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Patent Searching and Data


Title:
MOTOR DRIVING DEVICE, MOTOR SYSTEM, AND REFRIGERATION CYCLE DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/025416
Kind Code:
A1
Abstract:
A motor driving device (2), used in a motor (3), provided with a first three-phase coil (11) and a second three-phase coil (12), wherein said device is provided with a first inverter (4) connected to the first three-phase coil (11) and a second inverter (5) connected to the second three-phase coil (12). The amplitude of a first electrical signal, which is an electrical signal output by the first inverter (4) to the first three-phase coil (11), differs from the amplitude of a second electrical signal, which is an electrical signal output by the second inverter (5) to the second three-phase coil (12).

Inventors:
ARISAWA, Koichi (7-3 Marunouchi 2-chome, Chiyoda-k, Tokyo 10, 〒1008310, JP)
TOYODOME, Shinya (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:
JP2016/073171
Publication Date:
February 08, 2018
Filing Date:
August 05, 2016
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORPORATION (7-3 Marunouchi 2-chome, Chiyoda-ku Tokyo, 10, 〒1008310, JP)
International Classes:
H02P25/22; H02P27/06
Foreign References:
JP2016063562A2016-04-25
JP2015173554A2015-10-01
JP2011024377A2011-02-03
JPH10313591A1998-11-24
JP2003153585A2003-05-23
US8704473B22014-04-22
CN103532477A2014-01-22
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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