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기상 예보를 활용한 LSTM 기반 24시간 태양광 발전량 예측모델
손혜숙,김석연,장윤 한국정보과학회 2020 정보과학회 컴퓨팅의 실제 논문지 Vol.26 No.10
To stably supply power to the virtual power plant market, it is necessary to accurately predict the amount of power generation. However, since the amount of solar power generation is influenced by the weather environment and the amount of power generated varies widely, it is difficult to make a stable prediction. In this paper, we propose an LSTM-based solar power generation prediction model. We improved the predictive performance of the model by including weather data and weather forecast data as input data. In addition, we selected variables by setting priorities based on correlation coefficients. The correlation between the solar power generation data and the weather data and the power generation prediction results was analyzed to examine the optimal weather factors needed to predict solar power generation. 가상발전소 시장에 전력을 안정적으로 공급하기 위해서는 발전량에 대한 정확한 예측이 필요하다. 하지만 태양광 발전량은 기상 환경에 영향을 받아 발전량의 편차가 심하기 때문에 안정적인 예측이 어렵다. 본 논문에서는 LSTM 기반 태양광 발전량 예측모델을 제안한다. 우리는 기상 데이터와 기상 예보 데이터를 발전량 예측모델에 입력하여 성능을 향상시킨다. 또한 상관계수를 기준으로 우선순위를 설정하여 변수를 선택한다. 태양광 발전량의 상관관계와 발전량 예측결과를 비교하여 태양광 에너지 발전량 예측에 활용되는 최적의 기상 요인을 검토한다.
강한영(H.Y. Kang),전재근(J.G. Joun),정기삼(G.S. Jung),최종웅(J. W. Choi),박석원(S.W. Park),이종호(J.H. Lee) 한국전산유체공학회 2011 한국전산유체공학회 학술대회논문집 Vol.2011 No.11
The Mold transformers fire retardant and environmentally friendly equipment, such as oil leaks, etc. Since the ship has been used in many places. We analysis of the Marine mold transformers temperature with commercial code ICEPAK and we designed the best compact-size of transformer. In particular, this raper used in the AFWF(Air Forced and Water Forced) mold transformer, protection rating of the enclosure must be over 44 (IP code) and the life of the transformer is dependent on the thermal temperature of windings so the designers of transformer are predicted or calculated temperature distribution. In this paper, we pre-simulated of the transformers temperature and enclosure before final designed transformer and the results show a satisfactory results with actual temperature rise measurements obtained from thermal imaging camera.