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류승표(S.P. Ryu),전세봉(S.B. Jeon),민병권(B.G. Min),서광덕(K.D. Seo) 전력전자학회 2003 전력전자학술대회 논문집 Vol.2003 No.7(2)
Recently, because of the depletion of fossil<br/> fuels and the environmental pollution by using fossil fuels and atomic power generation, the interests concerning of new and renewable energy resources are rising rapidly.<br/> In this study, the 3kWp photovoltaic power generation system is realized to verify the performance of the PCS developed<br/> The photovoltaic array used in this system IS composed of 60 modules of 50Wp capacity. The developed system is tested and the experimental results show the excellent electrical characteristics
이춘만(Choon-Man Lee),류승표(Sung-PYO Ryu),화영수(Young-Su Kwang),정원지(Jong-Yun Jung),정종윤(Won-Jee Chung),고태조(Tae-Jo ko) 대한기계학회 2003 대한기계학회 춘추학술대회 Vol.2003 No.11
The properties of a machine tool greatly affect machining quality since a machine tool has large variance in its features. Mcchine tool makers want to find best machining condition with the one that they have built, Machine builders need to develop test spercimen since it helps finding characteristies of machine tools when the machining properties of the specimen are analyzed. This paper develops test specimen to identify features of the main spindlem the feeding device and the frane of a machine tool. The specimen is machined with a high speed machine and the features of the machine are analyzed with test items. They are surface roughness overshoot in axial movement, errors in cireular movement. feeding wit amall moemenr, and compensational error. This werk can improve usability for a machine tool in machining practice.
민병권(Min, Byoung-Gwon),류승표(Ryu, Seung-Pyo),전세봉(Jeon, Se-Bong),이봉우(Lee, Bong-Woo),김남해(Kim, Nam-Hae) 한국신재생에너지학회 2005 한국신재생에너지학회 학술대회논문집 Vol.2005 No.06
Recently, because of the depletion of fossil fuels and the environmental pollution by using fossil fuels and harmfulness of atomic power plants. the interests concerning new and renewable energy resources are rising increasingly. And of all new and renewable energy sources the PV generation systems are recognized as the most useful and desirable renewable energy source in allowance for installation conditions. In this development, the 3kWp photovoltaic power generation system is realized to verify the performance of the 3kWp PCS developed by Hyundai Heavy Industries Co. (HHI). The photovoltaic array used in this system is composed of 60 modules of 50Wp capacity. The developed system is tested as procedures and items of test regulation recognized by governmen and the experimental results show the excellent electrical characteristics. Now, the 3kWp PCS developed is installed in the PV model house built in HHI plant and is being tested for practical use commercialization.