Title:
POWER CONVERSION DEVICE AND POWER CONVERSION METHOD
Document Type and Number:
Japanese Patent JP2023170852
Kind Code:
A
Abstract:
To provide a power conversion device effective in both of quickly suppressing output voltage saturation and achieving stability in output current to a motor.SOLUTION: A power conversion device 2 includes: a power conversion circuit 10; a first current calculation unit 121 for calculating a first current command corresponding to a direction perpendicular to a magnetic direction of a motor 3; a feed-forward calculation unit 122 for calculating a feed-forward current command for canceling an induced voltage of the motor 3 based on characteristic parameters of the motor 3 and the first current command; a filter 130 for suppressing changes in the feed-forward current command in response to changes in the first current command; a second current calculation unit 123 for calculating a second current command corresponding to the magnetic direction of the motor 3 based on the feed-forward current command through the filter 130; and a control unit 115 for controlling the power conversion circuit 10 so that the currents based on the first current command and the second current command are supplied to the motor 3.SELECTED DRAWING: Figure 3
Inventors:
HAMABE YASUMASA
TAKASE YOSHIYASU
ZEI HENGBIN
MORIMOTO SHINYA
YAMAZAKI AKIRA
TAKASE YOSHIYASU
ZEI HENGBIN
MORIMOTO SHINYA
YAMAZAKI AKIRA
Application Number:
JP2022082919A
Publication Date:
December 01, 2023
Filing Date:
May 20, 2022
Export Citation:
Assignee:
YASKAWA ELECTRIC CORP
International Classes:
H02P21/12
Attorney, Agent or Firm:
Yoshiki Hasegawa
Yasunori Ishizaka
Shigeki Matsuo
Yasunori Ishizaka
Shigeki Matsuo
Previous Patent: JPWO2023170851
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