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Title:
CAPACITOR TESTING DEVICE, ELECTRIC POWER CONVERSION DEVICE AND CAPACITOR TESTING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/146399
Kind Code:
A1
Abstract:
A ripple current generation circuit (100) of the present invention applies a ripple current to a capacitor (12) to be tested. A control device (18) adjusts the ripple current on the basis of a change in the electrical characteristics of the capacitor (12) to be tested, and adjusts the ripple current that is generated by the ripple current generation circuit (100) when a test is continued.

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Inventors:
SHOJI TAKASHIGE (JP)
KANATANI MASAO (JP)
OKIMOTO TAKASHI (JP)
MIYATANI MOEKI (JP)
Application Number:
PCT/JP2019/000292
Publication Date:
August 01, 2019
Filing Date:
January 09, 2019
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
G01R31/00; G01R27/02; G01R27/26; H01G13/00
Foreign References:
JPH02152216A1990-06-12
JP2007155599A2007-06-21
JP2002098725A2002-04-05
JPH0384477A1991-04-10
JP2018120987A2018-08-02
JP6456578B12019-01-23
KR20120031839A2012-04-04
KR20130042083A2013-04-26
KR101452724B12014-10-23
CN105866554A2016-08-17
JP2017011263A2017-01-12
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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