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    • 8. 发明授权
    • Multi-phase converter for DC power supply with two choppers having magnetically coupled reactors
    • 具有两个具有磁耦合电抗器的切断器的直流电源的多相转换器
    • US08750008B2
    • 2014-06-10
    • US13574289
    • 2010-02-17
    • Yoshinobu SugiyamaWanleng AngKenji Itagaki
    • Yoshinobu SugiyamaWanleng AngKenji Itagaki
    • H02M7/537H02M7/5387H02M3/24H02M7/44
    • H02M1/15H02M3/1584H02M2001/0064H02M2001/327
    • A power supply device includes: a magnetic-coupling-type multi-phase converter having first and second chopper circuits that respectively adjust respective currents flowing in first and second reactors magnetically coupled to each other, and performing voltage conversion between a DC power supply and a load; and a control circuit. The control circuit includes a determination unit and a current control unit. The determination unit determines whether the temperature of the power supply is lower than a reference temperature. In the case where the power supply temperature is lower than the reference temperature, the current control unit uses a value determined by adding an offset amount to a detected value of the reactor current to set a duty command value for the first chopper circuit and uses a detected value of the reactor current to set a duty command value for the second chopper circuit.
    • 电源装置包括:具有第一和第二斩波电路的磁耦合型多相转换器,其分别调节在彼此中磁耦合的第一和第二电抗器中流动的相应电流,并且在DC电源和 加载; 和控制电路。 控制电路包括确定单元和电流控制单元。 确定单元确定电源的温度是否低于参考温度。 在电源温度低于参考温度的情况下,电流控制单元使用通过将抵消量加到电抗器电流的检测值而确定的值来设定第一斩波电路的占空指令值,并使用 检测电抗器电流的值,以设定第二斩波电路的占空指令值。