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热词
    • 32. 发明授权
    • Power supply for magnetron and the like loads
    • 磁控管等的电源负载
    • US4281372A
    • 1981-07-28
    • US86826
    • 1979-10-22
    • William P. Kornrumpf
    • William P. Kornrumpf
    • H05B6/68
    • H05B6/666H05B6/68
    • A flyback-type high-frequency, high-voltage power supply for energizing a self-rectifying load, such as a magnetron microwave power generator for a microwave oven and the like. A switching device is connected in series with a primary winding of a transformer to provide pulses of energy to a self-resonant circuit at the transformer secondary winding. The self-resonant circuit includes the electrical capacitance of the load connected across the transformer secondary winding. The load conducts only for unipolarity excitation exceeding a minimum magnitude. A clamping diode is positioned in parallel with the switching device, at the transformer primary winding, to protect the switching device from reverse-voltage effects. A high-voltage rectifier is not required in this relatively light-weight power supply.
    • 用于激励自整流负载的反激式高频,高压电源,例如用于微波炉的磁控管微波发生器等。 开关装置与变压器的初级绕组串联连接,以向变压器次级绕组的自谐振电路提供能量脉冲。 自谐振电路包括跨变压器次级绕组连接的负载的电容。 负载仅对超过最小值的单极化激励。 在变压器初级绕组处,钳位二极管与开关器件并联放置,以保护开关器件免受反向电压影响。 在这种相对较轻的电源中不需要高压整流器。