| 摘要 |
If a rectifier having Walk-in characteristics is directly connected to a dc-dc converter, an output current of the rectifier violently fluctuates because of the Walk-in characteristics of the rectifier. The Walk-in characteristics have been improved by connecting an apparatus in parallel with the rectifier. The apparatus includes a storage battery and a switch. During the Walk-in period, the switch is closed and the storage battery supplements the capacity of the rectifier. After that, the switch is opened and the storage battery is charged by a current flowing through a diode and a resistor.
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