• 제목/요약/키워드: Co-generation system

검색결과 806건 처리시간 0.03초

고농도 차아염소산나트륨 발생장치 국산화 개발 (Localization Development of On-Site High Sodium Hypochlorite Generation)

  • 김정식;신현수;이은경;정붕익
    • 대한기계학회논문집 C: 기술과 교육
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    • 제1권1호
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    • pp.83-90
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    • 2013
  • 본 연구는 정수처리공정에서 사용하는 염소소독으로 취급이 용이하며, 기존 액화염소를 대체할 수 있는 현장발생형 고농도 차아염소산나트륨 발생장치를 국산화 개발하는 것이다. 이 장치는 포화소금물을 이용한 전기화학적 특성으로 고농도(12%)의 차아염소산나트륨을 생성하는 것으로, 저농도(0.8%)의 차아염소산나트륨 발생장치보다 전류효율 38.7 % 높이고, 소금사용량 54.6 %와 클로레이트 함량 97.3%을 저감하는 장치이다.

Co-Pilot Agent for Vehicle/Driver Cooperative and Autonomous Driving

  • Noh, Samyeul;Park, Byungjae;An, Kyounghwan;Koo, Yongbon;Han, Wooyong
    • ETRI Journal
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    • 제37권5호
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    • pp.1032-1043
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    • 2015
  • ETRI's Co-Pilot project is aimed at the development of an automated vehicle that cooperates with a driver and interacts with other vehicles on the road while obeying traffic rules without collisions. This paper presents a core block within the Co-Pilot system; the block is named "Co-Pilot agent" and consists of several main modules, such as road map generation, decision-making, and trajectory generation. The road map generation builds road map data to provide enhanced and detailed map data. The decision-making, designed to serve situation assessment and behavior planning, evaluates a collision risk of traffic situations and determines maneuvers to follow a global path as well as to avoid collisions. The trajectory generation generates a trajectory to achieve the given maneuver by the decision-making module. The system is implemented in an open-source robot operating system to provide a reusable, hardware-independent software platform; it is then tested on a closed road with other vehicles in several scenarios similar to real road environments to verify that it works properly for cooperative driving with a driver and automated driving.

현장 측정에 근거한 열병합 발전 시스템의 제어, 보호 해석용 EMTDC 모델 수립 (EMTDC Model Development for Control & Protection Analysis of Co-Generation System based on On-site Characteristic Tests)

  • 김학만;신명철
    • 조명전기설비학회논문지
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    • 제20권5호
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    • pp.85-91
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    • 2006
  • 열병합 발전 시스템이 급속히 보급되고 있으며, 대부분 계통 연계형으로 운전될 것으로 예상되며 안정된 계통의 운용을 위해서 연계 계통과의 보호, 제어 해석을 위한 모델이 요구된다. 본 논문에서는 열병합 발전 시스템의 제어, 보호 해석용 EMTDC 모델을 현장 계측에 근거하여 수립하였다. 그리고 특성 시험을 통하여 모델의 파라미터 정정을 하였으며 수립한 EMTDC 모델을 실 현장 시스템에 적용하여 계통 고장에 대해서 제어, 보호 등의 동특성 해석을 수행하였다. 그리고 시뮬레이션 결과를 검토하여 제시한 모델의 타당성을 보였다.

PSCAD/EMTDC를 이용한 소형열병합발전 설비에서 보호계전시스템의 구성에 관한 연구 (Research about composition of protective system in Co-Generation)

  • 김용하;최상규;이범;이성준;이광성;박남철;이용석
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2006년도 제37회 하계학술대회 논문집 A
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    • pp.458-459
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    • 2006
  • System has to be applied as protection at existent supply of electric power system and link is different from when system is operated individually Co-Generation. When equipment is driven Co-Generation that associate in existent equipment in this paper, displayed operating state of function by duty of protective system.

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$CO_2$ 거래비용 변화에 따른 발전원가(변동비) 영향 분석 (A study of the effect on variable generation cost by the variation of $CO_2$ emission trading price)

  • 정영범;이영일;윤용범
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2007년도 제38회 하계학술대회
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    • pp.822-823
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    • 2007
  • It is easily can be expected that Korea cannot be free under the regulation, because Korea is one of the major $CO_2$ emitter in the world. Even though Korea currently doesn't have any obligation to mitigate the carbon emission, power industry needs to study the effect of that. this paper aims to analyze the change of economic loading order for generation dispatch by various carbon price, looking at each plant's or generator's variable generation cost per unit electricity(kWh) that consists of basic generation price calculated by automatic generation system planning model, WASP 4.0, and $CO_2$ price per unit electricity generation.

