The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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Performance Comparison of Different Solar Array Simulator Control by Ellipse Approximation

태양광패널 모사장치의 제어방식에 따른 소신호 특성 비교 분석

  • Wellawatta, Thusitha (School of Electrical Engineering, University of Ulsan) ;
  • Seo, Young-Tae (Automotive System Verification Dept., HEV System Analysis Team. SureSoftTech) ;
  • Choi, Sung-Jin (School of Electrical Engineering, University of Ulsan)
  • Received : 2020.06.23
  • Accepted : 2020.09.29
  • Published : 2021.02.20
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Abstract

Solar array simulator (SAS) is essential equipment in testing and evaluating the power processing performance of a power conditioning system. However, the nonlinearity in the current(I)-voltage(V) characteristic makes the control loop design of SAS a challenging task. Conventionally, only the inner loop is usually considered in the control design approach. However, this study proves that the reference generation loop also interacts with the inner loop and plays a key role in the overall performance of the SAS. In this paper, the performance of voltage-mode control and impedance control, which are two of the most popular architectures for the SAS system, are reviewed and compared by multi-loop analysis.

Keywords

Acknowledgement

이 논문은 2020년도 정부(과학기술정보통신부)의 재원으로 한국연구재단의 지원을 받아 수행된 연구사업임. (No. 2020R1A2C2009303)

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