• 제목/요약/키워드: Power plant industry

검색결과 448건 처리시간 0.03초

원전건설 공급망관리 기술영역 도출을 위한 기초연구 (A Fundamental Research for Technology area of SCM in Korean Nuclear Power Plant Construction)

  • 박항순;김우중;정영환;원서경
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2013년도 춘계 학술논문 발표대회
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    • pp.268-270
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    • 2013
  • The construction project can be defined as a network combined between elements which are engineering, procurement, construction, start-up, and has a plenty of subjects and partners. For the successful project management in construction industry, it is necessary to adopt various management methods, such as lean production, information network system, SCM(Supply Chain Management), which can increase the efficiency of project management. During recent years, even though various management techniques have been applied, the SCM system has not formulated in construction industry. Especially, the Nuclear Power Plant Construction which requires high regulations of the safety and security has not applied SCM. Therefore, this study aimed to propose technology area of SCM in Korean Nuclear Power Plant Construction.

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Applications of online simulation supporting PWR operations

  • Wang, Chunbing;Duan, Qizhi;Zhang, Chao;Fan, Yipeng
    • Nuclear Engineering and Technology
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    • 제53권3호
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    • pp.842-850
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    • 2021
  • Real Time Simulation (RTS) has long been used in the nuclear power industry for operator training and engineering purposes. And, Online Simulation (OLS) is based on RTS and with connection to the plant information system to acquire the measurement data in real time for calibrating the simulation models and following plant operation, for the purposes of analyzing plant events and providing indicative signs of malfunctioning. An OLS system has been developed to support PWR operations for CPR1000 plants. The OLS system provides graphical user interface (GUI) for operators to monitor critical plant operations for preventing faulty operation or analyzing plant events. Functionalities of the OLS system are depicted through the maneuvering of the GUI for various OLS functional modules in the system.

원자로용 대형 헤드 단강품의 개발동향 (Development Trend of the Large Head Forgings for Reactor Vessel)

  • 김동권;김동영;김영득
    • 한국소성가공학회:학술대회논문집
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    • 한국소성가공학회 2005년도 제10회 단조 심포지엄
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    • pp.131-139
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    • 2005
  • Reactor Vessel is one of the most important structural part of nuclear power plant. It is manufactured by various steel forgings such as shell, head and transition ring. Head forgings has been made by open die forging process. After steel melting and ingot making, open die forging has been carried out to get a good quality which means high soundness and homogeniety of the steel forgings by using high capacity hydraulic press. This paper introduced the development trend of the open die forging process and manufacturing experience of large head forgings which canl be used for the reactor vessel of nuclear power plant.

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발전소 증설이 환경, 지역사회 및 경제에 미치는 영향 - 제 3차 전력 수급계획에 의한 인천 지역의 화력발전소 증설을 중심으로 - (The Impact of Power Plants on the Environment and Region - Focus on Incheon Area according to the 3rd Electric Support Action Plan -)

  • 정창훈;;이희관
    • 환경영향평가
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    • 제18권4호
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    • pp.195-208
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    • 2009
  • The power plant is well known to influence air pollution as well as emission of green house gas. Because of increasing demand on electricity, the government set up the electric support action plan every 2 years. In this research, the impacts of power plants on the environment and region was studied. The study was focused on the establishment of power plant in Incheon area based on the 3rd electric support action plan. According to the 3rd electric support action plan, almost 80% of power plant in metropolitan area is planned to be built in Incheon area. The main influences of establishment of power plant are emissions of $SO_x$, $NO_x$ and PM and exceed the allocated local industry emissions, which means the emission allocation of other industry is difficult. In additions, the power plant exhaust $CO_2$ much more than other types of fuel such as waterpower generation, atomic power station. Although several supports are given in local government, these cannot cover the whole cost due to establishment of power plant. Subsequently, this study suggest the additional policy based on local consideration is needed and the current electricity distribution system should be reconsidered fundamentally in the lang term.

원전 산업과 가상현실기술 접목을 위한 3D 모델 원전 적용사례 연구 (A case Study of 3D Model Application for Combining Nuclear Power Industry with Virtual Reality Technology)

  • 임병기
    • 한국건축시공학회:학술대회논문집
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    • 한국건축시공학회 2019년도 춘계 학술논문 발표대회
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    • pp.224-225
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    • 2019
  • Virtual reality technology can be defined as human-computer interface that makes virtual place of specific environments or situation is an interactive computer-generated experience taking place within a simulated environment. In order to combine virtual reality technology of domestic nuclear power industry, the R&D Project has been developing a virtual/augment reality system for nuclear power plant from April 2018 to March 2021. To effectively apply virtual reality technology of domestic nuclear industry, it is necessary to build virtual space similar to real environment. Therefore, This study is analysed 3d model status for nuclear power plant during the life-cycle, and suggested a method to build 3D cad model close to real environment.