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태양광 발전용 전력변환장치의 정보표시장치 개발 (Development of the Information Display Device for Photovoltaic Power Conditioning System)

  • 이현두;전세봉;김종규;우명호;류승표;이세현
    • 전력전자학회:학술대회논문집
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    • 전력전자학회 2008년도 하계학술대회 논문집
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    • pp.601-603
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    • 2008
  • The main purpose of this study is to design and develop the information display device for power conditioning system of photovoltaic power generation system. The function of this device is to display the information, communicate with PCS controller and store the special information. The developed device is tested to verify the performance and experimental results show the excellent performance. An actual running test is being carried out to verify the reliability of the device including PCS by applying it to 10kW level photovoltaic power generation system established in Ulsan College.

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공동주택 열병합발전시스템도입에 의한 에너지 절감효과에 관한 연구 (A Research on Energy Reduction Effect of Cogeneration System of Apartment Houses)

  • 전민경;김주영;홍원화
    • 한국주거학회:학술대회논문집
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    • 한국주거학회 2006년도 추계학술발표대회 논문집
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    • pp.484-487
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    • 2006
  • Today, the age of high oil prices is continued, due to the energy demand is on the increase and human principlal energy sorce, fossil fuel. As an alternative plan of energy saving, co-generation system that produces power and thermal energy at the same time has actively developed. In 1960s, co-generation system was introduced to Korea and since 2000 it has diffused throughout the apartment house. Therefore, objectives of this study are to analyze the energy reduction effects in the region 4 apartment houses of Daegu and Kyungbuk regionand set up a plan for its expansion in the future.

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SAR Processing Software for Ground Station

  • Kwak, Sung-Hee;Lee, Young-Ran;Shin, Dong-Seok;Park, Won-Kyu
    • 대한원격탐사학회:학술대회논문집
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    • 대한원격탐사학회 2003년도 Proceedings of ACRS 2003 ISRS
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    • pp.634-636
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    • 2003
  • Satrec Initiative (Si) is developing a ground processing system for Synthetic Aperture Radar (SAR) data. SAR provides its own illumination and is not dependent on the light from sun, thus permitting continuous day/night operation and all-weather imaging. The system is capable of producing standard level products from SAR signal. Hence, the system should be able to perform matched filtering, range compression, azimuth compression, multi-look image generation, and geocoded image generation. This paper will describe the processing steps including algorithms, design, and accuracy of the Si's SAR processing system by comparing with commercial software.

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IGCC 플랜트에서 $CO_2$ 제거가 성능에 미치는 영향 (Influence of $CO_2$ Removal on the Performance of IGCC plant)

  • 차규상;김영식;이종준;김동섭;손정락;주용진
    • 한국신재생에너지학회:학술대회논문집
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    • 한국신재생에너지학회 2008년도 추계학술대회 논문집
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    • pp.242-245
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    • 2008
  • In the power generation industry, various efforts are needed to cope with tightening regulation on carbon dioxide emission. Integrated gasification combined cycle (IGCC) is a relatively environment friendly power generation method using coal. Moreover, pre-combustion $CO_2$ removal is possible in the IGCC system. Therefore, much effort is being made to develop advanced IGCC systems. However, removal of $CO_2$ may affect the system performance and operation through reduction of fuel gas supplied to the gas turbine. This study predicts system performance change due to $CO_2$ capture by pre-combustion process from the normal IGCC performance without $CO_2$ capture and presents results of design parametric analysis.

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소형 열병합 발전의 계통회피비용 산정 (Avoided cost calculation of Small co-generation)

  • 김용하;나인규;연준희;우성민;김미예;임현성;손승기
    • 대한전기학회:학술대회논문집
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    • 대한전기학회 2006년도 제37회 하계학술대회 논문집 A
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    • pp.355-356
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    • 2006
  • This paper calculates potential area conversing small co-generation generating capacity. Accordingly, power system considering small co-generation analyzes avoided cost compared with the electric supply & demand.

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