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    • 18. 发明授权
    • Flyback DC/DC converter using clamp diode
    • 使用钳位二极管的反激式DC / DC转换器
    • US07505289B2
    • 2009-03-17
    • US11565549
    • 2006-11-30
    • Don Sik KimSug Chin SakongSung Soo HongChung Wook RohSang Kyoo HanYoung Seung RohKwang Seung Cho
    • Don Sik KimSug Chin SakongSung Soo HongChung Wook RohSang Kyoo HanYoung Seung RohKwang Seung Cho
    • H02H7/125H02M3/335
    • H02M3/335
    • Provided is a flyback DC/DC converter for a power supply. In the flyback DC/DC converter, a flyback driver unit provides a primary current. A transformer includes a plurality of secondary coils for inducing energy from the primary coil receiving the primary current. A rectifier unit includes a plurality of rectifier diodes for rectifying secondary currents of the corresponding secondary coils of the transformer. A plurality of clamp diodes are connected in series to the corresponding rectifier diodes of the rectifier unit in a forward direction to clamp ringing voltage across the corresponding rectifier diodes when the power switch is turned off. Accordingly, the voltage across the rectifier diode on the secondary side can be reduced such that it is lower than the output voltage. Also, it is possible to remove the ringing voltage of the rectifier diode and to enhance the efficiency of the flyback DC/DC converter.
    • 提供用于电源的反激式DC / DC转换器。 在反激式DC / DC转换器中,反激驱动器单元提供初级电流。 变压器包括用于从接收初级电流的初级线圈引起能量的多个次级线圈。 整流器单元包括用于整流变压器的相应次级线圈的次级电流的多个整流二极管。 多个钳位二极管在正向上串联连接到整流器单元的对应整流二极管,以在电源开关断开时钳位相应整流二极管的振荡电压。 因此,可以减小二次侧的整流二极管两端的电压,使其低于输出电压。 此外,可以去除整流二极管的振铃电压并提高反激式DC / DC转换器的效率。
    • 19. 发明授权
    • Power supply having an improved maximum power point tracking function
    • 电源具有改进的最大功率点跟踪功能
    • US08305058B2
    • 2012-11-06
    • US12262209
    • 2008-10-31
    • Jin Wook KimSung Soo HongSang Kyoo HanChung Wook RohJong Sun KimSang Hun LeeJae Sun WonDong Seong OhJong Hae Kim
    • Jin Wook KimSung Soo HongSang Kyoo HanChung Wook RohJong Sun KimSang Hun LeeJae Sun WonDong Seong OhJong Hae Kim
    • G05F1/40G05F1/44G05F1/56
    • G05F1/67H02J3/383Y02E10/563Y02E10/58
    • The present invention relates to power supplies, and more particularly, to a power supply having a maximum power point tracking function that can reduce manufacturing costs and circuit size by using a maximum power point tracking section with a simplified circuit in a solar photovoltaic power generator supplying power using sunlight instead of using a micro controller, the maximum power point tracking section that controls power switching according to a result of integration of a value obtained by dividing a power variation by a voltage variation to track a maximum power value. A power supply having a maximum power point tracking function according to an aspect of the invention may include: a converter section switching input power, and converting the switched input power into predetermined DC power; and a maximum power point tracking section detecting a voltage and a power value of the input power, dividing a variation of the detected power by a variation of the detected voltage, integrating a result of the division, and controlling the switching operation of the converter section according to a value of the integration.
    • 本发明涉及电源,更具体地说,涉及具有最大功率点跟踪功能的电源,其能够通过在太阳能光伏发电机供电中使用具有简化电路的最大功率点跟踪部分来降低制造成本和电路尺寸 使用阳光而不是使用微控制器的电力,最大功率点跟踪部分,其根据通过将功率变化除以电压变化获得的值的积分结果来控制功率切换以跟踪最大功率值。 具有根据本发明的一个方面的具有最大功率点跟踪功能的电源可以包括:转换器部分切换输入电力,并将切换的输入功率转换成预定的直流电力; 以及最大功率点跟踪部,其检测所述输入功率的电压和功率值,通过对所述检测电压的变化进行除法检测的功率的变化,对所述分割结果进行积分,并且控制所述转换器部的切换动作 根据一体化的价值。