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发明公开
CN104584406A 开关DC-DC转换器 有权 转让

开关DC-DC转换器
摘要：
DC-DC转换器(42)包括与变压器(54)串联连接的DC-AC转换器(52)和AC-DC转换器(56)，DC-AC转换器和AC-DC转换器两者都包括半导体开关(58，62)。用于控制DC-DC转换器(42)的方法包括以下步骤：确定DC-DC-转换器(42)的DC输入电压(82)和DC输出电压(84)；基于DC输入电压(82)和DC输出电压(84)而确定开关条件(C)是否被满足；以及产生具有开关脉冲(140，142)的开关信号(98，100)，以开关DC-AC转换器(52)和AC-DC转换器(56)中的至少一个的半导体开关(58，82)，其中，当开关条件(C)未被满足时，阻止开关脉冲(140，142)的产生。
摘要（英）：

A DC-to-DC converter (42) comprises a DC-to-AC converter (52) and an AC-to-DC converter (56) which are connected in series with a transformer (54). Both the DC-to-AC converter and the AC-to-DC converter comprises semiconductor switches (58, 62). A method for controlling the DC-to-DC converter (42) comprises the steps of: determining a DC input voltage (82) and a DC output voltage (84) of the DC-to-DC-converter (42); determining whether a switching condition (C) based on the DC input voltage (82) and the DC output voltage (84) is fulfilled; and generating a switching signal (98, 100) with switching pulses (140, 142) for switching the semiconductor switches (58, 82) of at least one of the DC-to-AC converter (52) and the AC-to-DC converter (56), wherein the generation of switching pulses (140, 142) is blocked when the switching condition (C) is not fulfilled.

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