Title:
POWER CONVERSION DEVICE, MOTOR DRIVE CONTROL DEVICE EQUIPPED WITH POWER CONVERSION DEVICE, COMPRESSOR AND BLOWER EQUIPPED WITH MOTOR DRIVE CONTROL DEVICE, AND AIR CONDITIONER EQUIPPED WITH COMPRESSOR OR BLOWER
Document Type and Number:
WIPO Patent Application WO/2014/192696
Kind Code:
A1
Abstract:
A power conversion device is configured by parallel connecting of chopper circuits (3a, 3b) which each include a reactor (4a, 4b), a switching element (5a, 5b), and a backflow prevention element (6a, 6b) and chop and boost the output of a rectifier (2) that rectifies the AC voltage from an AC power source (1), the power conversion device comprising: an AC switch (12) arranged closer to the AC power source (1) than the chopper circuits (3a, 3b); an AC reactor (13) arranged closer to the AC power source (1) than the chopper circuits (3a, 3b) and connected in parallel with the AC switch (12); and a switching control unit (10) for controlling the operation of the switching elements (5a, 5b) and the AC switch (12). When the contacts of the AC switch (12) are open, the switching control unit (10) suspends the switching of the switching elements (5a, 5b).
Inventors:
YAMADA MICHIO (JP)
SHIMOMUGI TAKUYA (JP)
SHINOMOTO YOSUKE (JP)
KASHIMA MITSUO (JP)
UMEHARA SHIGEO (JP)
SHIMOMUGI TAKUYA (JP)
SHINOMOTO YOSUKE (JP)
KASHIMA MITSUO (JP)
UMEHARA SHIGEO (JP)
Application Number:
PCT/JP2014/063843
Publication Date:
December 04, 2014
Filing Date:
May 26, 2014
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02M1/12; H02M3/155
Foreign References:
| JP2013059228A | 2013-03-28 | |||
| JPH11289766A | 1999-10-19 | |||
| JP2012065494A | 2012-03-29 |
Attorney, Agent or Firm:
SAKAI, HIROAKI (JP)
Hiroaki Sakai (JP)
Hiroaki Sakai (JP)
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