Simulation Study on Contacts Welding in Interruption Process of Current-Limiting MCCB
In order to study the fusion welding problem of contact in interruption process of current limiting MCCB, a numerical simulation method of three phase short-circuited interruption process is set up in this paper. Comparing with MHD Arc-molded simulation way, this paper describe Arc by controlled voltage source and take the condition of arc-splitting into consideration, thus, it enable to simulate the interruption process without limitation of current range and arc-chamber size. Applying this method, this paper study the principle and rule of contact fusion welding in the interruption process and explain the reason for that double-break MCCB is easier to fusion welding than single break MCCB.
Moulded Case Circuit Breaker (MCCB) Current-limiting Welding Numerical Simulation
Liu Hongwu Guan Ruiliang Xie Xinyi
Changshu Switchgear Mfg.Co., Ltd No.8 Jianye Road, Changshu, Jiangsu Province, China (215500)
国际会议
温州
英文
303-307
2009-10-18（万方平台首次上网日期，不代表论文的发表时间）