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The Journal of The Korea Institute of Intelligent Transport Systems Vol.7 No.3 pp.74-81
가변부하 적용을 위한 고정밀 교류전원 제어시스템
A High-precision AC Power Control System for Variable Loads Application
Abstract
The control system of high-precision AC power is important in traffic management lighting and beaconing of aerodromes, etc. To control AC power supply in these load characteristics, inverter systems of AC/DC/AC conversion are widely used in high-precision current control. Therefore, in this paper, a inverter system of constant current regulation using improved measuring technique of feedback current is proposed. Proposed measuring techniques improve response and precision in that it use moving average method of instantaneous RMS for measuring current sensing. Results of the computer simulation and experiment prove the effects of proposed system.
