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실제 기상상태를 이용한 풍력발전 시스템 simulator 개발에 관한 연구 원문보기
(A) Study on the Development of Wind Power Generation System Simulator using real weather conditions

  • 저자

    한상근

  • 학위수여기관

    昌原大學校 大學院

  • 학위구분

    국내석사

  • 학과

    전기공학과

  • 지도교수

  • 발행년도

    2003

  • 총페이지

    32p.

  • 키워드

    기상상태 풍력발전 시스템 simulator 대체 에너지;

  • 언어

    kor

  • 원문 URL

    http://www.riss.kr/link?id=T9471515&outLink=K  

  • 초록

    This paper proposes a novel simulation method of WPGS(Wind Power Generation System). The rotation speed control method of turbine under variable wind speed using the pitch control is proposed. Moreover, when wind speed exceeds the cut-out wind speed, the turbine will be stopped by controlling pitch angle to 90˚, otherwise it will be controlled to steady-state operation. For the purpose of effective simulation, the SWRW(Simulation method for WPGS using Real Weather condition) is used for the utility interactive WPGS simulation in this paper, in which those of three topics for the WPGS simulation: user-friendly method, applicability to grid-connection and the utilization of the real weather conditions, are satisfied. It is impossible to consider the real weather conditions in the WPGS simulation using the EMTP type of simulators and PSPICE, etc. External parameter of the real weather conditions is necessary to ensure the simulation accuracy. The simulation of the WPGS using the real weather conditions including components modeling of wind turbine system is achieved by introducing the interface method of a non-linear external parameter and FORTRAN using PSCAD/EMTDC in this paper. The simulation of long-term, short-term, over cut-out wind speed and under cut-out wind speed will be performed by the proposed simulation method effectively. The efficiency of wind power generator, power converter and flow of energy are analyzed by wind speed of the long-term simulation. The generator output and current supplied into utility can be obtained by the short-term simulation. Finally, transient-state of the WPGS can be analyzed by the simulation results of over cut-out wind speed and under cut-out wind speed, respectively.


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