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Invention Publication
CN107332437A 一种单电感无桥APFC电路 有权

一种单电感无桥APFC电路
Abstract:
本发明公开了一种单电感无桥APFC电路,包括交流滤波电容C1、第一IGBT模块S1、第二IGBT模块S2，电感L、第一功率二极管D1、第二功率二极管D2、第三功率二极管D3、第四功率二极管D4、直流滤波电容E1、第一分压电阻R1、第二分压电阻R2；交流滤波电容C1的第一端部、第二功率二极管D2的负极、第一IGBT模块S1的发射极，连接电源火线；交流滤波电容C1的第二端部、第三功率二极管D3的负极以及第二IGBT模块S2的发射极连接电源零线；电感L的第一端部连接第一IGBT模块S1的集电极以及第一功率二极管D1的正极；电感L的第二端部连接第二IGBT模块S2集电极以及第四功率二极管D4的正极。
Abstract(English):

The invention discloses a single-inductor no-bridge APFC circuit, which comprises an AC filter capacitor C1, a first IGBT module S1, a second IGBT module S2, an inductor L, a first power diode D1, a second power diode D2, a third power diode D3, a fourth power diode D4, a DC filter capacitor E1, a first voltage-splitter resistor R1 and a second voltage-splitter resistor R2. A first end of the AC filter capacitor C1, the negative pole of the second power diode D2 and the emitting electrode of the first IGBT module S1 are connected with a power supply live wire; a second end of the AC filter capacitor C1, the negative pole of the third power diode D3 and the emitting electrode of the second IGBT module S2 are connected with a power supply zero wire; a first end of the inductor L is connected with the collector electrode of the first IGBT module S1 and the positive pole of the first power diode D1; and a second end of the inductor L is connected with the collector electrode of the second IGBT module S2 and the positive pole of the fourth power diode D4.

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