| 城市建筑配电系统中低压断路器选用问题的探讨 |
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| 引用本文： | 任建国,高翠萍.城市建筑配电系统中低压断路器选用问题的探讨[J].低压电器,2007(22):45-49. |
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| 作者姓名： | 任建国 高翠萍 |
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| 作者单位： | 太原供电分公司设计研究院,山西太原,030012 |
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| 摘 要： | 当前城市建筑配电系统中,在低压断路器的选用、上下级断路器之间的配合等方面存在一些问题,达不到选择性保护的要求,越级跳闸严重,影响电网供电的可靠性.就城市建筑配电系统中低压断路器的额定电流、脱扣动作特性及短路分断能力等技术参数的选择进行了分析和探讨,以提高电网供电的可靠性.
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| 关 键 词： | 城市建筑配电系统 低压断路器 选择性 短路分断能力 |
| 文章编号： | 1001-5531(2007)22-0045-05 |
| 修稿时间： | 2007年1月12日 |
Discussion about Selection of Low Voltage Circuit Breaker in Building Power Distribution System of City |
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| REN Jianguo,GAO Cuiping.Discussion about Selection of Low Voltage Circuit Breaker in Building Power Distribution System of City[J].Low Voltage Apparatus,2007(22):45-49. |
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| Authors: | REN Jianguo GAO Cuiping |
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| Abstract: | There are some problems about the selection of low voltage circuit breaker and the coordination between upstream circuit breaker and downstream circuit breaker in the building power distribution system of city presently.It does not meet the demands for selective protection and leads to unwanted tripping,so that the reliability of power supply was influenced.The issues about the selection of the rated current,tripping characteristics and short circuit breaking capacity of low voltage circuit breaker in building power distribution system were analyzed and discussed in order to improve the reliability of power supply. |
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| Keywords: | building power distribution system of city low voltage circuit breaker selectivity short circuit breaking capacity |
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