Fault-Tolerant Hybrid Current Control of Dual Three-Phase PMSM With One Phase Open

Hu, Yashan; Feng, Yaojing; Li, Xuefei

doi:10.1109/jestpe.2020.3032668

Cited by 41 publications

(21 citation statements)

References 31 publications

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“…It can be noted that there are some accomplishments that have been achieved for stator OC faults (addressed in Part 2) and not (or barely) for SC faults, which may, therefore, also be tackled for the latter more exhaustively in the next few years. Some of these possibilities include, e.g., control techniques able to provide high postfault performance without fault detection and scheme reconfiguration (reconfiguration-less methods, proposed in [126,280,323,332,[335][336][337][338] for stator OCs and just in [251,265,272] for SCs), or strategies for generating postfault current references with minimum losses at each possible operating point in the full speed-torque range taking the maximum current/voltage values into account in the optimization problem (i.e., FRMLSs, as in [22,170,214,300,308,[313][314][315]319,326,343,344,352,355,356,408] for stator OCs).…”

Section: Concluding Remarks About Stator Sc Faultsmentioning

confidence: 99%

A Comprehensive Survey on Fault Tolerance in Multiphase AC Drives, Part 1: General Overview Considering Multiple Fault Types

et al. 2022

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Multiphase drives offer enhanced fault-tolerant capabilities compared with conventional three-phase ones. Their phase redundancy makes them able to continue running in the event of faults (e.g., open/short-circuits) in certain phases. Moreover, their greater number of degrees of freedom permits improving diagnosis and performance, not only under faults affecting individual phases, but also under those affecting the machine/drive as a whole. That is the case of failures in the dc link, resolver/encoder, control unit, cooling system, etc. Accordingly, multiphase drives are becoming remarkable contenders for applications where high reliability is required, such as electric vehicles and standalone/off-shore generation. Actually, the literature on the subject has grown exponentially in recent years. Various review papers have been published, but none of them currently cover the state-of-the-art in a comprehensive and up-to-date fashion. This two-part paper presents an overview concerning fault tolerance in multiphase drives. Hundreds of citations are classified and critically discussed. Although the emphasis is put on fault tolerance, fault detection/diagnosis is also considered to some extent, because of its importance in fault-tolerant drives. The most important recent advances, emerging trends and open challenges are also identified. Part 1 provides a comprehensive survey considering numerous kinds of faults, whereas Part 2 is focused on phase/switch open-circuit failures.

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Section: Concluding Remarks About Stator Sc Faultsmentioning

confidence: 99%

A Comprehensive Survey on Fault Tolerance in Multiphase AC Drives, Part 1: General Overview Considering Multiple Fault Types

et al. 2022

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“…It is also possible to use modelling with open-circuit faults to achieve different control purposes. In particular, the VSD technique can decouple motor variables in several orthogonal subspaces, thereby controlling them independently [164,[181][182][183][184][185]. Because the VSD technique can decompose the negative-sequence current in the z subspace, the control structure in [185] is greatly simplified, as shown in Figure 37.…”

Section: Fault Tolerance Controlmentioning

confidence: 99%

Advances in Dual-Three-Phase Permanent Magnet Synchronous Machines and Control Techniques

et al. 2021

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Multiphase electrical machines are advantageous for many industrial applications that require a high power rating, smooth torque, power/torque sharing capability, and fault-tolerant capability, compared with conventional single three-phase electrical machines. Consequently, a significant number of studies of multiphase machines has been published in recent years. This paper presents an overview of the recent advances in multiphase permanent magnet synchronous machines (PMSMs) and drive control techniques, with a focus on dual-three-phase PMSMs. It includes an extensive overview of the machine topologies, as well as their modelling methods, pulse-width-modulation techniques, field-oriented control, direct torque control, model predictive control, sensorless control, and fault-tolerant control, together with the newest control strategies for suppressing current harmonics and torque ripples, as well as carrier phase shift techniques, all with worked examples.

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“…The ADTP-SM faulttolerant control includes a maximum torque (MT) mode and a minimum loss (ML) mode. The MT mode is a control method that generates the MT under the same current limit condition to generate the same magnetomotive force (MMF) as in the healthy state [19], [26][27][28]. The ML mode is a method to minimize copper loss during operation.…”

Section: Introductionmentioning

confidence: 99%

“…The ML mode is a method to minimize copper loss during operation. This method constrains the current that does not contribute to the mechanical output to zero [28,29].…”

Section: Introductionmentioning

confidence: 99%

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Hybrid Mode Control of an Asymmetric Dual Three-Phase Synchronous Motor Under Single-Phase Open Fault

et al. 2022

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This paper proposes hybrid mode control for an asymmetric dual three-phase synchronous motor (ADTP-SM) with separated neutral points in a single-phase open-fault situation. The fault-tolerant control is classified into the maximum torque mode and minimum loss mode. For an arbitrary phase with an open fault, the combination of phase currents for operation in each mode is derived by mathematical analysis. In maximum torque mode operation, a rotational coordinate transformation is proposed to minimize the performance variance according to the speed. In minimum loss mode operation, a stationary coordinate transformation is proposed to control the harmonics of the phase currents. This stationary coordinate transformation can be applied to arbitrary-phase open-fault situations. In addition, the performances with and without harmonic control are compared and analyzed, and the smoothness of the mode conversion is also analyzed. The validity of the proposed coordinate transformations is verified through experiments at various speeds.

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Fault-Tolerant Hybrid Current Control of Dual Three-Phase PMSM With One Phase Open

Cited by 41 publications

References 31 publications

A Comprehensive Survey on Fault Tolerance in Multiphase AC Drives, Part 1: General Overview Considering Multiple Fault Types

A Comprehensive Survey on Fault Tolerance in Multiphase AC Drives, Part 1: General Overview Considering Multiple Fault Types

Advances in Dual-Three-Phase Permanent Magnet Synchronous Machines and Control Techniques

Hybrid Mode Control of an Asymmetric Dual Three-Phase Synchronous Motor Under Single-Phase Open Fault

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