Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/137612
Kind Code:
A1
Abstract:
A power conversion device comprising: a power converter for outputting a voltage that makes an output frequency variable to an induction motor; and a control unit for outputting a voltage command to the power converter, wherein the control unit calculates a current control output on the d-axis being a magnetic flux axis, computes the current control output on the d-axis, and outputs the voltage command on the q-axis so that the computed output follows zero.
Inventors:
TOBARI KAZUAKI (JP)
ONUMA YUSAKU (JP)
SUGIMOTO TAKUYA (JP)
WATANABE HIROSHI (JP)
TOKASHIKI MUTSUO (JP)
ONUMA YUSAKU (JP)
SUGIMOTO TAKUYA (JP)
WATANABE HIROSHI (JP)
TOKASHIKI MUTSUO (JP)
Application Number:
PCT/JP2021/025871
Publication Date:
June 30, 2022
Filing Date:
July 08, 2021
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
H02P25/028; H02P21/26
Foreign References:
| JPH06233576A | 1994-08-19 | |||
| JP2016163501A | 2016-09-05 | |||
| JP2000134999A | 2000-05-12 | |||
| JP2020124024A | 2020-08-13 | |||
| JP2001238499A | 2001-08-31 |
Attorney, Agent or Firm:
SEIRYO I.P.C. (JP)
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