Inverter device for AC motor control

Details Inverter device for AC motor control Inverter device for AC motor control

2005-05-10

2005-05-10

Sterrett, Jeffrey (Department: 2838)

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

C363S098000

Reexamination Certificate

active

06891737

ABSTRACT:
An inverter apparatus is provided with first and second current detectors for detecting the current of two arbitrary phases and further with first and second A/D converters, and they are integrated into one unit. It furthermore stores, in a storage device, a compensation value for compensating for an unbalance between gains of the first current detector and the first A/D converter, and gains of the second current detector and the second A/D converter. By multiplying the detected current value of either one of the detected phases by this compensation value, it equalizes the current feedback gains for both phases.

REFERENCES:
patent: 4370702 (1983-01-01), Shuey et al.
patent: 5282125 (1994-01-01), Dhyanchand et al.
patent: 05-091780 (1993-04-01), None
patent: 05-328733 (1993-12-01), None
patent: 07-170799 (1995-07-01), None
patent: 11-032499 (1999-02-01), None

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