Universal Power Distortion Compensator of Line Commutated Thyristor Converter

概要

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A rapid control system of the active and reactive power with line commutated converters is presented. The system behaves like an active filter which compensates not only for the steplike change of the active and reactive power but also for the unbalanced currents and lower harmonics.Instantaneous apparent current is newly defined to express the status of three-phase currents. A rapid current control method is proposed using the cascade thyristor converter which is triggered asymmetrically. An experimental converter system has been constructed which incorporates two stages of 24-phase thristor converters controlled by one-chip micro-processor. The system has proved to be promising as a power active filter for distortional components under the 7-th harmonic.
長岡技術科学大学の論文
1986-10-01