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三相四线PFC整流器缓启动探讨
引用本文:苏先进. 三相四线PFC整流器缓启动探讨[J]. 电源世界, 2009, 0(10): 24-26
作者姓名:苏先进
作者单位:厦门科华恒盛股份有限公司,361004
摘    要:高频大功率场合常用三相四线PFC整流,在SCR缓启动过徉和PFC开启的过程中,如果控制不好常常会产生大的电流冲击,以至于使功率器件损坏或误动作。本文对缓启动过程产生冲击的原因进行分析,并给出了相应的解决方案。

关 键 词:三相四线  PFC  缓启控制

On the Soft Start of PFC Rectifier with Three-phase Four- wire System
Su Xianjin. On the Soft Start of PFC Rectifier with Three-phase Four- wire System[J]. the world of power supply, 2009, 0(10): 24-26
Authors:Su Xianjin
Affiliation:Su Xianjin, Xiamen Kehua Hengsheng Co., Ltd (361004)
Abstract:The PFC rectifier with three-phase four-wire system is commonly applied in high frequency and condition. When SCR is softly started and PFC is switched on, the rectifier can generate huge current shock high power if it is not well-controlled, resulting in the damage of power device or malfunction. This article analyzes reasons that lead to current shock during soft start and provides relevant solutions
Keywords:Three-phase four-wire system   PFC   Control of soft start
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