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자연채광용 박막 투광형 BIPV 창호의 발전특성 분석 연구
윤종호(Yoon, Jong-Ho),김석기(Kim, Seok-Ge),송종화(Song, Jong-Wha),이성진(Lee, Sung-Jin) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.06
The first grid-connected, building-integrated transparent amorphous silicon photovoltaic installation has been operated since October 2004 in Yongin, Korea. The 2.2kWp transparent PV system was applied to the facade of entrance hall in newly constructed KOLON E&C R&D building. The PV module is a nominal 0.98m {times} 0.95m, 10% transparent, laminated, amorphous(a-Si) thin-film device rated at 44 Wp per module. To demonstrate the architectural features of thin film PV technologies for daylighting application, transparent PV modules are attached to the building envelope with the form of single glazed window and special point glazing(SPG) frames. Besides power generation, the 10% transmittance of a-Si PV module provides very smooth natural daylight to the entrance hall without any special shading devices for whole year. The installation is fully instrumented and is continuously monitored in order to allow the performance assessment of amorphous silicon PV operating at the prevailing conditions. This paper presents measured power performance data from the first 12 months of operation. For the first year, annual average system specific yield was just 486.4kWh/kWp/year which is almost half of typical amorphous silicon PV output under the best angle and orientation. It should be caused by building orientation and self-shading of adjacent mass. Besides annual power output, various statistical analysis was performed to identify the characteristics of transparent thin film PV system.
전미영(Jeon Mi-Young),김석기(Kim Seok-Ge),이승복(Leigh Seung-Bok),김태연(Kim Tae-Yeon) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
General comfort indices are ET<SUP>*</SUP>, SET<SUP>*</SUP>, PMV and PPD. These indices are made in a steady state with little temperature variation and have been widely used to assess outdoor thermal comfort. However, research have recently showed that the range people feel comfortable in outdoors is larger than that assessed by indoor comfort indices. The causes have been reported by difference of psychological aspects as individual expectation and physiological respond to exposure time ranges. This discrepancy has occasioned the need of outdoor thermal comfort index and revitalizes related studies. As the importance of outdoor environment is increasing in apartment house of Korea, the outdoor comfort index became necessary to analyze outdoor quantitatively. The index can also be used in environment assessment of theme parks and sport stadiums and restaurants and cafes taking advantage of outdoor environments. But there are almost no studies on outdoor thermal comfort compared with the other countries. This study analyzed research about the outdoor thermal comfort assessment and showed the direction of succeeding study.
서울 주거부문 에너지 소비량 저감 전략에 따른 효과 분석
정창헌(Cheong Chang-Heon),김지영(Kim Ji-Yoe),김석기(Kim Seok-Ge),김태연(Kim Tae-Yeo),이승복(Leigh Seung-Bok) 대한건축학회 2009 대한건축학회논문집 Vol.25 No.11
Energy efficiency in City is becoming a crucial issue in Korea. Seoul, the capital of Korea tries to reduce energy consumption and CO2 emission rate. Building energy consumption in Seoul is very high and construction of energy efficient building beome much more important than ever before. Therefore, appropriate establishment of building energy reduction strategy is very important. The Purpose of this study is to evaluate the residential building energy reduction scenarios and to give reasonable guidelines for residential building energy reduction strategy. This study performes following three procedure. First, analysis over the domestic building energy policy was performed. Second, we made several scenarios about energy consumption in domestic building field and evaluated each scenario. Third, analysis about each scenario was performed and several guidelines were determined. As a result, it is found that reduction of energy consumption in existing building is very important to effectively reduce energy consumption in domestic building in Seoul. In addition to this, energy reduction in residential building category is very hard than expected. Consequently energy reduction by changing citizen's life style to sustainable life style is strongly urged.
이정윤(Lee Jung-Yun),정창헌(Cheong Chang-Heon),김석기(Kim Seok-Ge),김태연(Kim Tae-Yeon),이승복(Leigh Seung-Bok) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
Recently, the demand for high-rise building is increasing because it has a lot of economic advantages. However, the high-rise building has a problem using natural ventilation because of the strong outdoor wind velocity. Consequently, it causes high building energy load by using mechanical ventilation systems to maintain the comfort indoor condition. Double skin facade is commonly used as an alternative to make up for this weakness since it can mitigate the external effects on the indoor environment and increase the possibility of natural ventilation. This study focuses on the natural ventilation performance of the double skin facade system depending on the position of outer and inner facade openings and size of them. The cavity of the double skin facade preheats the air and it can cause the undesirable indoor temperature increase in the cooling season. It will be much more beneficial to maintain the inducing air temperature low in the cooling season to reduce the cooling load. To optimize the comfort ventilation performance of double facade system, it is necessary to establish appropriate operation mode of openings depending on the outdoor temperature. This study analyzes the possible period comfort ventilation depending on the different window opening operation mode.
건물일체형 태양광발전시스템(BIPV)의 설치조건에 따른 발전특성 연구
안영섭(An, Young-Sub),송종화(Song, Jong-Hwa),김석기(Kim, Seok-Ge),이성진(Lee, Sung-Jin),윤종호(Yoon, Jong-Ho) 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.05
This study has analysed power output characteristics of transparent thin-film PV module depending on incidence angle and azimuth. The simulation results was evaluated power outputs of transparent thin-film PV module depending on incidence angle and azimuth after calibrating the experimental and computed data. As a result, the best power output performance of transparent thin-film PV module was obtained at slope of 30? to the south, producing the annual power output of 977kWh/kWp. The annual power output data demonstrated that the PV module with a slope of 30? could produce a 68 % higher power output than that with a slope of 90?, with respect to the inclined slope of the module. Furthermore, the PV module facing south showed a 22 % higher power output than that facing to the east in terms of the angle of the azimuth.
