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    • 9. 发明授权
    • D.C.-d.c. converter with a transformer and a reactance coil
    • 直升机 变压器和电抗线圈
    • US06323627B1
    • 2001-11-27
    • US09623112
    • 2000-11-15
    • Claus SchmiedererRobert Kern
    • Claus SchmiedererRobert Kern
    • G05F110
    • H05B41/2885H02M3/155H05B41/2882Y02B20/202
    • A DC-DC converter having a transformer, a reactance coil and a controllable switch for turning a DC supply voltage on and off. The contact gap of a switching transistor is set at a reference potential at a connecting tap between a primary winding and a secondary winding of the reactance coil, which is connected like a transformer with a certain transformation ratio. The anode-cathode segment of a diode and an output capacitor are set at reference potentials in series with the secondary winding of the reactance coil, with the output voltage for a load being applied across the output capacitor. The DC supply voltage is supplied to the primary winding of the reactance coil over an inductance arrangement, and a capacitance arrangement is arranged in parallel with the contact gap of the switching transistor so that a series resonant circuit, which is operative in the turn-on and turn-off phases of the switching transistor, is provided by the inductance arrangement and the capacitance arrangement.
    • 一种具有变压器,电抗线圈和用于开启和关闭直流电源电压的可控开关的DC-DC转换器。 开关晶体管的接触间隙在电抗线圈的初级绕组和次级绕组之间的连接分接头处被设定为基准电位,其以变换比例变化地连接。 二极管的阳极 - 阴极段和输出电容器被设置为与电抗线圈的次级绕组串联的参考电位,负载的输出电压施加在输出电容器两端。 直流电源电压通过电感装置提供给电抗线圈的初级绕组,并且电容布置与开关晶体管的接触间隙并联布置,使得串联谐振电路在导通时工作 和开关晶体管的截止相位由电感布置和电容布置提供。