Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/032426
Kind Code:
A1
Abstract:
The present invention provides a power conversion device that is connected in parallel with an air conditioner to a plurality of power supply lines of an AC power system to which the air conditioner is connected with a breaker interposed. The power conversion device has a plurality of unit converters including a plurality of switch elements and a capacitor connected to an output terminal via these switch elements, DC voltage of a plurality of levels is outputted from the output terminal by turning on and off each switch element, and a multilevel converter formed by serially connecting these unit converters is provided at the downstream side from the breaker in each of the power supply lines.
Inventors:
ARAI TAKURO (JP)
KUBOTA YOHEI (JP)
NISHIO MOTOKI (JP)
KANAMORI MASAKI (JP)
KATO KEIICHI (JP)
YAMAMOTO KENTA (JP)
KUBOTA YOHEI (JP)
NISHIO MOTOKI (JP)
KANAMORI MASAKI (JP)
KATO KEIICHI (JP)
YAMAMOTO KENTA (JP)
Application Number:
PCT/JP2022/024860
Publication Date:
March 09, 2023
Filing Date:
June 22, 2022
Export Citation:
Assignee:
TOSHIBA CARRIER CORP (JP)
International Classes:
H02M7/48; H02M7/49
Domestic Patent References:
| WO2019064705A1 | 2019-04-04 |
Foreign References:
| JP2021002970A | 2021-01-07 | |||
| JP2010524425A | 2010-07-15 | |||
| US6075350A | 2000-06-13 | |||
| JP2007181253A | 2007-07-12 | |||
| JPH1141931A | 1999-02-12 | |||
| JP2013223275A | 2013-10-28 |
Attorney, Agent or Firm:
S & S INTERNATIONAL PPC (JP)
Download PDF: