• Title/Summary/Keyword: Solar City

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Current Status of Solar Power Generation in Jinju City Close to the South Coast and Jeonju City Close to the West Coast

  • Kwang Pyo Hong;Yun-Hi Kim;Gi-Hwan Kim
    • Journal of the Korean Institute of Electrical and Electronic Material Engineers
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    • v.36 no.1
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    • pp.62-69
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    • 2023
  • Recently, renewable energy has been increasing in Korea to reduce greenhouse gas, and solar power generation, which accounts for the largest proportion of renewable energy, is noteworthy. The government policy will further increase solar power generation. In order to implement the policy, it is important to understand the current status of domestic solar power generation facilities. Therefore, the current status of solar power generation facilities in Jinju city close to the south coast and Jeonju city close to the west coast was investigated and compared. By 2020, 618 solar power plants had been installed in Jeonju city and 269 in Jinju city. However, there is not much difference in the amount of solar power generation for business at 9 GWh. The reason is that Jinju city has a lower population density than Jeonju city, so there are enough places to install a large-scale solar power facilities with a large power generation capacity. Monthly solar power generation was the highest in April in both Jeonju city and Jinju city and the lowest in January. In particular, in December, Jinju city showed more solar power generation than Jeonju city because of the large amount of insolation, long sunshine hours, and few clouds.

Best Practices Research Use of Solar Energy For Low Carbon Green City (저탄소 녹색도시를 위한 태양에너지 이용 선진사례 조사)

  • Kim, Ji-Su;Lee, Eung-Jik;Lee, Chung-Sik
    • 한국태양에너지학회:학술대회논문집
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    • 2009.04a
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    • pp.37-42
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    • 2009
  • We are in search for many method at 21th century thinking about the environment internationally. One is among them low carbon green city. Consequently this dissertation put a system solar energy key point of low carbon green city and purpose of low carbon green city Besides system and technique about the solar energy best practices try to do the investigation analysis. It's important of low carbon green city's environmental friendly system such as solar heat system, solar power generation, ecological greening, All these systems are connected each other and organize low carbon green city. A solar energy system uses pure energy of the situation directly most among the environmental friendly system. Energy saving and environment-friendly city in the world must do not a choice. However, recognition conversion and infrastructure of the Korea still has not come true. But South Korea and the international best practices is not the same system. But plan to solar city, the concept of green city in Cheongju, Deagu local government. And many meetings are in progress.

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A Study on the Optimum Selection of Placing Photovoltaic Module In the Metropolitan City Using a TRNSYS (TRNSYS를 이용한 지역별 고정형 태양광모듈 배치안 검토)

  • Park, Sung-Hyun;Seo, Jang-Hoo
    • 한국태양에너지학회:학술대회논문집
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    • 2011.11a
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    • pp.297-302
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    • 2011
  • In this study, used Trnsys and will apply metropolitan city distinguishes, fixations and BIPV systems the photovoltaic module arrangement environment which receives solar radiation quantity plentifully from the case design process which and most the outcome value simulation did analyzed. The climate data uses each metropolitan city distinguishes 20 average weather data, With measured values of horizontal solar radiation. The error scope appeared with 0.1%~6.7%. Variable of module arrangement Azimuth and angle of inclination of module and comparison group Module on due south direction angle of inclination $45^{\circ}$ day time set with the yearly average solar radiation quantity which receives. The result When the case comparison group which arranges a solar storehouse module with optimum environment and comparing until the minimum 1.4% - maximum 10.9% the solar radiation quantity difference appears with the thing, metropolitan city distinguishes considers the case solar radiation quantity which will arrange a photovoltaic module and that must establish with optimum environment judges.

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Analysis of Slope Characteristics Around the Location of Solar Power Plants in Gangwon Province, South Korea (강원 지역 산지 태양광 발전시설이 설치된 지역의 사면특성 분석)

  • Beomjun Kim;Jiho Kim;Yongcheol Park;Chanyoung, Yune
    • Journal of the Korean GEO-environmental Society
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    • v.24 no.11
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    • pp.33-40
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    • 2023
  • To analyze the slope characteristics of solar power plant installation region in Gangwon province, the installation status of solar power plant in Gangneung and Wonju city were investigated using GIS technique and satellite map. The solar power plant installation of Gangneung and Wonju city is 36 and 48 regions. Through topographical data of solar power plant installation region, a database for area, slope inclination, and elevation was construced. Based on the database, the slope characteristics of solar power plant installation region in Gangneung and Wonju city was analyzed. The results showed that the slope of Wonju city has a relatively higher slope inclination than Gangneung city. In addition, Gangneng and Wonju cities have many regions with maximum inclination of 15° and 34° or more within the solar power plant.

Localization of solar-hydrogen power plants in the province of Kerman, Iran

  • Mostafaeipour, Ali;Sedaghat, Ahmad;Qolipour, Mojtaba;Rezaei, Mostafa;Arabnia, Hamid R.;Saidi-Mehrabad, Mohammad;Shamshirband, Shahaboddin;Alavi, Omid
    • Advances in Energy Research
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    • v.5 no.2
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    • pp.179-205
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    • 2017
  • This research presents an in-depth analysis of location planning of the solar-hydrogen power plants for electricity production in different cities situated in Kerman province of Iran. Ten cities were analyzed in order to select the most suitable location for the construction of a solar-hydrogen power plant utilizing photovoltaic panels. Data envelopment analysis (DEA) methodology was applied to prioritize cities for installing the solar-hydrogen power plant so that one candidate location was selected for each city. Different criteria including population, distance to main road, flood risk, wind speed, sunshine hours, air temperature, humidity, horizontal solar irradiation, dust, and land costare used for the analysis. From the analysis, it is found that among the candidates' cities, the site of Lalezar is ranked as the first priority for the solar-hydrogen system development. A measure of validity is obtained when results of the DEA method are compared with the results of the technique for ordering preference by similarity to ideal solution (TOPSIS). Applying TOPSIS model, it was found that city of Lalezar ranked first, and Rafsanjan gained last priority for installing the solar-hydrogen power plants. Cities of Baft, Sirjan, Kerman, Shahrbabak, Kahnouj, Shahdad, Bam, and Jiroft ranked second to ninth, respectively. The validity of the DEA model is compared with the results of TOPSIS and it is demonstrated that the two methods produced similar results. The solar-hydrogen power plant is considered for installation in the city of Lalezar. It is demonstrated that installation of the proposed solar-hydrogen system in Lalezar can lead to yearly yield of 129 ton-H2 which covers 4.3% of total annual energy demands of the city.

