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안해준(Hae-Joon An),김현구(Hyun-Goo Kim),장길수(Gil-Soo Jang),노경수(Kyoung-Soo Ro) 대한전기학회 2009 대한전기학회 학술대회 논문집 Vol.2009 No.7
When introducing the existing distribution system, load and power are mixed for wind power generation to be operated unlike the distribution system. Accordingly, if large scale development facilities such as a wind farm is adopted in concentration, the problems need to be examined and analyzed and security measures need to be taken not to out of voltage range.
안해준(An, Hae-Joon),김현구(Kim, Hyun-Goo),김홍우(Kim, Hong-Woo),장길수(Jang, Gil-Soo) 한국신재생에너지학회 2010 한국신재생에너지학회 학술대회논문집 Vol.2010 No.06
This study performs modelling and simulation of permanent magnetic synchronous generator wind turbine by using Matlab & Simulink. In simulation, change of wind velocity, change of load, and voltage decrease of infinite bus are performed. Through such simulation, different with wiring system that there is only existing load, this study can confirm problems and voltage changing characteristics, which can occur in distributed electric power that load and electric power is mixed and operated, especially, in interconnecting with wind power generation.
안해준(An, Hae-Joon),김현구(Kim, Hyun-Goo),장문석(Jang, Moon-Seok),장길수(Jang, Gil-Soo) 한국신재생에너지학회 2010 한국신재생에너지학회 학술대회논문집 Vol.2010 No.06
This study suggests a modeling of grid-connected wind turbine generation systems and performs simulation according to increase/decrease of real wind speed. MATLAB & SIMULINK implemented modeling of grid-connected wind turbine generation system. Terminal voltage, grid voltage, and active/reactive power shall be observed following the performance of simulation.
풍력발전 계통연계 변압기의 결선에 따른 배전계통의 고장전류에 관한 연구
안해준(An, Hae-Joon),노경수(Ro, Kyoung-Soo),김현구(Kim, Hyun-Goo) 한국신재생에너지학회 2007 한국신재생에너지학회 학술대회논문집 Vol.2007 No.11
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 by the transformer winding connection. This study is implemented by matlab&simulink. The simulation shall be performed by assuming single line to ground fault generated in the system. Generator power, generator rotor speed, generator terminal current and fault current shall be observed following the performance of simulation. The fault current change will be dealt through the simulation results for fault current of wind generation system following the grid-connected transformer winding connection and the simulation result by the transformer neutral ground method.
MATLAB/Simulink를 이용한 계통연계 풍력발전 시스템 모델링 및 시뮬레이션
안해준(An, Hae-Joon),김현구(Kim, Hyun-Goo),장길수(Jang, Gil-Soo),장문석(Jang, Moon-Seok),고석환(Ko, Seok-Whan) 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.10
This study suggests a modeling of grid-connected wind turbine generation systems and performs simulation according to increase/decrease of real wind speed. MATLAB/Simulink implemented modeling of grid-connected wind turbine generation system. Terminal voltage, grid voltage, and active/reactive power shall be observed following the performance of simulation.
MATLAB & SIMULINK에서 풍력발전 계통연계 변압기결선과 고장전류와의 관계
안해준(An, Hae-Joon),김현구(Kim, Hyun-Goo),장길수(Jang, Gil-Soo) 한국신재생에너지학회 2008 한국신재생에너지학회 학술대회논문집 Vol.2008 No.10
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 by the transformer winding connection. This study is implemented by matlab&simulink. The simulation shall be performed by assuming single line to ground fault generated in the system. Generator power, generator rotor speed, generator terminal current and fault current shall be observed following the performance of simulation. The fault current change will be dealt through the simulation results for fault current of wind generation system following the grid-connected transformer winding connection and the simulation result by the transformer neutral ground method.
복합발전 풍력-디젤 하이브리드 시스템 설치 지역의 전력품질 분석
안해준(An, Hae-Joon),김현구(Kim, Hyun-Goo),김석우(Kim, Seok-Woo),고석환(Ko, Seok-Whan),장길수(Jang, Gil-Soo) 한국신재생에너지학회 2009 한국신재생에너지학회 학술대회논문집 Vol.2009 No.06
A severely cold weather condition of King Sejong Station, Antarctica becomes a very severe condition for an installation/operation of wind generation system. When the existing wind generation system works, it may cause a damage and destruction of wind generation system and can bring about big problems in terms of the power quality. Accordingly, it is essential to obtain technologies for the installation and operation of small wind generation system for the polar region's wind generation, and to assess and demonstrate the performance in the severely-cold environment and the polar wind generation system's development, supplementation, alteration. Also, as the available power of King Sejong Station, Antarctica, the diesel generator has been mainly used, and the wind generator has been used in the hybrid form. Wind generation and diesel generation has the different load following control each other. In the wind generation, the generated power very rapidly changes according to the change of the velocity of the wind. On the other hand, the diesel generation shows very gentle change in the velocity of output. Therefore, the study is intended to analyze the 10kw small wind generator-diesel generator's power quality of King Sejong Station, Antarctica, which is the hybrid system installation area.
영구자석 동기형 풍력발전시스템의 전압변동 특성해석에 대한 연구
안해준(Hae-Joon An),김홍우(Hong-Woo Kim),김현구(Hyun-Goo Kim),주영철(Young-Chul Joo),장문석(Moon-Seok Jang),장길수(Gil-Soo Jang) 대한전기학회 2010 대한전기학회 학술대회 논문집 Vol.2010 No.7
This study performs modelling and simulation of permanent magnetic synchronous generator wind turbine by using Matlab & Simulink. In simulation, change of wind velocity, change of load, and voltage decrease of infinite bus are performed. Through such simulation, different with wiring system that there is only existing load, this study can confirm problems and voltage changing characteristics, which can occur in distributed electric power that load and electric power is mixed and operated, especially, in interconnecting with wind power generation.