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Patent Searching and Data


Title:
POWER CONVERSION DEVICE AND CONSTANT ACQUIRING METHOD
Document Type and Number:
WIPO Patent Application WO/2019/207640
Kind Code:
A1
Abstract:
A positive-side arm of a power converter has a plurality of converters connected in series with each other and a first end connected to a positive-side DC terminal. A negative-side arm of the power converter has a plurality of converters connected in series with each other and a first end connected to a negative-side DC terminal. The power converter is provided with a four-winding transformer including: a third winding having a polarity opposite to that of a secondary winding and magnetically coupled to a primary winding; and a fourth winding connected in a delta configuration. A converter control device controls the switching elements of the arms to output a voltage for cancelling disturbance voltages induced in the secondary and third windings due to the fourth winding.

Inventors:
ARAI Takuro (1-1 Shibaura 1-chome, Minato-k, Tokyo 01, 〒1058001, JP)
SEKIGUCHI Kei (1-1 Shibaura 1-chome, Minato-k, Tokyo 01, 〒1058001, JP)
SUZUKI Daichi (Toshiba Energy Systems & Solutions Corporation 72-34, Horikawa-cho, Saiwai-ku, Kawasaki-sh, Kanagawa 13, 〒2120013, JP)
Application Number:
JP2018/016572
Publication Date:
October 31, 2019
Filing Date:
April 24, 2018
Export Citation:
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Assignee:
KABUSHIKI KAISHA TOSHIBA (1-1 Shibaura 1-chome, Minato-ku Tokyo, 01, 〒1058001, JP)
TOSHIBA ENERGY SYSTEMS & SOLUTIONS CORPORATION (72-34, Horikawa-cho Saiwai-ku, Kawasaki-sh, Kanagawa 13, 〒2120013, JP)
International Classes:
H02M7/49; H02M7/12; H02M7/48
Domestic Patent References:
WO2016170869A12016-10-27
Foreign References:
JP2014143864A2014-08-07
Attorney, Agent or Firm:
SHIGA INTERNATIONAL PATENT OFFICE (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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