1992 年 112 巻 3 号 p. 264-269
In order to smooth fluctuation of a solar-only or a wind-only generating system, a solar-wind hybrid generating system has been proposed. Using computer simulation, this paper presents how an electricity consumer reduces a peak value of purchased electricity and exhaust CO2 gas by introducing the hybrid system. In the hybrid system, the energy flows are controlled on the basis of “a peak load reduction method”. System performance are evaluated in terms of the peak value and the total energy of purchased electricity. The amount of exhaust CO2 gas is assumed to be proportional to the purchased energy.
The simulations are run for a battery-only system and the hybrid system. The results show that the peak value decreases with the battery capacity and the total energy decreases with the natural energy pentration. And it is found that the appropriate values of the battery capacity and the natural energy penetration are 0.5 day of the daily load and 20-25% of the yearly load, respectively, under the load pattern and the metheorogical data adopted in this paper.
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