http://chineseinput.net/에서 pinyin(병음)방식으로 중국어를 변환할 수 있습니다.
변환된 중국어를 복사하여 사용하시면 됩니다.
박혜리(Herie Park),김영수(Young-Su Kim),최은혁(Eun-Hyuck Choi),박광서(Kwang-Seo Park),김이국(Lee-Kook Kim),박원주(Won-Zoo Park),이광식(Kwang-Sik Lee) 한국조명·전기설비학회 2008 한국조명·전기설비학회 학술대회논문집 Vol.2008 No.5월
This paper gives a basic data of the breakdown characteristics of Dry-Air and air based on their dew point and humidity variations in experimental GIS model by applying AC voltage. The breakdown voltage of Dry-Air was increased as gap length had been increased. The characteristics of Dry-air which had low dew point were higher. In the case of air, the breakdown voltage curves were like Dry-Air's. But the curves were slightly folded up and down because of impurities.
조명기구를 통한 내부획득열 추정을 위한 고단열실 및 조명기구의 열적 모델링
박혜리(Herie Park),최은혁(Eun-Hyeok Choi),이광식(Kwang-Sik Lee) 한국조명·전기설비학회 2012 조명·전기설비학회논문지 Vol.26 No.5
In order to reduce energy consumption and greenhouse gas emission in building domain, thermal insulation of building is being enhanced. In a well insulated and tightened environment, internal heat gain caused by solar radiation, luminaires, electronic appliances and metabolism can be more important to thermal condition of building. This paper presents mathematical/physical models of quasi-adiabtic room and lighting fixtures using heat balance equation and thermal-electric analogy to quantify and modelize the heat gain due to luminaires. Experimental results are used to identify thermal parameters of theoretical models. And simulation results of models using Matlab/Simulink are conducted to verify the models and to investigate the thermal effect of lighting fixtures into quasi-adiabatic room.
박혜리(Herie Park),최은혁(Eun-Hyuck Choi),이상호(Sang-Ho Lee),박숭규(Sung-Gyu Park),김정배(Jung-Bae Kim),박광서(Kwang-Seo Park),이광식(Kwang-Sik Lee) 대한전기학회 2008 대한전기학회 학술대회 논문집 Vol.2008 No.5
본 연구에서는 챔버 내에 압력 1~7[atm]의 Dry-Air를 주입한 후, AC전압을 인가하여, 전극의 모양에 따라 불평등 전계/준평등 전계를 형성하였을 시, 전극 사이에 넣은 고체절연물의 두께에 따른 연면방전 특성을 실험을 통하여 측정 · 비교한 것이다. 고체절연물로는 열경화성 플라스틱을 사용하였다. 챔버 내 Dry-Air의 주입압력이 높일수록 연면 절연파괴 전압이 높았고, 준평등 전계에서보다 불평등 전계 인가시 더 높은 절연파괴 전압을 얻을 수 있었다. 또한 고체절연물의 두께가 두꺼울수록 고체의 절연파괴 전압이 높았으며, 고체절연물의 두께가 2[㎜]일 경우, Dry-A의 연면 방전 특성이 SF. 보다 평균적으로 12~51[%] 낮고, 3[㎜]의 경우도 Dry-A의 연면방전 특성이 14~45[%] 가량 낮았다.
박혜리(Herie Park),이정환(Jung-Hwan Lee),최은혁(Eun-Hyuck Choi),박숭규(Sung-Gyu Park),김이국(Lee-Kook Kim),김기채(Ki-Chae Kim),이광식(Kwang-Sik Lee) 한국조명·전기설비학회 2009 한국조명·전기설비학회 학술대회논문집 Vol.2009 No.5월
This paper presents a basic data of the surface discharge characteristics for solid dielectric under non-uniform field in N₂/O₂ mixture gas. Used electrodes are needle and plane. Used solid dielectric is expoxy resin. With the variation of the mixture rates of the gas by 80[%]:20[%], 60[%]:40[%] and 40[%]:60[%] in same condition, we can obtain different surface dielectric strength. Increased pressure and thickness caused increased surface dielectric strength.
전극형상변화에 따른 Dry-Air 중의 에폭시 수지의 연면방전특성
박혜리(Herie Park),이정환(Jung-Hwan Lee),최은혁(Eun-Hyuck Choi),박숭규(Sung-Gyu Park),박광서(Kwang-Seo Park),이광식(Kwang-Sik Lee) 한국조명·전기설비학회 2008 한국조명·전기설비학회 학술대회논문집 Vol.2008 No.10월
This paper gives a basic data of the surface discharge characteristics for epoxy resin in Dry-Air. Used electrodes are needle to plane, sphere to plane and KS M3015 electrodes. With the changing electrodes in same condition, we can obtain different creeping lengthes, breakdown voltages and dielectric strengths, respectively. Dielectric strengths of Needle to plane electrodes are more higher than the others. Breakdown voltage and dielectric strength increase as the thickness of epoxy resin and creeping strength increase.