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장홍순,Jang, Hong-Sun 대한전기협회 2005 전기저널 Vol.346 No.-
캐나다 정부는 기후변화 대책의 일환으로 청정 및 신재생 에너지인 풍력 에너지의 발전 용량을 증대시키기 위한 대형 풍력발전단지를 신규로 조성키로 하는 등 최근 풍력발전용량의 증설을 활발히 추진하고 있습니다. 이와 관련한 풍력 발전의 시책과 동향을 개조식으로 소개합니다.
두 종류의 다른 작동유체가 ORC 시스템의 성능에 미치는 영향
장홍순(Hong-Soon Chang),송영길(Yeong-Kil Song),한영섭(Young-Sub Han) 대한설비공학회 2013 설비공학 논문집 Vol.25 No.7
The organic Rankine Cycle (ORC) uses a kind of refrigerant as a working fluid that evaporates at relatively low temperature, as the Rankine Cycle uses superheated steam as the working fluid. A small scale ORC test bench was installed, and two different working fluids (R245fa and R134a) were injected into the test bench. The test bench was in operation with the two different working fluids under the same conditions. The effects against the system performance from the different working fluids were analysed, and root causes were identified. Other factors reflecting the power generation efficiency were also found. A conclusion was drawn, that R245fa makes the system perform better, than R134a.
최대전력 분석시뮬레이터 개발 및 조명설비 제어 시뮬레이션
장홍순(Hong-Soon Chang),한영섭(Young-Sub Han),서상현(Sang-Hyun Soe) 한국조명·전기설비학회 2013 조명·전기설비학회논문지 Vol.27 No.3
The maximum power analysis simulator took advantage of the facilities and power consumption reduction simulator test scenario development and testing of improvement in the scenario. As a maximum demand power controller, Maximum power analysis simulator performs control and disperasion of maximum demand power by calculating base power, load forecast, and present power which are based on signal of watt-hour meter to keep the electricity under the target. In addition, various algorithms to select appropriate control methode on each of the light installations through the peak demand power is configured to management. The simulation shows the success of control power for the specified target controlled by five sequential lighting installations.
R-245fa 및 NOVEC 649 작동유체에 따른 ORC 시스템 성능 변화
장홍순(Hong-Soon Chang),한영섭(Young-Sub Han),송영길(Yeong-Kil Song),김성현(Sung-Hyun Kim) 한국지열·수열에너지학회 2016 한국지열에너지학회논문집 Vol.12 No.3
A test unit for Organic Rankine Cycle (ORC) power generation system was developed and experimentally reviewed the performance of the ORC system. Two different organic fluids (R- 245fa & Novec 649) were tested as working fluids for the system. System behavior was measured and analyzed along with the variables, such as temperature, pressure, rpm and shaft power. It is one of the findings that Novec 649 fluid is to be less pressurized than R-245fa in order to up to the heat source (boiler) capacity, that limits the experiment as high as 2 kW in shaft power.