INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD

Title:

INVERTER CONTROL DEVICE AND INVERTER CONTROL METHOD

Document Type and Number:

WIPO Patent Application WO/2013/005762

Kind Code:

A1

Abstract:

An inverter control device is equipped with: an inverter (6) that converts direct current power input from a direct current power supply into alternating current power, which is supplied to a motor; a command value calculation unit (1, 2, 3) that, on the basis of the detected values for the alternating current, calculates command values for the alternating current voltage output from the inverter (6); a phase compensation unit (16) that compensates the phase of the command values or the phase of the detected values; an inverter control unit (4) that controls the inverter (6) on the basis of the command values or detected values that have been compensated by the phase compensation unit (16); and a motor rotational velocity detector (9, 14, 11) that detects the rotational velocity (ω) of a motor (8). The phase compensation unit (16) calculates the phase lead amount (Δθ) on the basis of a phase compensation time (tpm) that is set for the purpose of obtaining a prescribed phase margin and on the basis of the rotational velocity (ω) and, in accordance with the phase lead amount (Δθ), compensates the phase that is based on the specific characteristics of the motor (8).

Inventors:

SHOUJI MITSUHIRO

Application Number:

PCT/JP2012/067054

Publication Date:

January 10, 2013

Filing Date:

July 04, 2012

Export Citation:

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Assignee:

NISSAN MOTOR (JP)
SHOUJI MITSUHIRO

International Classes:

H02P6/06; H02P6/08; H02P6/15; H02P6/17; H02P6/28; H02P21/00; H02P21/05; H02P21/22; H02P23/04; H02P27/04; H02P27/08

Foreign References:

JP2008189225A	2008-08-21
JP2011030349A	2011-02-10
JPH06335277A	1994-12-02
JPH06335227A	1994-12-02

Other References: