Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/130612
Kind Code:
A1
Abstract:
In the controller (9) of a power converter (10), the switching frequency of a switching element (5) is determined on the basis of at least one of a magnetic parameter of a magnetic component (3) and an electric parameter of the power converter (10) and varies on the basis of either one of a predetermined time width and a predetermined electric quantity width in a stepwise manner for each of M intervals (M is an integer of 2 or more), and a control frequency has a value obtained by dividing the switching frequency by an integer P of 2 or more.
Inventors:
TANIGUCHI TOMOYUKI (JP)
MIZUTANI HIROTO (JP)
MIZUTANI HIROTO (JP)
Application Number:
PCT/JP2020/047395
Publication Date:
June 23, 2022
Filing Date:
December 18, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02M3/155; H02M3/28; H02M7/12
Foreign References:
| JP2010252512A | 2010-11-04 | |||
| JP2008022658A | 2008-01-31 | |||
| JP2017099162A | 2017-06-01 | |||
| JP2001320876A | 2001-11-16 | |||
| US9444343B1 | 2016-09-13 | |||
| US20150198634A1 | 2015-07-16 |
Other References:
See also references of EP 4266566A4
Attorney, Agent or Firm:
PALMO PATENT FIRM, P.C. (JP)
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