Post -Fault Compensation Control Strategy for Multi-Three-Phase PMSM under Open-Circuit and Short-Circuit Condition

Rahman, Azlia A.; Galassini, A.; Degano, M.; Abbas, H.; Bozhko, S.

Abstract

This paper presents two post-fault compensation strategies for the distributed current control of a nine-phase Permanent-Magnet Synchronous Machine (PMSM). The dynamic performance in faulty condition is guaranteed by keeping the current loop bandwidths constant. The two faults under investigation are Open-Circuit (OC) and Short-Circuit (SC) of one set of the three-phase windings. The decoupled mathematical model of the machine in post-fault conditions are derived prior to the control strategies are designed. The Vector Space Decomposition (VSD) is used and the design for the controllers is revised. While short-circuiting one set of three-phase windings, in order to eliminate different electro-magnetic interactions, different lag compensators for different healthy modules are introduced. The proposed post-fault control strategies are compared against the step response in nominal condition and further validated by means of Matlab/Simulink® simulations, where three Two-Level Three-Phase Voltage Source Inverters (2L-3P-VSIs) are used to supply the machine.

Citation

Rahman, A. A., Galassini, A., Degano, M., Abbas, H., & Bozhko, S. (2019). Post -Fault Compensation Control Strategy for Multi-Three-Phase PMSM under Open-Circuit and Short-Circuit Condition. In Proceedings - 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD) (121-127). https://doi.org/10.1109/WEMDCD.2019.8887854

• Conference Name: 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)
• Conference Location: Athens, Greece
• Start Date: Apr 22, 2019
• End Date: Apr 23, 2019
• Acceptance Date: Apr 5, 2019
• Online Publication Date: Oct 31, 2019
• Publication Date: 2019-04
• Deposit Date: Mar 3, 2020
• Publicly Available Date: Mar 4, 2020
• Publisher: Institute of Electrical and Electronics Engineers
• Pages: 121-127
• Book Title: Proceedings - 2019 IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD)
• ISBN: 978-1-5386-8108-4
• DOI: https://doi.org/10.1109/WEMDCD.2019.8887854
• Public URL: https://nottingham-repository.worktribe.com/output/4084335
• Publisher URL: https://ieeexplore.ieee.org/document/8887854
• Additional Information: © 2019 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works.