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데이터 기반 설계기법 도입에 따른 원전 건설관리체계 개선방향 고찰 (A Study on Improvement of Nuclear Power Plant Construction System According to Data-centric Design Technique Introduction in Korea)

  • 임병기;변수진
    • 에너지공학
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    • 제25권1호
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    • pp.108-112
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    • 2016
  • 본 연구에서는 국내 원전 산업의 데이터 기반 설계기법 전환을 위하여 관련 문헌을 조사하고 데이터 기반 설계기술에 대한 개념을 정립하였다. 또한 국내외 원전 산업 기술동향 분석을 통해 데이터 기반 설계통합시스템 Framework 개발 및 관련 주요기능을 도출하였다. 국내 원전 건설 시 최신 설계통합시스템 적용에 따라 이를 활용하는 제작사, 시공사 및 발주자의 업무수행 방식 또한 전면적인 전환을 위한 원전 건설단계별 업무프로세스 개선방향을 도출하였다. 이는 기자재 3D 모델 통합, 3D CAD 모델생성, 시공검토 Simulation 등 모델기반 현장설계 수행이 가능하며, 현장설계에서 발생하는 모든 설계도면 및 관련 정보가 데이터 기반 3D CAD 시스템으로 통합관리가 가능하여 이를 운영단계에 이관하여 O&M 단계에서 데이터 기반 운영체계가 가능함에 따라 발전소 안전 운영에 향상이 기대된다.

Floating Gas Power Plants

  • Kim, Hyun-Soo
    • 한국산업융합학회 논문집
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    • 제23권6_1호
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    • pp.907-915
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    • 2020
  • Specification selection, Layout, specifications and combinations of Power Drives, and Ship motions were studied for FGPP(Floating Gas-fired Power Plants), which are still needed in areas such as the Caribbean, Latin America, and Southeast Asia where electricity is not sufficiently supplied. From this study, the optimal equipment layout in ships was derived. In addition, the difference between engine and turbine was verified through LCOE(Levelized Cost of Energy) comparison according to the type and combination of Power Drives. Analysis of Hs(Significant Height of wave) and Tp(spectrum Peak Period of wave) for places where this FGPP will be tested or applied enables design according to wave characteristics in Brazil and Indonesia. Normalized Sloshing Pressures of FGPP and LNG Carrier are verified using a sloshing analysis program, which is CFD(Computational Fluid Dynamics) software developed by ABS(American Bureau of Shipping). Power Transmission System is studied with Double bus with one Circuit Breaker Topology. A nd the CFD analysis allowed us to calculate linear roll damping coefficients for more accurate full load conditions and ballast conditions. Through RAO(Response Amplitude Operator) analysis, we secured data that could minimize the movement of ships according to the direction of waves and ship placement by identifying the characteristics of large movements in the beam sea conditions. The FGPP has been granted an AIP(Approval in Principle) from a classification society, the ABS.

고부하에서의 보일러 플랜트 부하변동 묘사를 위한 프로세스 모델 개발 및 적용 (Development and Application of Process Model for Description of Load Change of Boiler Plant in High Load)

  • Park, Jeong;Lee, Ki-Hyun;Yang, Li-Ming;In, Jong-Soo;Park, Seok-Ho;Kweon, Sang-Hyeok;Oh, Dong-Han
    • 에너지공학
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    • 제6권1호
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    • pp.41-51
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    • 1997
  • 단일 드럼형 보일러를 갖는 발전 플랜트의 동특성 해석을 위한 프로세스 모델이 모듈 개념을 기반으로 묘사된다. 현재의 프로세스 모델은 플랜트 전체 구성 요소 및 고부하에서의 부하 변동을 포함하며 lumped parameter에 의해 물리적으로 접근된다. 플랜트 성분을 의미하는 모듈은 필수적으로 성분 특성을 잘 묘사하며 사용자에 의해 결정된 배열에 대해 압력점 방식에 의해 상호 연결된다. 프로세스 모델의 발전 플랜트 시스템에 대한 적용성 여부를 조사하기 위해 100MW발전 플랜트의 실제 운전 LOG-IC을 갖는 제어 시스템에 연결하여 3MW/min 부하 변동율로 75MW에서 95MW, 95MW에서 75MW조건에 대해 조사된다.

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