| 双母双分段接线中母联和分段失灵及死区故障时母差保护动作行为分析 |
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| 引用本文： | 王同发,罗俊.双母双分段接线中母联和分段失灵及死区故障时母差保护动作行为分析[J].江苏电机工程,2009,28(2):16-19. |
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| 作者姓名： | 王同发 罗俊 |
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| 作者单位： | 连云港供电公司,江苏,连云港,222004 |
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| 摘 要： | 介绍了双母线双分段接线方式下母差保护的配置。着重分析母线故障情况下母联开关或分段开关失灵以及发生死区故障母差保护的动作过程．阐明了母联开关失灵和死区故障与分段开关失灵和死区故障母差保护动作行为上的区别．列表说明发生这些故障时母差保护面板上信号灯动作情况。
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| 关 键 词： | 开关失灵 死区故障 动作行为 分析 |
Analysis of Bus Differential Protection Action on Bus Coupler and Subsection Malfunction and Dead-zone Fault in Dual-bus Dual-subsection Connection |
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| WANG Tong-fa,LUO Jun.Analysis of Bus Differential Protection Action on Bus Coupler and Subsection Malfunction and Dead-zone Fault in Dual-bus Dual-subsection Connection[J].Jiangsu Electrical Engineering,2009,28(2):16-19. |
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| Authors: | WANG Tong-fa LUO Jun |
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| Affiliation: | Lianyungang Power Supply Company;Lianyungang 222004;China |
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| Abstract: | This paper introduces the configuration of bus protection in dual-bus dual-subsection connection,and puts emphasis on analysis of action of bus differential protection in bus coupling breakers or sectional switches malfunction and dead-zone fault,and also expounds the differences between bus coupling breaker malfunction and sectional switch malfunction.The actions of the signal lamp in the platform of bus differential protection are listed when the faults happen. |
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| Keywords: | switch malfunction dead-zone fault action analysis |
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