Title:
POWER SUPPLY SYSTEM AND RAILROAD CAR
Document Type and Number:
WIPO Patent Application WO/2017/131227
Kind Code:
A1
Abstract:
A power supply system (120) according to one embodiment of the present invention includes a first power supply device (121), a second power supply device (122), and an addition circuit (123). The first power supply device (121) has a first driving circuit that outputs first direct current from a first power supply input, and a first control circuit that controls the first driving circuit. The second power supply device (122) has a second driving circuit that outputs second direct current from a second power supply input, and a second control circuit that monitors the first driving circuit and controls the second driving circuit. The addition circuit (123) is connected to the output terminal of each of the first and second power supply devices (121, 122) and outputs third direct current, the value of which is equal to a value obtained by adding the first direct current and the second direct current, to a load device (on-board illumination device (110)).
Inventors:
SAMEJIMA AKITAKA (JP)
IZUMI TAKAYUKI (JP)
MATSUNAGA JUN (JP)
MARUYAMA KAZUO (JP)
IZUMI TAKAYUKI (JP)
MATSUNAGA JUN (JP)
MARUYAMA KAZUO (JP)
Application Number:
PCT/JP2017/003163
Publication Date:
August 03, 2017
Filing Date:
January 30, 2017
Export Citation:
Assignee:
KOITO ELECTRIC IND LTD (JP)
International Classes:
H05B37/02; B60L1/00; B60Q3/80
Foreign References:
| JP2009005555A | 2009-01-08 | |||
| JP2008131787A | 2008-06-05 | |||
| JP2012210013A | 2012-10-25 | |||
| JP5661420B2 | 2015-01-28 | |||
| JP2011165626A | 2011-08-25 | |||
| JP2004166437A | 2004-06-10 |
Attorney, Agent or Firm:
OMORI, Junichi (JP)
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