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Investigation of Energy Conversion Loop of SRGs in High-Speed Operation Using Simplified Mathematical Model


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DOI: https://doi.org/10.15866/iree.v17i4.21416

Abstract


The output capability of Switched Reluctance Generators (SRGs) obviously depends on the available area of the i-ψ diagram. This paper presents a simplified mathematical model to investigate the energy conversion loop of SRGs in high-speed operation. This model is in terms of control variables, which have been applied from a nonlinear magnetization curve. Control variables of the model consist of the dc bus voltage, shaft speed, and excitation angles (turn-on and turn-off angles). An analysis method to determine optimal control variables for the maximum energy conversion loop is presented. The proposed method has been examined by the 4-phase 8/6 SRG, controlled by dSPACE DS1202 controller. The excitation angles for the maximum energy conversion loop can be determined from the ratio of dc bus voltage and shaft speed. The validity of the proposed method has been confirmed by the results of the simulation and experiment.
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Keywords


Simplified Mathematical Model; Energy Conversion Loop; dSPACE DS1202 Controller; Investigation; High-Speed Operation; i-ψ Diagram

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References


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