| 摘要 |
A solar photovoltaic system with a capacitance-converting function provides a DC power source through a solar cell, and the DC power source is converted into an AC power source, thus performing a grid-connected operation with a utility power. The solar photovoltaic system further includes a capacitance conversion apparatus, a DC-to-DC converter, a DC-to-AC converter, and a filter circuit. In addition, the capacitance conversion apparatus has an inductor, a first power switch component, a second power switch component, and a capacitor, which are electrically connected to each other. Instead of the conventional electrolytic capacitor, the capacitor conversion apparatus is used to provide energy-storing, energy-releasing, and filtering functions, thus increasing the operation life of the solar
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