A Study on The development status and future of Photovoltaic Urban Project (태양광발전 도시 프로젝트의 개발현황과 발전방향 고찰)

  • Kim, Hyun-Il;Suh, Seung-Jik;Park, Kyung-Eun;Kang, Gi-Hwan;Yu, Gwon-Jong
    • Journal of the Korean Solar Energy Society
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    • v.28 no.6
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    • pp.87-92
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    • 2008
  • Buildings are responsible for approximately 50% of current carbon dioxide emissions. Energy planning at a town and city scale needs a strategic approach, supported by strong planning policies. The purpose of this study was to investigate the urban scale grid-connected photovoltaic(PV) system for urban residential and commercial sector applications. The integration of PV technology into roof of houses is an approach that is being championed in Germany, Japan and United states etc. In the Korea, PV roofing systems already are given the large number of houses which are projected to be built by 2012. However unlike germany and Japan, urban scale grid-connected PV system is not yet installed. The solar city which is installed building-integrated photovoltaic system is available to use of renewable energy sources such as solar to meet demand, instead of fossil fuels, with the goal of realizing an ecologically oriented energy supply.

A Methodology of Optimal Design for Solar Heating and Cooling System Using Simulation Tool

  • Lee, Dongkyu;Nam, Hyunmin;Lee, Byoungdoo
    • International conference on construction engineering and project management
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    • 2015.10a
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    • pp.540-543
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    • 2015
  • Solar energy is one of the most important alternative energy sources which have been shown to meet high levels of heating and cooling demands in buildings. However, the efficiencies to satisfy these demands using solar energy significantly vary based on the characteristics of individual building. Therefore, this paper is focused on developing the methodology which can help to design optimal solar system for heating and cooling to be in cooperated within the existing buildings according to their load profiles. This research has established the Solar Heating and Cooling (SHC) system which is composed of collectors, absorption chiller, boiler and heat storage tank. Each component of SHC system is analyzed and made by means of Modelica Language and Pistache tool is verified the results. Sequential approximate optimization (SAO) and meta-models determined to 15 design parameters to optimize SHC system. Finally, total coefficient of performance (COP) of the entire SHC system is improved approximately 7.3% points compared to total COP of the base model of the SHC system.

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A Study on Actual Condition Analysis of Solar Thermal System Demonstrative Enterprise in the J City (J시 태양열 시범사업의 실태조사.분석에 관한 연구)

  • Yoo, Dong-Chul;Lee, Doo-Ho;Lee, Eung-Jik
    • 한국태양에너지학회:학술대회논문집
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    • 2011.04a
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    • pp.80-85
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    • 2011
  • As the instability of oil prices rose because of the situation in Libya, oil prices worldwide recorded the highest level due to the interference in supply. And so, in the 21st century, increasing efforts are being made to use clean new renewable energy centered on solar energy in accommodation of the cycle of nature instead of being reliant on the oil exporting nations. In order to reduce city energy internationally, the implementation of a low carbon city under the combined cooperation of industrial. construction, new renewable energy and transportation sectors with continuous development centered on low carbon green urban planning is now becoming established as the paradigm of the times. Recently, the government has begun carrying out the One Million Green Home Project, which is a project where the government with the goal of providing one million renewable energy homes by 2020 gives renewable energy subsidization for a partial amount of the standard unit price of installation when solar ray, solar heat, geothermal heat, small wind power or fuel cell energy is used. Thus, through this thesis which studies the state of and surveys the green village at Shingok-ri Songhak-myun Jaecheon-shi, it is the desire that the One Million Green Homes Project will be more efficiently developed and plans for improvement formed so that a high level of satisfaction in the product will be provided.

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Environmental Performance Evaluation for Song-do City Constructions by using Green Building Certification Criteria (친환경건축물(親環境建築物) 인증기준(認證基準)을 이용(利用)한 송도국제도시(松島國際都市) 건축물(建築物)의 친환경성(親環境性) 평가(評價))

  • Park, Tae-Bum;Kim, Yong-Shik
    • Journal of the Korean Solar Energy Society
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    • v.26 no.3
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    • pp.111-117
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    • 2006
  • Song-do City is a newly constructed city built on land reclaimed from the seaside and the surrounding area. Its development involved a long process since the basic plans for reclamation of the publicly owned seaside area in Song-do were drawn up in September 1979. However, if we take a look at the overall status of the project as it is carried on at present, it is hard to deny that the project is trapped inside the same legal restrictions as are all other existing cities, which permits Song-do City to meet only very minimum standards. This study intends to analyze and assess the Song-do City's environmentally friendly construction and to rate its current development status, exposing any problems and offering alternative solutions. In this paper, the current state of constructions in Song-do City were reviewed. Then a quantitative analysis and assessment for the Song-do City constructions of apartments, complex buildings, office buildings, and school facilities were conducted by using green building certification criteria. Finally the synthetic results of environmental performance evaluation for Song-do city constructions and follow-up suggestions were described.