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Simulation Analysis of the 5-Leg Inverter for a Fault-Tolerant Dual-Motor Drive System
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| Author(s) |
Mustapha AL SAKKA, Thomas GEURY, Mohamed EL BAGHDADI, Miguel DHAENS, Monzer AL SAKKA, Omar HEGAZY |
| Abstract |
This paper presents a compact, cost-effective, and reliable fault tolerant dual-motor drive solution utilising the 5-leg inverter topology. A simple PI-based field weakening control scheme allowing simultaneous and correlated control of both motors is proposed. This enhances the voltage limitations of the 5-leg inverter and extends the speed range of the motors. Additionally, A system-level short-circuit detection method and a fault localisation algorithm are proposed. These methods reduce the size and complexity of the drive and improve its reliability. The system is modelled using physical system models in Simulink/Simscape. Different scenarios are analysed verifying the performance of the field weakening control and the effectiveness of the fault-tolerant control. Preliminary experimental results are included validating the proposed ideas. |
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| Filename: | 0375-epe2023-full-19294961.pdf |
| Filesize: | 1.707 MB |
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| Type |
Members Only |
| Date |
Last modified 2023-09-24 by System |
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