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고석환(Ko Seok-Whan),장문석(Jang Moon-Seok),이윤섭(Lee Youn-Seop) 한국태양에너지학회 2009 한국태양에너지학회 학술대회논문집 Vol.- No.-
Wind monitoring system is an absolutely-required system for assessing a performance and fatigue load of the wind energy generator in an on-shore wind energy experimental research complex. It was implemented for the purpose of monitoring the wind information measured from a meteorological tower at the monitoring house and of utilizing the measured data for the performance assessment, by using the LabVIEW program. Then, by adding the performance assessment-related data acquired from the wind energy generator during the performance assessment and the data recorder for synchronizing the data of meteorological tower, the system was implemented. Because it transmitted the data by converting the output 'RS-232' of data logger which measures the wind condition into CAN protocol, the data error rate was minimized, This paper is intended to explain the developed wind data monitoring system.
LabView를 이용한 풍력발전 성능평가용 모니터링 시스템 개발
고석환(Ko Seok-Whan),장문석(Jang Moon-Seok),주영철(Ju Young-Chul),이윤섭(Lee Yoon-Sub) 한국태양에너지학회 2009 한국태양에너지학회 논문집 Vol.29 No.6
Monitoring system is an absolutely-required system for assessing a performance and fatigue load of the wind turbine in an on-shore wind energy experimental research complex. It was implemented for the purpose of monitoring the wind information measured from a meteorological tower at the monitoring house, and of utilizing the measured data(fatigue data and electric analyzing data of wind turbine)for the performance assessment, by using the LabVIEW program. Then, by adding the performance assessment-related data acquired from the wind turbine during the performance assessment and the data recorder for synchronizing the data of meteorological tower, the system(BusDAQ) was implemented. Because it transmitted the data by converting the output 'RS-232' of data logger which measures the wind condition into CAN protocol, the data error rate was minimized. Also, This paper is introduced to make the best use of the developed monitoring system and to explain about construct of the system and detailed data communication of its system.
고석환(Ko, Seok-Whan),주영철(Ju, Young-Chul),장문석(Jang, Moon-Seok) 한국태양에너지학회 2012 한국태양에너지학회 학술대회논문집 Vol.2012 No.11
The measurement of wind resource is very important during the power performance test for wind turbine and the economical feasibility study for wind farm. In this paper, we carried out an analysis for shading effect of 80 meter triangular lattice meterological mast. Total measuring data sets were used. According to result for analysis, the ratio of wind speed(between zone under shading effect and zone under no shading effect of mast) is approximately doped 40% in azimuth of case and in azimuth of specified, is raised 10%.
고석환(Ko Seok-Whan),김석우(Kim Seok-Woo),이윤섭(Lee Youn-Seop) 한국태양에너지학회 2009 한국태양에너지학회 학술대회논문집 Vol.- No.-
Antarctic King Sejong Station was established in King George Island, the South Pole in 1988, and has been executing the monitoring studies on the change of antarctic natural environment. As an available power, the wind energy generator has been used in the form of hybrid with mainly diesel generator. Because the wind generation power sharply changes by wind energy, it must be careful during the system operation. When the power system becomes stable, the output performance of wind energy generator becomes stable. But, in case of unstable system, the errors frequently occur on the wind energy generator and it badly impacts the power system by output of wind energy generator. The purpose of this paper is to analyze suitability while operating the system of 10kW wind energy generator at Antarctic King Sejong Station, an isolated area, and to analyze the problem and improvements by power quality.
정속도 유도형 풍력발전기의 계통연계 운전 중 계통사고 발생에 대한 시뮬레이션
고석환(Seok-Whan Ko),장문석(Moon-Seok Jang) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
This study suggests a modeling of grid-connected wind turbine generation system that has induction generator, and aims to perform simulations for outputs by the variation of actual wind speed and for fault current of wind generation system. MATLAB & SIMULINK implemented modeling of grid-connected wind turbine generation system.
고석환(Ko,Suk-Whan),장문석(Jang,Moon-Seok),박종포(Park,Jong-Po),이윤섭(Lee,Yoon-Sub) 한국태양에너지학회 2011 한국태양에너지학회 논문집 Vol.31 No.4
We are carried out power performance testing for 3㎿ wind turbine system at Je-ju wind turbine testing Site and analyzed measured data which was stored through monitoring system. In this paper, we described the power performance testing results and analyzed an uncertainty of measured data sets. The power curve with measured power data is closely coincide with designed power curve except for the low wind speed sections(4m/s ~ 7m/s) and the annual energy production which is given Rayleigh distribution was included with 1.5 ~ 5.9% of uncertainty in the wind speed region as 4 ~ 11m/s. Although the deviation of curve between measured power and designed power is high, the difference of annual energy production is low in the low wind speed region.