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Title:
電力変換装置及び電力変換方法
Document Type and Number:
Japanese Patent JP7127671
Kind Code:
B2
Abstract:
The power conversion apparatus 1 includes: matrix converter circuitry 10 configured to perform bidirectional power conversion between primary side power and secondary side power; a first mode control unit 114 configured to cause a secondary side frequency of the matrix converter circuitry 10 to follow a command frequency; a second mode control unit 115 configured to maintain a difference between a secondary side phase and a primary side phase of the matrix converter circuitry 10 within ± 30° of an odd multiple of 60°; and a mode switching unit 116 configured to switch a control mode of the matrix converter circuitry 10 based on a difference between the command frequency and a primary side frequency of the matrix converter circuitry 10 and a predetermined threshold.

Inventors:
Hirotaka Karakama
Takahiro Uchino
Kei Inoki
Masahiro Tanaka
Application Number:
JP2020146154A
Publication Date:
August 30, 2022
Filing Date:
August 31, 2020
Export Citation:
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Assignee:
Yaskawa Electric Co., Ltd.
International Classes:
H02M5/293
Domestic Patent References:
JP2015146688A
JP2015082949A
JP2004336848A
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yasunori Ishizaka
Shigeki Matsuo