Component-Oriented Modeling Method for Real-Time Simulation of Power Systems

Zhao Jin (), Jie Zhang, Shuyuan Wang and Bingda Zhang
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Zhao Jin: The Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Jie Zhang: NR Electric Co., Ltd., Nanjing 211102, China
Shuyuan Wang: The Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China
Bingda Zhang: The Key Laboratory of Smart Grid of Ministry of Education, Tianjin University, Tianjin 300072, China

Energies, 2023, vol. 16, issue 6, 1-19

Abstract: This paper proposes a component-oriented modeling method for power system simulation, which optimizes the modeling process of the FPGA-based real-time digital simulator (FRTDS) to enhance its computational efficiency. In this paper, a component modeling method for various types of elements in the power system is presented, which makes the modeling process in FRTDS more user-friendly and highly scalable. By applying the concepts of combination and reconstruction of components to electrical components, the component-oriented modeling method becomes better suited for combined elements with fixed connection modes and elements that require online model replacement in the power system. Utilizing the characteristics of component-oriented modeling, the variable declaration structure and node elimination strategy in the simulation script are optimized, enabling the simulation script to fit better with the hardware structure of FRTDS. Additionally, a substation is simulated in FRTDS with a simulation step size of 50 µs, thus verifying the correctness of the component-oriented modeling method and its ability to improve the computational power of FRTDS.

Keywords: real-time simulation; component-oriented; reconstruction technology; simulation modeling; node elimination strategy (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2023
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