Motorsteuerungsvorrichtung, Motorsteuerungsverfahren, Programm und Phasenanpassungsverfahren

Details

Veröffentlichungs-Nr.

EP3331154

Aktenzeichen

EP17204108

Anmeldetag

28. November 2017

Veröffentlichung

15. August 2018

Rechtsraum

EP

IPC

H02P21/24

Abstract

A motor control device is provided that is capable of minimizing a malfunction such as a current distortion, an overcurrent abnormality, a stepping out, or the like by appropriately compensating for a deviation of a motor axis position. A motor control device (1) for controlling a motor (M) through an inverter (2) includes a vector control unit (10) configured to receive a command value for a rotation frequency and a detection value of a motor current and output a command value for an inverter output voltage based on vector control, a detected power calculation unit (12) configured to calculate detected power of the motor on the basis of the detection value of the motor current and the command value for the inverter output voltage, an estimated power calculation unit (11) configured to calculate estimated power of the motor on the basis of the command value for the rotation frequency, the detection value of the motor current, and a predefined motor constant, and an output voltage compensation unit (15) configured to adjust a phase of the inverter output voltage on the basis of a ratio of the detected power to the estimated power.

Anmelder

Firma

MITSUBISHI HEAVY INDUSTRIES THERMAL SYSTEMS, LTD.

Land

🇯🇵 Japan

Fachgebiete