건물일체형 투광성 PV모듈의 설치각도별 발전특성에 관한 연구
송종화(Song Jong-Hwa),윤종호(Yoon Jong-Ho),안영섭(An Young-Sub),김석기(Kim Seok-Ge),이성진(Lee Sung-Jin),정연규(Choung Youn-Kyoo) 한국태양에너지학회 2008 한국태양에너지학회 논문집 Vol.28 No.2
This study has analysed power output characteristics of transparent thin-film PV module depending on incidence angle and azimuth. The experiment results showed power outputs of transparent thin-film PV module applied to full-scale mock up model on slope of 90° 30°, 0° to the south. The simulation results was evaluated power outputs of transparent thin-film PV module depending on incidence angle and azimuth after calibrating the experimental and computed data. As a result. the best power output performance of transparent thin-film PV module was obtained at slope of 30° to the south. producing the annual power output of 977kWh/kWp. The annual power output data demonstrated that the PV module with a shoe of 30° could produce a 68% higher power output than that with a slope of 90°, with respect to the inclined slope of the module. Furthermore, the PV module facing south showed a 22% higher cower output than that facing to the east in terms of the angle of the azimuth. Specipically. the varying power output with incidence angle of PV module can be resulted from the influence of incidence angle modifier of glass on PV module. That is, the solar energy transmission can be reduced as an increase of incidence angle of PV module. Therefore, when the inclined slope of the PV module was over 70° there was a significant reduction of power output, and this was caused by the decrease of solar energy transmission in the transparent thin-film PV module,
서지은(Suh Ji-Eun),박병용(Park Beung-Yong),김석기(Kim Seok-Ge),김태연(Kim Tae-Yeon),이승복(Leigh Seung-Bok) 대한건축학회 2009 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.29 No.1(계획계)
Recently, there has been industrialization and urbanization through decades, including the Seoul Metropolis, and cities have had more and more buildings and population. This increasing causes lots of environmental problems such as heat island phenomenon, which is one of important theme that has to be solved these days. In Korea, there are not enough studies to analyze and indicate plans to deal with heat island, compared with other developed countries. Therefore, recognition and understanding of heat island should be spread more, and also, present condition of environment should be analyzed quantitatively so that various countermove can be get ready. This study can be the basis of that kind of analysis by analyzing of heat island causes in statistical way, focused on Seoul. For the dependent variable, average minimum temperature of winter season is analyzed by population, structures, and energy consumption, so the relationship between causes and results of heat island can be showed as an numerical formula. The result shows that the amount of electric power sold affects most, and the amount of LNG sold affects least. Through this study, the actual condition of heat island of Seoul can be confirmed again; moreover, it can be the foundation for preparation of counterplan of heat island by making a close examination of causes and elements of heat island.
건물일체형 투명 PV복층창의 설치조건에 따른 단위출력당 발전특성 분석연구
안영섭(An Young-Sub),송종화(Song Jong-Hwa),김석기(Kim Seok-Ge),이성진(Lee Sung-Jin),윤종호(Yoon Jong-Ho) 한국태양에너지학회 2008 한국태양에너지학회 학술대회논문집 Vol.- No.-
This study is on the analysis of power output of transparent thin-film PV windows which are integrated into the building envelope instead of traditional windows. 3 installation angles of vertical, horizontal and 30° inclination are investigated. To measure power output of PV windows, full scale mock-up house was designed and constructed. The power performance of PV window system was analyzed for horizontal angle, declination angle and vertical angle according to incline angle. Monitoring data are gathered from November 2006 to August 2007 and statistical analysis is performed to analysis a characteristics of power performance of transparent PV windows. Results show that annual power output of PV window with horizontal angle is 844.4㎾h/㎾p/year, declination angle l,060㎾h/㎾p/year and vertical angle 431.6 ㎾h/㎾p/year.
투명 박막 태양광 창호의 경사각에 따른 발전량 실측연구
윤종호(Yoon Jong-Ho),안영섭(An Young-Sub),송종화(Song Jong-Hwa),김석기(Kim Seok-Ge),이성진(Lee Sung-Jin),정연규(Choung youn-Kyoo) 대한건축학회 2008 대한건축학회논문집 Vol.24 No.9
This study is on the analysis of power output of transparent thin-film PV windows which are integrated into the building envelope instead of traditional windows. 3 installation angles of vertical, horizontal and 30° inclination are investigated. To measure power output of PV windows, full scale mock-up house was designed and constructed. The power performance of PV window system was analyzed for horizontal angle, declination angle and vertical angle according to incline angle. Monitoring data are gathered from November 2006 to August 2007 and statistical analysis is performed to analysis a characteristics of power performance of transparent PV windows. Results show that annual power output of PV window with horizontal angle is 844.4㎾h/㎾p/year, declination angle 1,060㎾h/㎾p/year and vertical angle 431.6 ㎾h/㎾p/year.