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Dynamic Modeling of an Interior Permanent Magnet Machine with Space-Vector-Modulation-Based Voltage Source Inverter

Journal Article
2020-01-0469
ISSN: 2641-9645, e-ISSN: 2641-9645
DOI: https://doi.org/10.4271/2020-01-0469
Published April 14, 2020 by SAE International in United States
Dynamic Modeling of an Interior Permanent Magnet Machine with Space-Vector-Modulation-Based Voltage Source Inverter
Sector:
Citation: Li, Y., Howey, B., Liang, J., Sayed, E. et al., "Dynamic Modeling of an Interior Permanent Magnet Machine with Space-Vector-Modulation-Based Voltage Source Inverter," SAE Int. J. Adv. & Curr. Prac. in Mobility 2(6):3189-3196, 2020, https://doi.org/10.4271/2020-01-0469.
Language: English

Abstract:

This paper presents a dynamic model for an interior permanent magnet (IPM) machine with a space-vector-modulation-based voltage source inverter. The dynamic model considers spatial harmonics, cross-coupling and magnetic saturation. In order to include the nonlinear electromagnetic characteristics of the IPM machine, the dynamic model is built based on the current-flux look-up tables obtained from finite element analysis (FEA). The model is co-simulated with the drive system, which considers the effects of the modulation technique and the switching frequency. The dynamic performance of a 60/8 IPM machine is analyzed using the dynamic model at different operating conditions and then validated with the torque waveforms obtained from FEA. The results show that dynamic performance can be analyzed accurately and more quickly using the dynamic model presented in this paper.

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