Photovoltaic inverter with a novel cycloconverter for interconnection to a utility line
Book
·
OSTI ID:427944
- Fuji Electric Corporate Research and Development, Ltd., Hino, Tokyo (Japan)
- Fuji Electric Co., Ltd., Kobe, Hyogo (Japan)
A PV (PhotoVoltaic) inverter is the power conversion equipment that converts dc power generated by PV-cells into isolated ac power and interconnects it to a utility line. This paper describes a PV inverter with a novel cycloconverter for interconnection to a utility line. The authors developed this novel cycloconverter as a way of frequency conversion so that a small, high-frequency transformer can be used to minimize the size of the PV inverter. The authors manufactured a 3kW PV inverter as an experimental model with this novel cycloconverter for interconnection to a utility line. This equipment is 25% the size in volume and 17% the weight compared to the previous commercial-frequency isolation type inverter. In rated operations, excellent results were obtained; the output current distortion factor was less than 5.0% and conversion efficiency was as high as 92.1%.
- OSTI ID:
- 427944
- Report Number(s):
- CONF-9510203--
- Country of Publication:
- United States
- Language:
- English
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