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문주희(Ju-Hui Mun),고재섭(Jae-Sub Ko),최정식(Jung-Sik Choi),강성준(Sung-Joon Kang),백정우(Jung-Woo Baek),장미금(M-Meum Jang),김순영(Soon-Young Kim),정동화(Dong-Hwa Chung) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.10
This paper proposes control system based on PLC for decrease power loss of solar tracking system. Tracking system is automatically tracked solar position. The power of this tracking system is fed by photovoltaic generation and it has problem efficiency decrease due to consume power of tracking system. Tracking system which controlled individually is brought power consumption due to continually feed power. Central control tracking system using PLC can be reduced power consumption more than individual tracking system because it controls a large number tracking device with one control system. Also, this paper uses two-mode tracking algorithm to improve tracking performance. The proposed algorithm is applied photovoltaic system and analyzed power and efficiency and then proved validity of this paper.