| 摘要 |
Disclosed are a tramcar power system and a method for controlling the system, the system comprising: a fuel cell (11) coupled to an unidirectional direct-current converter (14); a super capacitor (12) coupled to a first bi-directional direct-current converter (15); and a power battery (13) coupled to a second bi-directional direct-current converter (16), wherein the unidirectional direct-current converter (14), the first bi-directional direct-current converter (15) and the second bi-directional direct-current converter (16) are coupled to an inverter (18) via a direct-current bus (17); the inverter (18) is coupled to a motor of the tramcar; the fuel cell (11), the super capacitor (12), the power battery (13), the first bi-directional direct-current converter (15), the second bi-directional direct-current converter (16) and the inverter (18) are coupled to a master control unit (19); and the master control unit (19) is coupled to a controlling device of the tramcar. |
| 主权项 |
1. A tramcar power system, comprising: a fuel cell, a super capacitor, a power battery, an unidirectional direct-current converter, a first bi-directional direct-current converter, a second bi-directional direct-current converter, a direct-current bus, an inverter, and a master control unit,
wherein the fuel cell is coupled to the unidirectional direct-current converter, the super capacitor is coupled to the first bi-directional direct-current converter, and the power battery is coupled to the second bi-directional direct-current converter; the unidirectional direct-current converter, the first bi-directional direct-current converter and the second bi-directional direct-current converter are coupled to the inverter via the direct-current bus; the inverter is coupled to a motor of the tramcar; the fuel cell, the super capacitor, the power battery, the first bi-directional direct-current converter, the second bi-directional direct-current converter and the inverter are coupled to the master control unit; and the master control unit is coupled to a tramcar controlling device of the tramcar. |
