Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Date of Patent
February 1, 2011
Patent Application Number
12088542
Date Filed
December 28, 2006
Patent Primary Examiner
Patent abstract
An apparatus and method for controlling an inverter capable of enhancing reliability of current measurement by ensuring an optimal time for which effective voltage vectors are applied to detect a three-phase current according to a phase current and sizes of the effective voltage vectors, the apparatus comprising a space voltage modulator that generates and outputs effective voltage vectors based upon a voltage command value, and a low modulation determiner that determines whether the effective voltage vectors are located within a low modulation region, and outputs a low modulation switching control signal or a normal modulation switching control signal according to the determination.
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