| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a new photovoltaic power generation system which can realize highly efficient accumulation of electricity corresponding to difference in generated energy in the morning, daytime, and evening, or in summer and winter. SOLUTION: Solar batteries are provided in the directions of southeast, south, and southwest. One solar battery facing southeast is for initial charging of a battery. Another battery facing south is for main charging of the battery. The third battery facing southwest is for supplementary charging or trickle charging of the battery.</p> |
