Abstract
For electrified transportation (eTransportation) systems, multi-phase motors can provide higher performance and reliability than three-phase ones, but also bring more challenges in their optimal design and control. In this article, a set of high reliable electric drive system based on dual three-phase permanent magnet synchronous motor (DTP PMSM) is developed for auxiliary systems in eTransportation field. A digital collaborative develop process is proposed with the support of multiple software tools. Design, manufacture, and bench testing stages of the DTP PMSM, the two-level six-phase inverter, and the control algorithm are efficiently incorporated. A prototype of the multi-phase electric drive system is fabricated and tested. Comparison of the simulation analysis and experimental results confirms the effectiveness of the collaborative develop progress. Control algorithms based on dual d-q model and vector space decomposition model are both verified and compared via the bench test. Operation mode switching from six-phase mode to three-phase mode is also realized with the prototype system, verifying its capability in fault-tolerant and potential in efficiency optimizing.
Highlights
Transportation electrification is bringing a worldwide technical revolution during the past decades, benefitting from its environmental friendliness, high energy efficiency, and good propulsion performance [1], [2]
In this article, a 6kW DTP PMSM system has been developed for driving auxiliary systems in eTransportation application
Digital collaborative develop process was proposed with the support of multiple software tools
Summary
Transportation electrification is bringing a worldwide technical revolution during the past decades, benefitting from its environmental friendliness, high energy efficiency, and good propulsion performance [1], [2]. Electric transportation systems such as electric vehicles (EVs), more/all electric aircrafts and electric ships, are gaining more and more attentions from engineers and researchers all over the world [3]. Authors in [8] combined hybrid energy storage system with dual three-phase permanent magnet synchronous motor (DTP PMSM), achieving simplified powertrain and good performance for an EV.
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