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Patent Searching and Data


Title:
POWER CONVERSION DEVICE, MOTOR DRIVE DEVICE, AND AIR CONDITIONER
Document Type and Number:
WIPO Patent Application WO/2019/026293
Kind Code:
A1
Abstract:
A power conversion device is provided with: a first arm (31) having a switching element (311) and another switching element (312) which are connected in series; a second arm (32) having a switching element (321) and another switching element (322) which are connected in series and connected in parallel with the first arm (31); a reactor (2) having one end connected to the switching element (311) and the switching element (312) and the other end connected to an AC power supply 1; and a smoothing capacitor (4) connected in parallel with the first arm (31) and the second arm (32). The switching element (311) and the switching element (312) are more excellent in loss characteristics occurring at every switching than the switching element (321) and the switching element (322).

Inventors:
YAMAKAWA, Takashi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
UMEHARA, Shigeo (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
Application Number:
JP2017/028476
Publication Date:
February 07, 2019
Filing Date:
August 04, 2017
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02M7/12
Attorney, Agent or Firm:
TAKAMURA, Jun (Sakai International Patent Office, Toranomon Mitsui Building 8-1, Kasumigaseki 3-chome, Chiyoda-k, Tokyo 13, 〒1000013, JP)
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