Dual-Plane Vector Control of a Five-Phase Induction Machine for an Improved Flux Pattern

Zheng, Libo; Fletcher, John; Williams, B.W.; He, Xiangning

doi:10.1109/tie.2008.918464

Cited by 121 publications

(8 citation statements)

References 17 publications

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“…In addition, given the limited volume dedicated to the propeller, the propulsion must have a high compactness. Multiphase machines have the ability to satisfy these requirements, while providing other benefits: low torque ripple, the ability to produce a significant torque using high order harmonic injection to enhance torque density [1][2][3][4][5][6] and reducing the current per phase by splitting the same power over a greater number of phases reducing the constraints on power electronics [7]. Regarding the machine design, two important criteria must be adapted to obtain the desired performance for multiphase machine: winding distribution and the geometry of permanent magnet layer.…”

mentioning

confidence: 99%

Five-Phase Version of 12Slots/8Poles Three-Phase Synchronous Machine for Marine-Propulsion

Zahr

Semail

Scuiller

2014

2014 IEEE Vehicle Power and Propulsion Conference (VPPC)

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mentioning

confidence: 99%

Five-Phase Version of 12Slots/8Poles Three-Phase Synchronous Machine for Marine-Propulsion

Zahr

Semail

Scuiller

2014

2014 IEEE Vehicle Power and Propulsion Conference (VPPC)

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“…In the case of symmetrical and stable operation of the motor, the voltage fluctuation u no can be derived from (10) and (11).…”

Section: A Vsi Nonlinearity Model On Synchronous Coordinate Framementioning

confidence: 99%

“…It leads to the presence of higher harmonic voltages rather than (6k ± 1)th order harmonic [10]. Third harmonic current injection is widely used in multiphase motor control to improve torque performance [11]- [14]. An accurate flux observer is of great help to multiphase motors [14], [15].…”

Section: Introductionmentioning

confidence: 99%

An Online VSI Error Parameter Identification Method for Multiphase IM With Non-Sinusoidal Power Supply

Yang

Zhang

et al. 2022

IEEE Access

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“…Most of these CHI approaches for mean-torque enhancement are based on calculating the optimum current harmonics (amplitudes and phase angles) offline for the scenario of largest torque, and rescaling them with the fundamental current when the torque is lower so that nearly rectangular current (or flux) waveforms are always maintained (MTPP method) [1], [13]- [17], [23], [30]- [32], [36]. Unfortunately, this implies that the SCL per torque is not minimized [1], [8], [12], [16], [30].…”

Section: Introductionmentioning

confidence: 99%

General Online Current-Harmonic Generation for Increased Torque Capability With Minimum Stator Copper Loss in Fault-Tolerant Multiphase Induction Motor Drives

Yepes

Shawier

Abdel-Azim

et al. 2023

IEEE Trans. Transp. Electrific.

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This paper proposes a current-reference generation method including current harmonic injection (CHI) for enhancing the torque capability of multiphase induction machines (IMs) with negligible space-harmonic effects, which is useful, e.g., during transient overload in electric vehicles. The admissible torque is increased because the harmonics reduce the phasecurrent peaks, so that the instantaneous peak-current constraint of the drive, usually associated with the converter ratings, is respected. The harmonics are injected in the so-called x-y subspaces of the IM, which do not produce torque, so that no torque ripple is introduced. The optimum harmonics are found online for each load, making it possible to minimize the stator copper loss (SCL) per torque in the entire torque range, ensuring full-range minimum loss (FRML). The method is suitable for healthy operation or open-phase faults, and for multiphase machines of any phase number and with either symmetrical or asymmetrical windings. Compared with FRML methods without CHI, higher torque is achieved. Although some techniques were available for increasing the torque capability by CHI, FRML was not attained, laborious offline optimization was needed, or they were only suitable for specific drives or for healthy conditions, unlike the proposal. Experimental results with a symmetrical six-phase IM are provided.

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Dual-Plane Vector Control of a Five-Phase Induction Machine for an Improved Flux Pattern

Cited by 121 publications

References 17 publications

Five-Phase Version of 12Slots/8Poles Three-Phase Synchronous Machine for Marine-Propulsion

Five-Phase Version of 12Slots/8Poles Three-Phase Synchronous Machine for Marine-Propulsion

An Online VSI Error Parameter Identification Method for Multiphase IM With Non-Sinusoidal Power Supply

General Online Current-Harmonic Generation for Increased Torque Capability With Minimum Stator Copper Loss in Fault-Tolerant Multiphase Induction Motor Drives

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