直流を介した商用電力とガスエンジンの負荷分担(FP5 レシプロエンジンの環境対応技術)

概要

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Recently, many small sized gas engine cogeneration systems are connected to the grid by way of converter-inverter system. In those cases, AC power generator of a gas engine is connected to the converter and the outlet of the inverter is connected to the grid; generated AC is transformed to DC through the converter and retransformed to AC through the inverter. As the power output point of the system is on the grid line, various expensive grid protection apparatuses are needed, and when power service interruption occurs, some loads like computer trip. If the system is made so that the grid is connected through a converter to DC line of the converter-inverter, the system needs no grid protective apparatus because it only works as a power receiver if looked from the grid. Moreover, the system works as a UPS and the problems above mentioned may be avoided. We made such a system and tested to confirm the possibility.
社団法人日本機械学会の論文
2004-06-22