| 具有熔断器特性的塑壳式选择性保护直流断路器的应用 |
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| 引用本文： | 南寅,张自峰,王洪刚,朱金保.具有熔断器特性的塑壳式选择性保护直流断路器的应用[J].低压电器,2011(1):52-55. |
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| 作者姓名： | 南寅 张自峰 王洪刚 朱金保 |
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| 作者单位： | 北京人民电器厂有限公司; |
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| 摘 要： | 介绍了一种具有熔断器特性的GM5FB系列塑壳式选择性保护直流断路器。它克服了直流熔断器动作离散性大、产品特性无法检测、防护等级低（无防护等级）、报警触头动作不稳定等缺点,创新地将断路器短路脱扣器设计为短路短延时反时限脱扣器;克服了热磁式断路器短路瞬时脱扣器动作选择性差的缺点,同时又具有熔断器易于实现选择性保护,以及热磁式断路器动作稳定性高的优点,是电厂和变电站直流系统蓄电池出口及直流主馈电屏中理想的保护电器。
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| 关 键 词： | 选择性保护 直流断路器 熔断器 |
Application of Moulded Case Selective Protection DC Breaker with Fuse Characteristics |
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| NAN Yin,ZHANG Zifeng,WANG Honggang,ZHU Jinbao.Application of Moulded Case Selective Protection DC Breaker with Fuse Characteristics[J].Low Voltage Apparatus,2011(1):52-55. |
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| Authors: | NAN Yin ZHANG Zifeng WANG Honggang ZHU Jinbao |
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| Affiliation: | (Beijing People’s Electric Plant Co.,Ltd.,Beijing 102600,China) |
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| Abstract: | The GM5FB series moulded case selective protection DC breaker with fuse characteristics was intro-duced.It overcame the disadvantages of discreteness,non-detectable product feautres,low protection grade(no protection grade) and unstable alarm contacts action etc,and the breaker short-circuit release was creatively de-signed to short-circuit short time delay inverse time release.The thermal magnetic type breaker short-circuit instan-taneous release had poor action selectivity,but it overcame this disadvantag... |
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| Keywords: | selective protection DC breaker fuse |
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