The invention discloses a charging and discharging device, method and system for a battery swap station. The charging and discharging device comprises at least one bidirectional conversion module, at least one charging module, at least one bidirectional conversion control module and at least one charging control module, the bidirectional conversion control module is used for controlling the bidirectional conversion module to charge the first battery when the voltage of the first battery is greater than a first threshold value, or controlling the bidirectional conversion module to supply power to the battery swap station; when the voltage of the first battery is smaller than or equal to a second threshold value, the charging control module controls the charging module to charge the first battery; the first end of the charging control module is connected with the charging module and used for controlling the charging module to charge the first battery or the second battery. The charging and discharging device of the battery swap station not only can convert alternating current into direct current to charge the battery, but also can convert the direct current of the battery into alternating current to supply power to the battery swap station.
本发明公开了一种换电站的充放电装置、方法及系统,充放电装置包括:至少一个双向转换模块、至少一个充电模块、至少一个双向转换控制模块和至少一个充电控制模块;双向转换控制模块用于当第一电池电压大于第一阈值时,控制双向转换模块对第一电池充电,或用于控制双向转换模块对换电站供电;当第一电池电压小于或等于第二阈值时,充电控制模块控制充电模块对第一电池进行充电;充电控制模块的第一端与充电模块连接,用于控制充电模块对第一电池或第二电池充电。本发明提供的换电站的充放电装置不仅可以将交流电转换成直流电对电池充电,而且还可以将电池的直流电转换成交流电对换电站供电。
Charging and discharging device, method and system of battery swap station
一种换电站的充放电装置、方法及系统
2024-11-19
Patent
Electronic Resource
Chinese
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