| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To link multiple household distributed power supplies to a power system at low cost. <P>SOLUTION: A large-scale photovoltaic power generating system 1 is connected to a linkage point 3 in a power system 2 and a circuit breaker 4 is placed between the system and the linkage point 3. In the photovoltaic power generating system 1, the following operation is carried out: multiple direct-current powers from the photovoltaic power generators G1 at individual homes are converted into an alternating-current power in a lump by an inverter I1 and the alternating-current power is boosted by a transformer T2 and a transformer T1, and the boosted alternating-current power is supplied to the power system 2; a direct-current power from the photovoltaic power generator G2 at each home is converted into an alternating-current power by the inverter I2 at each home and the resulting multiple alternating-current powers are boosted in a lump by a transformer T3 and the transformer T1, and each boosted alternating-current power is supplied to the power system 2; and a direct-current power from a storage battery C is converted into an alternating-current power by an inverter I3 and the alternating-current power is boosted by a transformer T4 and the transformer T1, and the boosted alternating-current power is supplied to the power system 2. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
