Dual Reference Frame Based Current Harmonic Minimization for Dual Three-Phase PMSM Considering Inverter Voltage Limit

Guo, Feng; Lai, Chunyan; Li, Wenlong; Li, Ze; Kar, Narayan C.

doi:10.1109/tpel.2020.3041749

Cited by 30 publications

(20 citation statements)

References 37 publications

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“…In applications where control simplicity is not a priority, it may be preferable to find a better compromise between dc-link utilization and current distortion when addressing problems 1 and 2. Steps in this direction, by suitably reducing the multifrequency voltage references, have been taken for multiphase drives in a few publications so far [134,135,137], which are discussed shortly.…”

Section: Back-calculation Anti-windupmentioning

confidence: 99%

“…Feng et al present a different technique [134] for performing closed-loop multifrequency current control under voltage constraints, also in a six-phase PMSM with asymmetrical WSA. The proposed strategy resembles the preceding two multiphase multifrequency methods [135,137] in the sense that the current references are modified so that the voltage references decrease.…”

Section: Multifrequency Control For Disturbance Compensationmentioning

confidence: 99%

“…This information is then exploited to progressively change the harmonic amplitude using the optimum phase angle. Even though, in [135], the output voltage excess with respect to v dc needs to be continuously monitored while adjusting the harmonics, in [134] v dc is not needed, because the condition of voltage saturation is instead confirmed by checking whether harmonic current increases with the corresponding voltage. However, this method [134] relies on the assumption that reducing the harmonic compensation decreases the degree of voltage saturation, but in reality the opposite may also occur [135,570].…”

Section: Multifrequency Control For Disturbance Compensationmentioning

confidence: 99%

“…Since the machine back-EMF tends to increase with speed, if v dc decreases then the maximum speed and power are reduced as well [141,171]; • If the modulation index increases beyond the linear modulation range, overmodulation occurs. This means that low-order voltage harmonics are introduced, the VSD subspaces become coupled in terms of voltage, and the conventional PWM and control methods are no longer able to work properly [8,9,134,135,[137][138][139]142,143,145,[147][148][149][150][151][152][154][155][156]158,159,167]; • If the VSC ac voltage is reduced, the difference between its magnitude and that of the machine back-EMF may become substantially greater. As a consequence, overcurrent may occur [129,545].…”

mentioning

confidence: 99%

“…This is mainly because, as a consequence of the corresponding low impedance, even small uncompensated voltage disturbances (due to dead times, asymmetries, saturation, back-EMF harmonics, etc.) give rise to large undesired currents [134,135,137,139,487,488,493,494]. Alternative reasons for including multifrequency (multi-subspace) voltages are, e.g., enhancing the torque density by harmonic injection [5][6][7][8][9][10] or driving several machines by a single VSC [2,10,12].…”

mentioning

confidence: 99%

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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: Back-calculation Anti-windupmentioning

confidence: 99%

Section: Multifrequency Control For Disturbance Compensationmentioning

confidence: 99%

Section: Multifrequency Control For Disturbance Compensationmentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

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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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Decoupled and compensated space vector pulse width modulation algorithm for dual‐channel PMSM with unbalanced power supplies

Yu,

Wang,

Wang

et al. 2023

Circuit Theory & Apps

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SummaryThis paper investigates an improved space vector pulse width modulation (SVPWM) and channel‐decoupled method for dual‐channel permanent magnet synchronous machine (PMSM) powered by unbalanced battery packs. Recently, individual power supplied voltage source inverter (VSI) is introduced considering insufficient power rating and unsafe driving in electrical vehicles (EVs). However, the issues of strong coupling and unbalanced power supplies exist between channels. Firstly, a modular topology is constructed to improve the reliability and security of the system. Secondly, the channel‐decoupled method is introduced based on multi‐dq rather than the conventional vector space decomposition (VSD) to eliminate coupling among multi‐channel. Thereafter, the variable distribution of voltage vectors (VVs) is corrected by the proposed SVPWM, where the switch can be operated appropriately. Finally, the comparative experiments are carried out focusing on decoupling and unbalanced power supplies, and the results present superior performance in terms of low torque fluctuation and balanced channel currents.

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An adaptive TS‐fuzzy model based RBF neural network learning for grid integrated photovoltaic applications

Priyadarshi¹,

Sanjeevikumar

Bhaskar

et al. 2022

IET Renewable Power Gen

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In this research work, an adaptive TS‐fuzzy based RBF neural network (ATSFRBFNN) algorithm based maximum power point tracker (MPPT) is employed for grid integrated photovoltaic (PV) system. The novel learning algorithm provides accurate and rapid PV power tracking under fluctuating solar insolation. However, an improved damping circulating current limiting inverter controller is employed to generate gating signal of voltage source inverter and to deliver reduced harmonic constant, less power loss, mitigation of power quality issues regulation of Dc‐link voltage utilization for grid integrated PV system under steady, and transient weather conditions. The experimental results justify the improved system performance under varying operating conditions. The behaviour of novel hybrid PV MPPT structure is compared with TS‐fuzzy, RBFNN, and GA‐RBF for higher tracking efficacy, least tracking deviation, accurate responses, and zero steady‐state power oscillation around MPP region.

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Dual Reference Frame Based Current Harmonic Minimization for Dual Three-Phase PMSM Considering Inverter Voltage Limit

Cited by 30 publications

References 37 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

Decoupled and compensated space vector pulse width modulation algorithm for dual‐channel PMSM with unbalanced power supplies

An adaptive TS‐fuzzy model based RBF neural network learning for grid integrated photovoltaic applications

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