Title:
モータ制御装置,モータ駆動システム,洗濯機,空調機,永久磁石モータの着磁量変更方法
Document Type and Number:
Japanese Patent JP5259241
Kind Code:
B2
Abstract:
A motor control device includes a magnetization control unit energizing a motor winding to change magnetic flux content of permanent magnet motor, a current detector detecting current supplied to the motor, a vector control unit including a speed/position estimation unit carrying out an operation to estimate a motor rotational speed and rotational position, the vector control unit carrying out a vector control of the motor, an induced voltage detector detecting an induced voltage of the motor based on the rotational speed, motor currents obtained by the vector control unit, output voltages of the drive unit, a winding inductance or the motor constant and a winding resistance, an induced voltage command determining unit determining an induced voltage command based on the motor rotational speed and output torque, and a magnetization current determining unit determining an amount of energization based on the induced voltage of the motor and the induced voltage command.
Inventors:
Maekawa Sari
Kazunobu Nagai
Nitta Isamu
Kazunobu Nagai
Nitta Isamu
Application Number:
JP2008112437A
Publication Date:
August 07, 2013
Filing Date:
April 23, 2008
Export Citation:
Assignee:
Toshiba Corporation
International Classes:
H02P6/06; H02K15/03; H02P6/08; H02P6/18; H02P6/182; H02P6/28; H02P7/06
Domestic Patent References:
| JP2008043172A | ||||
| JP2007181352A | ||||
| JP2008061445A | ||||
| JP2007175135A |
Attorney, Agent or Firm:
Patent Business Corporation Sato International Patent Office