Title:
FEEDING CIRCUIT PROTECTION SYSTEM, ACCIDENT CURRENT DETECTION METHOD AND ELECTRIC CORROSION PREVENTION METHOD
Document Type and Number:
Japanese Patent JP2018103838
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a technique capable of detecting the accident current due to the high-resistance ground fault by targeting a plurality of structures by one feeding protection device.SOLUTION: A feeding circuit protection system includes a trolley wire 21, a rail 22, a structure 23, a feeding protection device 24 and a linkage wire 25. The linkage wire 25 is provided along the trolley wire 21 and electrically connects the plurality of structures 23 with each other. The feeding protection device 24 has one end which is electrically connected to the linkage wire 25 and the other end which is electrically connected to the rail 22. The accident current which occurs when the trolley wire 21 is brought into contact with the structure 23 is made to flow to the rail 22. One feeding protection device 24 is provided for each of the plurality of structures 23.SELECTED DRAWING: Figure 1
Inventors:
IDENO ICHIRO
Application Number:
JP2016252848A
Publication Date:
July 05, 2018
Filing Date:
December 27, 2016
Export Citation:
Assignee:
NIPPON DENSETSU KOGYO CO LTD
International Classes:
B60M3/00; H02H9/06
Domestic Patent References:
| JP2008222017A | 2008-09-25 | |||
| JPH07177654A | 1995-07-14 |
Attorney, Agent or Firm:
Daigo Maejima
Katsumi Utaka
Junichi Hatakeyama
Kenji Hashiba
Katsumi Utaka
Junichi Hatakeyama
Kenji Hashiba