Brief Analysis on the Damages of and Prevention against Arcs of Terminal Power Distribution System of Buildings

HU Hongyu PAN Yi QIAN Chaogang（Siemens Ltd. China，Beijing 100102，China）

 

   Abstract：Arc fault detection device is capable of effectively identifying various arcs produced in the terminal power distribution system，preventing fault arcs，and reducing the fire risk caused by fault arcs. The damages of and prevention against arcs of terminal power distribution system of buildings are analyzed in terms of the types of arc，the protection principle，relevant standards and codes，etc.

    Key words：electrical fire；terminal power distribution system；arc；arc fault detection；fault arc analysis；fault arc prevention；AFDD；RCD

 

    摘 要：电弧故障检测装置可有效对末端配电系统产生的各类电弧进行甄别、对故障电弧进行防护，降低由于故障电弧引起的火灾危险。从电弧种类、保护原理、相关标准法规等方面入手，分析建筑物末端配电系统电弧危害及其防护。

   关键词：电气火灾；末端配电系统；电弧；电弧故障检测；故障电弧分析；故障电弧防护；AFDD；RCD

    doi：10. 3969 / j. issn. 1003 - 8493. 2016. 03. 005