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    • 1. 发明申请
    • CAPACITIVE POWER SUPPLY SYSTEM
    • 电力供电系统
    • US20090290396A1
    • 2009-11-26
    • US12468373
    • 2009-05-19
    • Sébastien CARCOUETDidier LEONARD
    • Sébastien CARCOUETDidier LEONARD
    • H02M7/06
    • H02H9/002H02H9/025H02M7/06Y02B70/1483
    • The invention relates to a power supply system (3) intended to supply power to an electrical load (C), the system comprising: two input terminals, namely a negative terminal and a positive terminal, connected to a supply mains (A) delivering an AC voltage; an input capacitor (C1) connected to one of the terminals of the system; a rectifier module (33) for generating a DC voltage on a DC bus from the AC voltage; a bus capacitor (Cb) connected between a positive line (31) and a negative line (32) of the DC bus, and upstream of the input capacitor (C1), two normally-on bidirectional semiconductor transistors (T1, T2) connected in series, fabricated in a wide-bandgap material and able to operate in current-limiting mode.
    • 本发明涉及一种旨在向电力负载(C)供电的供电系统(3),该系统包括:两个输入端子,即一个负极端子和一个正极端子,连接到电源(A) 交流电压; 连接到系统的一个端子的输入电容器(C1); 整流器模块(33),用于从所述AC电压产生DC总线上的DC电压; 连接在直流母线的正极线(31)和负极线(32)之间以及输入电容器(C1)上游的总线电容器(Cb),连接在两个常开双向半导体晶体管(T1,T2)上的总线电容器 系列,采用宽带隙材料制成,能够在限流模式下工作。