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    • 1. 发明授权
    • Digital average input current control in power converter
    • 电源转换器的数字平均输入电流控制
    • US08319483B2
    • 2012-11-27
    • US12187335
    • 2008-08-06
    • Amir FishelovMeir GazitNikolay Radimov
    • Amir FishelovMeir GazitNikolay Radimov
    • G05F1/40G05F1/613
    • H02M3/1582H02M3/157Y02E10/56
    • A digital average-input current-mode control loop for a DC/DC power converter. The power converter may be, for example, a buck converter, boost converter, or cascaded buck-boost converter. The purpose of the proposed control loop is to set the average converter input current to the requested current. Controlling the average input current can be relevant for various applications such as power factor correction (PFC), photovoltaic converters, and more. The method is based on predicting the inductor current based on measuring the input voltage, the output voltage, and the inductor current. A fast cycle-by-cycle control loop may be implemented. The conversion method is described for three different modes. For each mode a different control loop is used to control the average input current, and the control loop for each of the different modes is described. Finally, the algorithm for switching between the modes is disclosed.
    • 用于DC / DC电源转换器的数字平均输入电流模式控制回路。 功率转换器可以是例如降压转换器,升压转换器或级联降压 - 升压转换器。 所提出的控制回路的目的是将平均转换器输入电流设置为所请求的电流。 控制平均输入电流可以与诸如功率因数校正(PFC),光伏转换器等的各种应用相关。 该方法是基于测量输入电压,输出电压和电感电流来预测电感电流。 可以实现快速的逐周期控制环路。 描述了三种不同模式的转换方法。 对于每个模式,使用不同的控制环来控制平均输入电流,并且描述每个不同模式的控制回路。 最后,公开了用于在模式之间切换的算法。
    • 5. 发明申请
    • DIGITAL AVERAGE INPUT CURRENT CONTROL IN POWER CONVERTER
    • 电源转换器的数字平均输入电流控制
    • US20090039852A1
    • 2009-02-12
    • US12187335
    • 2008-08-06
    • Amir FishelovMeir GazitNikolay Radimov
    • Amir FishelovMeir GazitNikolay Radimov
    • G05F1/565
    • H02M3/1582H02M3/157Y02E10/56
    • A digital average-input current-mode control loop for a DC/DC power converter. The power converter may be, for example, a buck converter, boost converter, or cascaded buck-boost converter. The purpose of the proposed control loop is to set the average converter input current to the requested current. Controlling the average input current can be relevant for various applications such as power factor correction (PFC), photovoltaic converters, and more. The method is based on predicting the inductor current based on measuring the input voltage, the output voltage, and the inductor current. A fast cycle-by-cycle control loop may be implemented. The conversion method is described for three different modes. For each mode a different control loop is used to control the average input current, and the control loop for each of the different modes is described. Finally, the algorithm for switching between the modes is disclosed.
    • 用于DC / DC电源转换器的数字平均输入电流模式控制回路。 功率转换器可以是例如降压转换器,升压转换器或级联降压 - 升压转换器。 所提出的控制回路的目的是将平均转换器输入电流设置为所请求的电流。 控制平均输入电流可以与诸如功率因数校正(PFC),光伏转换器等的各种应用相关。 该方法是基于测量输入电压,输出电压和电感电流来预测电感电流。 可以实现快速的逐周期控制环路。 描述了三种不同模式的转换方法。 对于每个模式,使用不同的控制环来控制平均输入电流,并且描述每个不同模式的控制回路。 最后,公开了用于在模式之间切换的算法。