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풍력터빈시뮬레이터와 매트릭스 컨버터를 적용한 PMSG 풍력발전 시스템 모델 개발
윤동진(Dong-Jin Yun),한병문(Byung-Moon Han),차한주(Han-Ju Cha),이옥용(Yulong Li),최남섭(Nam-sup Choi) 대한전기학회 2009 전기학회논문지 Vol.58 No.6
This paper describes a scaled model development of PMSG wind power system using wind turbine simulator and matrix converter. The wind turbine simulator, which consists of an induction motor with vector drive, calculates the output torque of a specific wind turbine using simulation software and sends the torque signal to the vector drive after scaling down the calculated value. The operational feasibility of interconnected PMSG system with matrix converter was verified by computer simulations with PSCAD/EMTDC software. The feasibility of hardware implementation was conformed by experimental works with a laboratory scaled-model of wind power system. The simulation and experimental results confirm that matrix converter can be effectively applied for the PMSG wind power system.
직류송전 적용을 위한 18-스텝 Back-to-Back 전압원 컨버터에 관한 연구
이혜연(Hye-Yeon Lee),이지헌(Ji-Heon Lee),한병문(Byung-Moon Han),이옥용(Yulong Li),최남섭(Nam-sup Choi) 대한전기학회 2009 전기학회논문지 Vol.58 No.4
This paper proposes a 18-step back-to-back voltage source converter using four sets of 3-Level converter module with auxiliary circuit to increase the number of steps. The proposed back-to-back voltage source converter has an independent control capability of active power and reactive power at the interconnected ac system. The operational feasibility of proposed system was verified through computer simulations with PSCAD/EMTDC software. The feasibility of hardware implementation was verified through experimental results with a scaled hardware model. The proposed back-to-back converter can be widely applied for interconnecting the renewable energy source to the power grid.