| 摘要 |
<P>PROBLEM TO BE SOLVED: To freely select type of main cable and main sub-cable and to efficiently perform cable installation work in accordance with progress of a building. <P>SOLUTION: This feeder system for elevator is provided with a power supply conversion device 2a installed in a machine room or the like in a hoistway for elevating and lowering an elevator car 16, converting customer power supply into predetermined power supply electric power, and feeding electricity to equipments 5 to 7 for hall at each story floor through a plurality of main cables 11, 11, a plurality of hoistway electricity receiving devices 12, 12 installed at a height position of the shaft decided for each equipment for hall at a plurality of story floors and receiving predetermined power supply electric power through each main cable from the power supply conversion device, and the main sub-cables 13, 13 connected with each main cable 11, 11 introduced into each hoistway electricity receiving device 12, 12 and each branched cable 14... connected with the main sub-cables 13, 13 at a predetermined interval by branching, respectively, to feed electricity into the equipments for hall at each story floor. <P>COPYRIGHT: (C)2006,JPO&NCIPI |
