一起低壓綜合配電箱短路事故的分析
朱遵義，王瑞
南京工程學院附屬工廠, 江蘇 南京 211102
摘 要：針對一起低壓綜合配電箱投入運行時發生的短路事故，對該事故進行了理論分析、計算和現場驗證，發現是因加工切屑在斷路器投運震動時移位造成短路事故，且由于未在斷路器的進線端銅排之間安裝隔弧板從而導致事故擴大，并從生產制造、安裝前檢查、安裝后須進行絕緣測試等方面提出了預防措施。
關鍵詞：低壓綜合配電箱；短路事故；電弧
中圖分類號：TM642 文獻標識碼：B 文章編號：1007-3175(2014)12-0042-03
Analysis of a Short-Circuit Accident for Low-Voltage Integrated Distribution Box
ZHU Zun-yi, WANG Rui
Nanjing Institute of Technology Subsidiary Factory, Nanjing 211102, China
Abstract:Aiming at a short-circuit accident happened during low-voltage integrated distribution box running, this paper analyzed the accident theoretically and carried out calculation and onsite examine, finding that when the process chipping, the shift of circuit breakers running shaking caused the short-circuit accident. Because there was non anti-arc board installed between copper bars of inlet wire end of circuit breakers, the accident enlarged. This paper proposed some preventive measures from the aspects of production manufacturing, examine before installation, insulation testing after installation etc.
Key words: low-voltage integrated distribution box; short-circuit accident; electric arc
參考文獻
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