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发明公开
CN107453440A 一种基于电力电子变压器的充电装置 无效 - 驳回

一种基于电力电子变压器的充电装置
摘要：
本发明公开了一种基于电力电子变压器的充电装置，它包括电力电子变压器、控制单元、直流计量表、双向DC/DC变换器、DC/DC变换器、锂电池储能单元、低压辅助电源单元、控制单元；电力电子变压器与控制单元连接，直流母线与电力电子变压器连接；直流母线还与直流充电枪连接；直流计量表与直流充电枪连接；直流母线还与双向DC/DC变换器连接，锂电池储能单元与双向DC/DC变换器连接；直流母线还与DC/DC变换器连接；低压辅助电源单元与DC/DC变换器连接。本发明取得的有意效果是：能够输出交流充电和直流充电，且控制灵活、方便，可用于电动汽车充电，可节约大量的交、直流充电桩的建设费用，减少土地占用。
摘要（英）：

The invention discloses a charging device based on a power electronic transformer. The charging device includes a power electronic transformer, a control unit, a direct current meter, a bidirectional DC/DC converter, a DC/DC converter, a lithium battery energy storage unit, a low voltage auxiliary power unit and a control unit; the power electronic transformer is connected with the control unit, and a direct current bus is connected with the power electronic transformer; the direct current bus is also connected with a direct current charging gun; the direct current meter is also connected with the bidirectional DC/DC converter, and the lithium battery energy storage unit is connected with the bidirectional DC/DC converter; the direct current bus is also connected with the DC/DC converter; and the low voltage auxiliary power unit is connected with the DC/DC converter. The beneficial effects of the charging device provided by the invention are that alternating current charging and direct current charging can be output, control is flexible and convenient, and the charging device can be used for electric automobile charging, can reduce a large amount of construction cost of alternating current and direct current charging piles, and can reduce land occupation.

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