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发明名称
自矫正升压式有源滤波开关电源
摘要
本发明涉及一种自矫正升压式有源滤波开关电源。它由保护抑制电路、射频干扰滤波电路、整流电路、矫正升压电路、高频滤波电路、直流输出电压电路六部分组成。它设置在电源与负载之间。特点是:提高功率因数,减少电流总谐滤,抑制射频干扰,获得高质量的直流电压,它可广泛用于电器设备的电源滤波。
申请公布号
CN1346173A
申请公布日期
2002.04.24
申请号
CN00116126.1
申请日期
2000.09.26
申请人
殷刚
发明人
殷刚
分类号
H02M3/24;H02M3/335;H02M1/12
主分类号
H02M3/24
代理机构
代理人
主权项
一种自矫正升压式有源滤波开关电源,在自矫正升压式有源滤波开关电源中设置有由二极管、场效应管、矫正器、电阻、电容、线圈、保险丝、压敏电阻组成的自矫正升压式有源滤波开关电源电路,它设置在交流电源和负载之间,由保护抑制电路,射频干扰滤波电路、整流电路、矫正升压电路、高频滤波电路、直流电压输出电路六部分组成。保护抑制电路由保险丝F和压敏电阻RV构成;射频干扰滤波电路由电容C1、C2、C3、C4、电感L构成;整流电路由二极管D1、D2、D3、D4构成;矫正升压电路由电阻R1、R2、R3、R4、R5、R6、升压变压器T、矫正器A、场效应管Q、正向导通二极管D构成;滤波电路由电解电容C5构成;直流输出电压由R7、R8、R9构成。其中矫正器A由误差放大器1、修正器2、过零检测器3、倒相器4、识别器5、触发器6、基准电压7、偏差放大器8、启动器9构成。
地址
610041四川省成都市玉林南路36号
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