Abstract

신재생에너지용 발전 시스템은 모듈, 직류 전력을 교류 전력으로 변환시키는 전력 역변환장치, 전력흐름을 제어하고 계통 연계를 담당하는 제어장치로 구성된다. 이러한 시스템은 일사량이 많은 여름철 및 낮 시간에 가장 많은 직류전력을 생산하지만 계통의 연계를 위해 필수적인 전력 역변환장치는 특정 온도 이상으로 상승하면 효율이 급격히 감소하게 된다. 따라서 열전소자를 부착한 열 저감 시스템을 제안하고 가장 발열이 심한 구간을 선정하여 사용개수 및 위치에 따른 온도 특성 해석을 통해 최적 모델을 도출하고자 한다. Power system for renewable energy is composed of module, transform DC power into AC power inverter, control power flow and device for a charge of the grid-connected. Power system for renewable energy produce the most DC power, when this system is much insolation in summer and daytime. But if the certain temperature rises above, the essential grid-connected power inverter is take a nose dive. There, in this paper, we propose an improved reduction of heating system. In addition, selection of the most serious heat region and through analysis of temperature characteristics according to location and distance derive the optimal model.

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