Post-fault operation of an asymmetrical six-phase induction machine with single and two isolated neutral points

S., H.; Durán, Mario J.; Levi, E.; Jones, M.; Hew, W.P.; Rahim, N.A.

doi:10.1109/ecce.2013.6646832

Cited by 29 publications

(28 citation statements)

References 26 publications

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“…As the stator d1-q1 current components are required for the flux/torque control in the NP-FSPM motor, another three pairs of stator harmonic current components (the third, the fifth and the seventh), regarded as additional degree of freedom (ADF), can be effectively utilized for an appropriate post-fault operating strategy. It should be noted that the ADFs have been used to deal with open-circuit fault in multiphase machines for various specific aims, such as minimum loss or maximum torque output [21][22][23]. However, there is no evidence that fault-tolerant controllability has ever been attempted before by dispensing with these additional degrees of freedom.…”

Section: Reconstruction Of Harmonic Current Components During Post-famentioning

confidence: 99%

Control and Performance Evaluation of Multiphase FSPM Motor in Low-Speed Region for Hybrid Electric Vehicles

Cheng

Chau

et al. 2015

Energies

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Abstract:The flux-switching permanent-magnet (FSPM) motor has been viewed as a highly reliable machine with both armature windings and magnets on the stator. Owing to the high torque-production capability with low torque ripple, FSPM motors with a higher number of phases are potential candidates for traction applications in hybrid electric vehicles (HEVs). However, existing research has mostly focused on the principles and static performance of multiphase FSPM motors, and little attention has been paid to advanced control strategies. In this paper, the fully decoupled current control of a 36/34-pole nine-phase FSPM (NP-FSPM) motor is developed and the performance under different operating conditions is investigated. The aim of the design is to alleviate cross coupling effects and unwanted low-order stator harmonic currents, to guarantee fast transient response and small steady-state error. In addition, its fault-tolerance is further elaborated. These features are very important in automotive applications where low torque pulsation, high fault-tolerant capability and high dynamic performance are of major importance. Firstly, the research status of multiphase FSPM motors is briefly reviewed. Secondly, the mathematical model in the dq reference frames and control strategies are presented. Then, the control and performance of the NP-FSPM motor are evaluated by using MATLAB/Simulink. Finally, experiments on an NP-FSPM motor prototype are carried out to validate the study. OPEN ACCESSEnergies 2015, 8 10336

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Section: Reconstruction Of Harmonic Current Components During Post-famentioning

confidence: 99%

Control and Performance Evaluation of Multiphase FSPM Motor in Low-Speed Region for Hybrid Electric Vehicles

Cheng

Chau

et al. 2015

Energies

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show abstract

“…For this reason, the topology shown in Fig. 1, whose post-fault operation under open-phase faults has been already validated [20], has been selected in this work. This topology is formed by an asymmetrical six-phase IM fed by two voltage source converters (VSCs) that are connected to a single dc-link.…”

Section: A Topology Descriptionmentioning

confidence: 99%

“…The fault management in a drive can be classified in three stages: fault detection FD [13][14][15][16][17], fault isolation FI [18][19] and implementation of a fault tolerant control (FTC) [20][21][22][23][24][25]. The implementation of these three stages in the system is necessary to ensure a suitable operation and to protect the system in post-fault situation.…”

Section: Introductionmentioning

confidence: 99%

An Open-phase Fault Detection Method for Six-phase Induction Motor Drives

Rios-Garcia¹,

Durán²,

González-Prieto³

et al. 2024

RE&PQJ

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“…Nevertheless, the most popular configurations are the symmetrical type (S6) and the asymmetrical type with a spatial displacement of 30º (A6) [18]. In addition the three kind of machines can be configured either with single or two neutrals points [6].…”

Section: Introductionmentioning

confidence: 99%

“…Apart from the well-known fault tolerant capability [6][7][8][9][10], some other innovative uses of the additional degrees of freedom have appeared in recent times [11][12][13].…”

Section: Introductionmentioning

confidence: 99%

Analysis of the Power Quality in Six-phase Induction Motor Drives with Arbitrary Winding Spatial Shifting

Aciego¹,

Durán²,

González-Prieto³

et al. 2024

RE&PQJ

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Abstract. Multiphase machines are becoming analternative to the three-phase standard in high power applications with high reliability requirements. Due to the capability to inherit off-the-shelf three-phase technology, the most popular choice at industry is the use of multiple threephase windings. The disposition of the different sets of threephase winding is however varied. In the specific case of sixphase machine, a spatial shifting among the three-phase windings of 0º, 30º and 60º has been used in dual-three-phase, asymmetrical and symmetrical machines, respectively. This spatial displacement has an impact on the power quality of the currents that supply the machine since the same magnetomotive force (MMF) in the airgap can be generated with different harmonic cancellation between phases. This work considers an arbitrary spatial shifting of the threephase windings in order to explore its impact on the power quality from the machine-side. Extensive simulation results compared the different types of six-phase machine and some conclusions are extracted about the advantages of each choice.

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Post-fault operation of an asymmetrical six-phase induction machine with single and two isolated neutral points

Abstract: -

Cited by 29 publications

References 26 publications

Control and Performance Evaluation of Multiphase FSPM Motor in Low-Speed Region for Hybrid Electric Vehicles

Control and Performance Evaluation of Multiphase FSPM Motor in Low-Speed Region for Hybrid Electric Vehicles

An Open-phase Fault Detection Method for Six-phase Induction Motor Drives

Analysis of the Power Quality in Six-phase Induction Motor Drives with Arbitrary Winding Spatial Shifting

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