| 摘要 |
PROBLEM TO BE SOLVED: To generate the nearly constant power independently of a change of wind speed by combining NaS batteries having an instantaneous capacity at a specified number times of the standard deviation value of the generated output and a charging and discharging time capacity of a specified time as a changing cycle of the average weather, and controlling charge and discharge of the NaS batteries. SOLUTION: A synchronous generator type wind power generator 2 is connected to a power system 1 through a rectifier 3 and a DC/AC converter 4 so as to form a power supply system 15, and NaS batteries 6 are connected in parallel with this power system 15 through a charging and discharging device 5. As this NaS battery 6, an NaS battery having an instantaneous capacity at 1-2 times of the standard deviation value of the generated output obtained on the basis of the mean wind speed through year at a location of the wind power generating equipment, generated output, and fluctuation of the wind speed through year and unevenness of the generated output, and having a charging and discharging time capacity at 4-8 hours as a changing cycle of the average weather is used. Fluctuation of the generated output can be thereby compensated. |
