| 摘要 |
A power conversion apparatus according to the embodiment of the present invention, in a power conversion apparatus for supplying charging power to the battery of an electric vehicle, includes an alternating current-direct current conversion part changing an alternating current supplied by a power system into a direct current or changing a direct current output by a direct current-direct current conversion part or a power storage part into an alternating current; the direct current-direct current conversion part changing a direct power source converted by the alternating current-direct current conversion part into a first direct power source corresponding to the voltage range of the power storage part or changing the charging power of the power storage part into a second direct power source corresponding to the voltage range of the power system or the voltage range of the battery; The power storage part stores the direct current power source converted by the alternating current-direct current conversion part or the first direct current power source converted by the direct current-direct current conversion part; and a control part determining the operation state of the power conversion device and controlling the path of a conversion power source and the operation of the alternating current-direct current conversion part and the direct current-direct current conversion part according to the determined operation state. [Reference numerals] (110) Power system;(120) AC-DC conversion part;(130) DC-DC conversion part;(190) Motion control part |
