Method and apparatus for compensating voltage error caused by de

Details Method and apparatus for compensating voltage error caused by de Method and apparatus for compensating voltage error caused by de

1997-03-18

1999-02-02

Berhane, Adolf

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

363 41, 318811, H02M 5293, H02P 528

Patent

active

058673806

ABSTRACT:
A method and apparatus for compensating a voltage error caused by a dead time of a motor driving inverter outputs command current, generates command voltage by proportionally integrating the command current on a basis of a starting point in which a polarity of current being applied to a motor is varied, converts the command voltage to a control signal in a pulse width modulator, and transmits the command voltage to the inverter, whereby a current distortion occurring around a zero current becomes minimized and a torque ripple becomes decreased in accordance therewith.

REFERENCES:
patent: 5341081 (1994-08-01), Yamada
patent: 5450306 (1995-09-01), Garces et al.
patent: 5475293 (1995-12-01), Sakai et al.
patent: 5550450 (1996-08-01), Palko et al.
patent: 5594670 (1997-01-01), Yamamoto
patent: 5623192 (1997-04-01), Yamamoto
patent: 5671130 (1997-09-01), Kerkman et al.

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