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김우용(Woo-Yong Kim),정찬수(Chan-Su Jung),임영철(Young-Cheol Lim),정영국(Young-Gook Jung) 전력전자학회 1999 전력전자학술대회 논문집 Vol.- No.-
This paper presents a digital instrument for the power quality analysis in systems where voltage or current waveforms are nonsinusoidal . It is based on C31 DSP and on a special high-speed data acquisition system, Voltage and current waveforms are acquired and processed by using a simple average power algorithm. The paper also goes on to discuss the performance of an instrument prototype, both in terms of accuracy and speed of measurement
SIMULINK를 이용한 능동전력필터의 순시보상전류에 대한 정교한 해석
정찬수(Chan-Su Jung),김우용(Woo-Yong Kim),임영철(Young-Cheol Lim),정영국(Young-Gook Jung) 전력전자학회 1999 전력전자학술대회 논문집 Vol.- No.-
This paper presents a MATLAB/SIMULINK simulation of an active power filter, in which the instantaneous harmonic and reactive compensating currents are desegregated in their different α β space-trajectories, and in their time-domain waveforms of both the abc and the α β system of coordinates. Departing from Akagi's generalized instantaneous reactive power theory, a complete analysis is presented, in which the counter harmonic compensating current injected to the coupling point of the AC main feeding a SIX pulse-controlled three phase AC/DC converter is desegregated in its three component. It is demonstrated, in a selected number of abc and α β oscillograms, and current-space-trajectories that the active filter can compensate either separately or jointly the above mentioned currents.