Journal Article10.1109/TEC.2015.2486521
Controllability and Performance of a Nine-Phase FSPM Motor Under Severe Five Open-Phase Fault Conditions
Feng Yu,Ming Cheng,K. T. Chau +2 more
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TL;DR: In this article, a fault-tolerant controllability for a nine-phase flux-switching permanent magnet (NP-FSPM) machine under severe five open-phase fault is presented.
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Abstract: Fault-tolerant controllability for a nine-phase flux-switching permanent magnet (NP-FSPM) machine under severe five open-phase fault is presented in this paper. First, combinations of additional degrees of freedom are derived to prove the high fault tolerance in the nine-phase drive system. Second, angles between the adjacent healthy phases are used to categorize the five open-phase fault cases, and stator-flux-oriented fault-tolerant control with harmonic current injection is developed to ensure the disturbance-free operation of the NP-FSPM machine drive. The main contribution is the investigation on the effect of the reconstructed harmonic current components on the machine phase currents and the dynamic performance under various switch transients. Also, some practical hints are given for implementation, such as the control degree of freedom, drive derating, and current control scheme. Experimental results are presented to validate the effectiveness of the sinusoidal current excitation and the high dynamic performance of the NP-FSPM machine drive system.
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Citations
A review of drive techniques for multiphase machines
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TL;DR: This paper overviews the development history of multiphase machines and drive techniques, and two types of fault-tolerant methods are compared, which are the Vector Space Decomposition (VSD) strategy and Optimal Current Control (OCC) method.
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TL;DR: This paper will review research work on PM fault-tolerant machines up-to-date, including modular design, short-circuit current limitation design, redundant design, ease of thermal dissipation of PM design, and torque enhancement design techniques.
Model Predictive Current Control of Open-Circuit Fault-Tolerant Five-Phase Flux-Switching Permanent Magnet Motor Drives
TL;DR: Comparative experimental studies show that the MPCC strategy with SCS and DCO can improve both the transient and steady-state performances of the fault-tolerant drive.
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Multivector-Based Model Predictive Control With Geometric Solution of a Five-Phase Flux-Switching Permanent Magnet Motor
TL;DR: The improved multi-vector-based MPCC (MV-MPCC) method with geometric solution employs the desired voltage to quickly determine the voltage vectors and the corresponding duty ratio, which not only alleviates computational burden but also favors for more intuitive implementation.
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Space-Vector-Optimized Predictive Control for Dual Three-Phase PMSM With Quick Current Response
TL;DR: In this article, the authors proposed a space vector optimization for model predictive control of dual three-phase permanent magnet synchronous machine (DTP-PMSM), which aims to restrain the current harmonics under the condition of low inductance.
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