Hybrid Nonlinear State-Space Modeling Approach for a Dual Armature Generator

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ID: 266353
2021
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Abstract
A novel hybrid state space modeling approach for a dual armature generator is presented. The model uses finite element analysis to obtain the rotor angle-dependent parameters, namely the flux linkage, stator inductances and cogging torque, which are then incorporated into the dynamic equations of the hybrid model using Fourier representations of the physical parameters as function of the rotor angle. The proposed hybrid model addresses many of the limitations of the classical modeling approach, which uses analytical expressions to obtain flux linkage and stator inductances based on significant simplifications. The proposed model is verified experimentally by simulating the dynamics of a three-phase permanent magnet generator. Predictions based on the new hybrid model are compared to both experimental measurements and predictions based on the classic modeling approach. It is shown that the proposed hybrid model simulates the dynamics of the demonstration machine to within 7% peak error in the stator current and provides a 13% improvement to the prediction of the rotor velocity compared with the classic model.
Reference Key
fernando2021electronicshybrid Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Thilina Fernando;Qin Zhou;Hector M. Gutierrez;Fernando, Thilina;Zhou, Qin;Gutierrez, Hector M.;
Journal Electronics
Year 2021
DOI
10.3390/electronics10121401
URL
https://www.mdpi.com/2079-9292/10/12/1401
Keywords
finite element analysis flux linkage stator inductance cogging torque dual armature generator

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