Title:
ELECTRIC POWER CONVERSION SYSTEM FOR RAILWAY VEHICLE
Document Type and Number:
Japanese Patent JP2020185993
Kind Code:
A
Abstract:
To provide an electric power conversion system for a railway vehicle in which the occurrence of such a trouble that the temperature of a second electrical instrument having low allowable temperature exceeds the allowable temperature to rise.SOLUTION: This electric power conversion system 100 for a railway vehicle comprises: a housing 20 including a main circuit chamber 20a and a control chamber 20b; a main circuit part 31 disposed in the main circuit chamber 20a and performing an electric power conversion; and a control unit 32 disposed in the control chamber 20b, having a lower heat generation amount and a lower allowable temperature than those of the main circuit part 31, and controlling the main circuit part 31. The system 100 further comprises: a wall portion 26a for thermally separating the main circuit chamber 20a from the inside of the control chamber 20b; and ribs 22b, 23b, 24b and fans 61, 62 provided in the control chamber 20b and releasing the heat of air in the control chamber 20b.SELECTED DRAWING: Figure 4
Inventors:
MORI YOSHIRO
NISHIJIMA TOMOKI
NAKAMICHI SATOSHI
ITO HIROYUKI
TAKIZAWA MASAMITSU
NISHIJIMA TOMOKI
NAKAMICHI SATOSHI
ITO HIROYUKI
TAKIZAWA MASAMITSU
Application Number:
JP2020126552A
Publication Date:
November 19, 2020
Filing Date:
July 27, 2020
Export Citation:
Assignee:
FUJI ELECTRIC CO LTD
International Classes:
B61C17/00; B60L3/00; B60L15/00; H02M7/48; H05K7/20
Domestic Patent References:
| JPH09246767A | 1997-09-19 | |||
| JPH10212949A | 1998-08-11 | |||
| JP2001258263A | 2001-09-21 | |||
| JPH08271104A | 1996-10-18 | |||
| JP2004082909A | 2004-03-18 |
Foreign References:
| WO2012020496A1 | 2012-02-16 | |||
| US20160302330A1 | 2016-10-13 | |||
| US20120002452A1 | 2012-01-05 |
Attorney, Agent or Firm:
Hirokazu Miyazono