| 摘要 |
An DC-AC converter used in a hybrid power supply device converts DC power from a DC power bus to AC power having a reference frequency. A transformer uses the AC power to generate the isolated AC power to be provided for the load. A control unit determines the operation mode based on the frequency of the isolated AC power. A first DC power generation unit generates the first DC power by using the first power from a photovoltaic cell based on the operation mode to provide the first DC power to the DC power bus. A second DC power generation unit generates the second DC power by using the second power from a fuel cell based on the operation mode to provide the second DC power to the DC power bus. |
