Title:
DETERIORATION DIAGNOSIS SYSTEM, DETERIORATION DIAGNOSIS METHOD, PROGRAM, AND ELECTRIC POWER SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/166589
Kind Code:
A1
Abstract:
According to the present invention, deterioration in an electronic component is diagnosed from the circumstances of self heat emission. A deterioration diagnosis system (1) that diagnosis deterioration in an electric power conversion system (2). The electric power conversion system (2) is provided with a plurality of electronic components. The electric power conversion system (2) converts electric power to first electric power and/or second electric power. The deterioration diagnosis system (1) comprises a diagnosis unit (111). The diagnosis unit (111) diagnoses deterioration in at least some target components among the plurality of electronic components. The diagnosis unit (111), on the basis of temperature information, diagnoses deterioration with reference to self heat emission of the target components while the target components are being energized. The temperature information pertains to the result of measuring the temperature of the target components.
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Inventors:
HIGASHIYAMA KOJI
OZONE MAKOTO
MATSUMOTO HIROMU
OZONE MAKOTO
MATSUMOTO HIROMU
Application Number:
PCT/JP2021/003188
Publication Date:
August 26, 2021
Filing Date:
January 29, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
G01R31/00; H02M7/48
Domestic Patent References:
| WO2010109587A1 | 2010-09-30 |
Foreign References:
| JPH11356036A | 1999-12-24 | |||
| JP2005268258A | 2005-09-29 | |||
| JP2003134795A | 2003-05-09 | |||
| JPH1169774A | 1999-03-09 | |||
| JPH08196082A | 1996-07-30 | |||
| JP2015027127A | 2015-02-05 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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