Title:
POWER CONVERSION DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/205690
Kind Code:
A1
Abstract:
This power conversion device comprises a power converter having a switching element, and a control unit that controls the power converter to drive a motor. The control unit calculates a phase error estimated value, which is the deviation between the rotation phase value of the motor and a rotation phase estimated value, and calculates a q-axis inductance estimated value such that a component inversely proportional to the phase error estimated value follows a predetermined value.
More Like This:
Inventors:
TOBARI KAZUAKI (JP)
ONUMA YUSAKU (JP)
SUGIMOTO TAKUYA (JP)
AOYAGI SHIGEHISA (JP)
TOKASHIKI MUTSUO (JP)
WATANABE HIROSHI (JP)
ONUMA YUSAKU (JP)
SUGIMOTO TAKUYA (JP)
AOYAGI SHIGEHISA (JP)
TOKASHIKI MUTSUO (JP)
WATANABE HIROSHI (JP)
Application Number:
PCT/JP2020/043515
Publication Date:
October 14, 2021
Filing Date:
November 20, 2020
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
H02P6/185; H02P21/16; H02P21/26
Foreign References:
| JP2013042630A | 2013-02-28 | |||
| JP2009142116A | 2009-06-25 | |||
| JP2010011564A | 2010-01-14 |
Attorney, Agent or Firm:
SEIRYO I.P.C. (JP)
Download PDF: