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태양광모듈과 리튬이온전지를 이용한 가동보용 친환경 전원공급장치의 설계 및 구현
강민관(Min-Kwan Kang),최성식(Sung-Sik Choi),남양현(Yang-Hyeon Nam),이후동(Hu-Dong Lee),박지현(Ji-Hyun Park),노대석(Dae-Seok Rho) 대한전기학회 2018 전기학회논문지 Vol.67 No.2
Generally, it is difficult to operate moveable-weir due to the expensive cost of the facility management and manpower consumption. Also, when it is installed in a remote area, there is a problem that the cost of connection for power system increases as well as the operating cost. Therefore, this paper proposes an optimal design algorithm to replace an existing power system with an Eco-friendly power supply system for movable-weir using PCS, PV module and lithium-ion battery. Also, this paper proposes a modeling method of environment-friendly power supply system for a movable-weir based on the PSCAD/EMTDC S/W and implements 5[kW] prototype environment-friendly power supply system. As a result of the performance test using the S/W modeling and the prototype system, it is confirmed that the proposed system has stable characteristics in the independent operation mode and the interconnection mode.
PSCAD/EMTDC를 이용한 MW급 ESS용 성능평가설비 모델링 방안에 관한 연구
강민관(Min-Kwan Kang),최성식(Sung-Sik Choi),박재범(Jae-Beom Park),남양현(Yang-Hyeon Nam),김응상(Eung-Sang Kim),노대석(Dae-Seok Rho) 대한전기학회 2017 전기학회논문지 Vol.66 No.6
The energy storage system(ESS) is a core component for exchanging the power system structure of the unidirectional power flow into a bidirectional structure. Its important role has been increasing because it has multiple functions such as output stabilization of new renewable energy, demand management, frequency regulation, etc. However, the performance evaluation technology of ESS in korea is lower than one of advanced countries and the recognition of standardization is also lack compared to advanced countries. Furthermore, in order to more accurately and reliably validate the performance of the ESS in advanced countries, it has been required to perform not only performance testing by H/W devices but also performance verification by S/W tool. Therefore, in order to verify the performance testing of ESS by S/W tool, this paper proposes the modeling method of performance testing devices for MW scaled ESS by using the PSCAD/EMTDC S/W, based on real testing devices in domestic institute. From the simulation results of proposed modeling method, it is confirmed that the proposed modeling method is a useful tool for performance validation of ESS.