| 摘要 |
PURPOSE:To increase the flexibility of a power supply system and to make it have versatility to various requests of load by providing plural power sources, plural power transmission means, and plural power conversion means. CONSTITUTION:A power receiving facility 1b which obtains power from an external power system 1a, a private power generation facility 1c, a congenerator facility 1d, a large capacity power storage device 2, a main power converter 1h, etc., constitutes a power supply source. Distribution facilities 3a-3f at each stage receive the power from the power supply source through distribution lines 11 and 11b, and send it to each power converter 5a-5l by distribution lines 12a-12c. By connecting plural power supply sources in series this way, it can supply power even if one power supply source downs, so power supply high in reliability is possible, and also according to the situation, the power at the lowest cost can be selected for supply. |
