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Mathematical Modeling of the Dynamics of Linear Electrical Systems with Parallel Calculations

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  • Sławomir Cieślik

    (Faculty of Telecommunications, Computer Science and Electrical Engineering, UTP University of Science and Technology, 85-796 Bydgoszcz, Poland)

Abstract

The dynamics of power systems is often analyzed using real-time simulators. The basic requirements of these simulators are the speed of obtaining the results and their accuracy. Known algorithms (backward Euler or trapezoidal rule) used in real-time simulations force the integration time step to be reduced to obtain the appropriate accuracy, which extends the time of obtaining the results. The acceleration of obtaining the results is achieved by using parallel calculations. The paper presents an algorithm for mathematical modeling of the dynamics of linear electrical systems, which works stably with a relatively large integration time step and with accuracy much better than other algorithms widely described in the literature. The algorithm takes into account the possibility of using parallel calculations. The proposed algorithm combines the advantages of known methods used in the analysis of electrical circuits, such as nodal analysis, multi-terminal electrical component theory, and transient states analysis methods. However, the main advantage over other algorithms is the use of the method based on average voltages in the integration step (AVIS method). The attention was focused on the presentation of the scientifically acceptable general principle offered to mathematical modeling of dynamics of linear electrical systems with parallel computations. However, the evidence of its effective application in the analysis of the dynamics of electric power and electromechanical systems was indicated in the works carried out by the team of authors from the Institute of Electrical Engineering UTP University of Science and Technology in Bydgoszcz (Poland).

Suggested Citation

  • Sławomir Cieślik, 2021. "Mathematical Modeling of the Dynamics of Linear Electrical Systems with Parallel Calculations," Energies, MDPI, vol. 14(10), pages 1-23, May.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:10:p:2930-:d:557484
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    References listed on IDEAS

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    1. Leonel Estrada & Nimrod Vázquez & Joaquín Vaquero & Ángel de Castro & Jaime Arau, 2020. "Real-Time Hardware in the Loop Simulation Methodology for Power Converters Using LabVIEW FPGA," Energies, MDPI, vol. 13(2), pages 1-19, January.
    2. Omelyan Plakhtyna & Andriy Kutsyk & Mykola Semeniuk, 2020. "Real-Time Models of Electromechanical Power Systems, Based on the Method of Average Voltages in Integration Step and Their Computer Application," Energies, MDPI, vol. 13(9), pages 1-14, May.
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