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Patent Searching and Data


Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/098004
Kind Code:
A1
Abstract:
A power conversion device (19) is provided with: a power conversion unit (14) for converting and outputting electrical power supplied from a power source (11); a smoothing capacitor (13) connected to the power conversion unit (14); a switch (12) for connecting, or shutting off the connection of, the smoothing capacitor (13) and the power source (11); a detector (15) for detecting at least one of the temperature of the smoothing capacitor (13) and the voltage across both ends of the smoothing capacitor (13); and a control device (17) for controlling the switch (12) on the basis of data obtained from the detector (15) after the operation of the power conversion device (19) stops. The smoothing capacitor (13) is formed of an aluminum electrolytic capacitor or a hybrid aluminum electrolytic capacitor.

Inventors:
OKIMOTO TAKASHI (JP)
KANATANI MASAO (JP)
MIYATANI MOEKI (JP)
KITAMURA YASUHIKO (JP)
YUHARA MASAHARU (JP)
Application Number:
PCT/JP2018/040220
Publication Date:
May 23, 2019
Filing Date:
October 30, 2018
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02M7/48; H01G9/00; H01G9/14; H01G13/00
Foreign References:
US20130162183A12013-06-27
JP2014124076A2014-07-03
JP2006213483A2006-08-17
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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