Direct current feeding system for electric car |
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| 申请号 | JP4657484 | 申请日 | 1984-03-13 | 公开(公告)号 | JPS60191835A | 公开(公告)日 | 1985-09-30 |
| 申请人 | Mitsubishi Electric Corp; | 发明人 | FUJITA KEIKI; MIZUTANI TSUGIO; | ||||
| 摘要 | PURPOSE:To aim at restraining electrical current from leaking, by providing insulating sections in a rail at predetermined intervals so that the rail is comopound of a plurality of rail sections which are electrically independent from each other, and by feeding controllable source source powers to the rail sections, respectively. CONSTITUTION:A rail 3 is provided with rail insulating sections 6a through 6c at predetermined intervals so that it is divided in a plurality of rail sections 3a through 3d which are insulated fronm each other and which are provided with transformer substations 1a through 1c, respectively. Variable source powers in the transformer substations 1a through 1c are fed only to rail sections (1b, 1c in the drawing) in which electric cars 4a, 4b are present, and no powers are fed to the other rail sections. With this arrangement, although the load currents of the electric cars 4a, 4b leak from the rail sections 3a, 3b to the ground, no currents are returned to transformer sections other than those 1b, 1c corresponding to the rail sections in which the electric cars are present. Accordingly it is possible to prevent electrical leakage from spreading over a wide area, and as well to reduce electrical leakage to the ground. | ||||||
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