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Patent Searching and Data


Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/208735
Kind Code:
A1
Abstract:
A power conversion device (100) includes a control unit (30) having a first control mode for controlling a circulating current (Icc) that is circulated among leg circuits (25) of respective phases within a power converter (1) such that the circulating current (Icc) includes an alternating current component having a frequency that is an even number multiple, excluding multiples of 3, of the frequency of the fundamental wave of the alternating current. The control unit determines the active or inactive states of the first control mode on the basis of the voltage value of an energy accumulation element (12). 

Inventors:
NAKAYAMA AKITO (JP)
KAJIYAMA TAKUYA (JP)
Application Number:
PCT/JP2021/013862
Publication Date:
October 06, 2022
Filing Date:
March 31, 2021
Export Citation:
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Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02M7/48
Domestic Patent References:
WO2016017517A12016-02-04
Foreign References:
JP2013251933A2013-12-12
JP6783419B12020-11-11
JP2019030106A2019-02-21
JP2018196237A2018-12-06
Other References:
See also references of EP 4318919A4
Attorney, Agent or Firm:
PALMO PATENT FIRM, P.C. (JP)
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