Title:
POWER CONVERSION DEVICE, POWER CONVERSION METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2021/131398
Kind Code:
A1
Abstract:
A power conversion device 1 includes a plurality of switching elements, and comprises: a matrix converter circuit 10 that performs bidirectional power conversion between an alternating current power of a primary side and an alternating current power of a secondary side; a power conversion control unit 114 that switches the plurality of switching elements on/off in conjunction with a carrier wave, so as to cause the alternating current of the secondary side to follow a control command; and a carrier wave change unit 116 that changes the frequency of the carrier wave on the basis of proximity level between the frequency of the primary side and the frequency of the secondary side.
Inventors:
HANADA TOSHIHIRO (JP)
KONAKAHARA SHOJI (JP)
INOKI KEISEI (JP)
TANAKA MASASHIRO (JP)
KONAKAHARA SHOJI (JP)
INOKI KEISEI (JP)
TANAKA MASASHIRO (JP)
Application Number:
PCT/JP2020/042672
Publication Date:
July 01, 2021
Filing Date:
November 16, 2020
Export Citation:
Assignee:
YASKAWA ELECTRIC CORP (JP)
International Classes:
H02M5/297
Foreign References:
| JP2018183018A | 2018-11-15 | |||
| JP2015082949A | 2015-04-27 | |||
| JP2016067169A | 2016-04-28 |
Other References:
See also references of EP 4084313A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Download PDF: