and at the same time the hand contact is stuck, "repeated jumps" will occur at the circuit breaker. The matching between the three-phase inconsistent protection and the anti-bounce loop in operation box is analyzed, and corresponding improvement measures are proposed. |
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| Keywords: | breaker three-phase jump relay protection |
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