Title:
POWER CONVERSION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2021/024455
Kind Code:
A1
Abstract:
A power conversion system (100) is provided with: a self-exited power converter (2) that converts power between a first AC line (12) and a DC line (14); a first transformer (13) that is connected, on a primary side, to the first AC line and connected, on a secondary side, to the self-exited power converter; and a first impedance circuit (41) that is connected between a ground and a neutral point (62) of the secondary side of the first transformer or between a ground and an AC line (64) connecting the secondary side of the first transformer and the self-exited power converter. The first impedance circuit includes either a reactor (43, 44, 45) or another transformer (47, 49, 50).
Inventors:
TAHATA KAZUYORI (JP)
NAKAMURA FUMINORI (JP)
HAYASHI SHIGEO (JP)
NAKAMURA FUMINORI (JP)
HAYASHI SHIGEO (JP)
Application Number:
PCT/JP2019/031382
Publication Date:
February 11, 2021
Filing Date:
August 08, 2019
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
H02H7/10; H02M7/12; H02M7/48
Foreign References:
| JP2011147244A | 2011-07-28 | |||
| JP2015130746A | 2015-07-16 | |||
| JP2003033039A | 2003-01-31 | |||
| JP2012130107A | 2012-07-05 | |||
| US20130016541A1 | 2013-01-17 | |||
| JP2015122908A | 2015-07-02 | |||
| JP2011196729A | 2011-10-06 | |||
| JP2015130746A | 2015-07-16 |
Other References:
See also references of EP 4012867A4
Attorney, Agent or Firm:
FUKAMI PATENT OFFICE, P.C. (JP)
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