The invention provides a charging/discharging device and a charging/discharging system for an electric vehicle. The charging and discharging device comprises: a transformer which comprises a primary winding and a plurality of secondary windings, and the plurality of secondary windings at least comprise a first secondary winding and a second secondary winding; the plurality of ports that are respectively and electrically connected with a primary winding and a plurality of secondary windings of the transformer, and the plurality of ports at least comprise: a first port which is electrically connected with the primary winding through a first conversion circuit; a second port which is electrically connected with the first secondary winding through a second conversion circuit; the third port that is electrically connected with the second secondary winding through a third conversion circuit; and the first controllable switch that is connected between the first conversion circuit and the primary winding. The voltage of the first port of the charging and discharging device is a first voltage, the voltage of the second port is a second voltage, and the voltage of the third port is a third voltage.
本发明提供一种充放电装置以及电动车辆的充放电系统,充放电装置包括:变压器,其包括一个原边绕组以及多个副边绕组,多个副边绕组至少包括第一副边绕组和第二副边绕组;多个端口,分别与变压器的原边绕组以及多个副边绕组电气连接,其中多个端口至少包括:第一端口,通过一第一变换电路与原边绕组电气连接;第二端口,通过一第二变换电路与第一副边绕组电气连接;以及第三端口,通过一第三变换电路与第二副边绕组电气连接;以及第一可控开关,连接于第一变换电路与原边绕组之间;其中,充放电装置的第一端口的电压为第一电压,第二端口的电压为第二电压,第三端口的电压为第三电压。
Charging/discharging device and charging/discharging system for electric vehicle
充放电装置以及电动车辆的充放电系统
2021-05-14
Patent
Electronic Resource
Chinese
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