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发明授权
CN104868735B 电力转换装置和电力转换方法 有权

电力转换装置和电力转换方法
摘要：
提供了电力转换装置和电力转换方法。在一种电力转换装置的电力转换方法中，该电力转换装置包括布置在初级侧电路(20)中的多个初级侧端口(60a，60c)和布置在次级侧电路(30)中的次级侧端口(60b，60d)，该次级侧电路(30)利用变压器磁耦接到初级侧电路(20)，该电力转换装置调整在初级侧电路(20)与次级侧电路(30)之间传输的传输电力，并且初级侧电路(20)的切换的占空比或者次级侧电路(30)的切换的占空比被改变，该方法包括：当相位差是上限值并且第一初级侧端口(60a)的检测电压小于第二初级侧端口(60c)的目标电压与100/第三占空比(α)的乘积时，将第一占空比或第二占空比固定为第三占空比(α)。
摘要（英）：

There is provided a power conversion method of a power conversion device including a plurality of primary side ports disposed in a primary side circuit and a secondary side port disposed in a secondary side circuit magnetically coupled to the primary side circuit using a transformer, the power conversion device adjusting transmitted power transmitted between the primary side circuit and the secondary side circuit, and a duty ratio of the switching of the primary side circuit or a duty ratio of the switching of the secondary side circuit being changed, including fixing the first duty ratio or the second duty ratio to the third duty ratio when the phase difference is the upper limit value and the detected voltage of the first primary side port is less than the product of the target voltage of the second primary side port and 100/the third duty ratio.

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