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低压配电线路中断路器负载侧电缆的保护
引用本文:曹锦瑞,方鸿发. 低压配电线路中断路器负载侧电缆的保护[J]. 低压电器, 2000, 0(2): 42-44,48
作者姓名:曹锦瑞  方鸿发
作者单位:1. 新会低压开关有限公司 529100
2. 西安交通大学 710049
摘    要:针对配电线路中存在的出于负载侧电缆与保护断路器的配合不当,使和负载是不到有效的保护,导致电缆绝缘导温升过高引发线路和短路和漏电事故。本文重点介绍配电线路的保护、电缆与断中睡器的配合以及最大电缆保护长度的确定。

关 键 词:短路保护 低压配电线路 断路器 负载侧电缆

Protection of Load Side Cables in Low Voltage Distribution System
CAO Jinrui ABB Xinhui Low Voltage Switchgear Co.,Ltd.. Protection of Load Side Cables in Low Voltage Distribution System[J]. Low Voltage Apparatus, 2000, 0(2): 42-44,48
Authors:CAO Jinrui ABB Xinhui Low Voltage Switchgear Co.  Ltd.
Abstract:It is possible that the cables at the load side of a circuit breaker can not get sufficient protection due to improper matching between the circuit breaker and the cables. In order to decrease such problems as short circuit current or current leakage accidents caused by failure in insulation, it is crucial to choose proper cables and verify the current carrying capacity of the cables, as well as determining the maximum cable length.
Keywords:current carrying capacity correction factor overload protection short circuit protection let through energy
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