Matrix charger apparatus and charging method

摘要

A charger apparatus and a charging method are provided for charging/discharging battery modules connected in series. The chargers of the charger apparatus are grouped at least into a first charger group and a second charger group. The first terminal of the first charger of the first charger group is coupled to the positive terminal of the i-th battery module of the battery modules, and the second terminal of the first charger is coupled to a first node between the j-th battery module and the k-th battery module of the battery modules, wherein j ranges between i and k. The first terminal of the second charger of the second charger group is coupled to a second node between the i-th battery module and the j-th battery module, and the second terminal of the second charger is coupled to the negative terminal of the k-th battery module.

主权项

1. A charger apparatus for charging and discharging a battery module series, the battery module series comprising a plurality of battery modules mutually connected in series, the charger apparatus comprising a plurality of chargers, the chargers being at least grouped into a first charger group and a second charger group, and the chargers comprising:
a first charger grouped into the first charger group, wherein a charging current output terminal of the first charger is coupled to a positive terminal of a i-th battery module of the battery modules, and a charging current input terminal of the first charger is coupled to a first node which is between a j-th battery module and a k-th battery module of the battery modules, wherein i, j, and k are integers, and j is between i and k; and a second charger grouped into the second charger group, wherein a charging current output terminal of the second charger is coupled to a second node which is between the i-th battery module and the j-th battery module of the battery modules, and a charging current input terminal of the second charger is coupled to a negative terminal of the k-th battery module.