<論文>風エネルギー利用システムの運転結果と特性

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A wind energy conversion system (WECS) was assembled with a small-scale wind driven generator of rated output 200 W, storage batteries of 12 V×500 AH and fluorescent lamps installed in a corridor of the college and controlled automatically by magnetic switch, voltage sensor and timer. The system was operated for 312 days during the period Dec. 1980 to May. 1982 measuring the wind energy density, generated electric energy, service energy and reactive energy. The degree of compatibility between the wind driven generator and the wind energy characteristics of the site was investigated from the comparison of the wind speed dependency of the machine efficiency with the wind energy distribution as a function of wind speed. Daily variations of the generated energy and the efficiency of electric generation were examined. In the average of daily energies, the wind energy of 2.70 KWH was inputted to the cross section (2.54 m^2) of rotating blades, 450 WH of which was converted to eletric energy and 360 WH was used for the lighting. The performance of the system was estimated in terms of the mean generation efficiency (16.7%) for the mean wind speed (2.9 m/s) at the site, the mean transfer efficiency of the energy through the whole system (13.1%), the final charging rate of storage batteries (79%) and the utilization factor of lighting apparatus (83%). From these, future problems were discussed. The results of simulation experiments to determine the optimum value of service power and storage capacity as a function of utilization factor of electric apparatus was given in Appendix.
宇部工業高等専門学校の論文
1983-03-23

<論文>風エネルギー利用システムの運転結果と特性

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