| 摘要 |
PURPOSE: To utilize energy from the standpoint of both the user and supplier of the energy efficiently by combining three kinds of power sources, namely, the commercial power supply system, solar power generation and a generator using fuel, and using the power sources. CONSTITUTION: If power load 11 <= the maximum the amount of power generation in a power generator using fuel (generator) 9, a switch 13 is connected to a terminal 17 on the side of the generator 9, and the generator 9 is operated. The power of the generator 9 is supplied into the power load 11. The power generated in a solar power generator 1 is all made to reversely flow into a commercial power source 5. If power load 11 > power the maximum power generation in the generator 9, the switch 13 is connected to a terminal 15 on the side of an inverter 3, and the generator 9 stops the operation. The power generated in the solar power generator 1 is converted into the AC power with the inverter 3, and the power is supplied into the power load 11 through a distribution board 7 together with the commercial power source 5. |
