Space phasor theory and control of multiphase machines through their decoupling into equivalent three-phase machines

Serrano-Iribarnegaray, L.

doi:10.1007/s00202-013-0278-6

Cited by 5 publications

(12 citation statements)

References 26 publications

(21 reference statements)

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“…The SPhTh for cylindrical or salient pole symmetrical machines with arbitrary number of phases and space harmonics has been presented in [5]. By contrast to the MCCA (machine as a network with rotor position dependent parameters), the SPhTh states that a machine can also be regarded as an electromechanical device that produces electromagnetic (field) waves with a restricted propagation capacity, namely they are forced to turn inside its air gap.…”

Section: Multiphase Machines Decoupling Through the Sphthmentioning

confidence: 99%

“…Dynamic time phasors of the same sequence can be added up graphically and vectorially in an analogous manner as the classical Kapp's phasors do. If the m phases of the winding are numbered 1,2 ,….,y, ….. (m-1), m, the quantity of the general phase y of system (1) is obtained by simply projecting the phasor onto the phase axis in the complex plane of sequence g. That is (e  stands for "real part of"): (5) it follows that the dynamic time phasors of two complementary DmPhSs are exactly equal except that their instantaneous arguments are opposite.…”

Section: Multiphase Machines Decoupling Through the Sphthmentioning

confidence: 99%

“…The first problem is easily addressed though the multiphase machine decomposition and decoupling carried out in the SPTh, as presented in [5].…”

Section: Introductionmentioning

confidence: 99%

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Direct Torque Control of Multiphase Doubly Converter-fed Asynchronous Machines Incorporating the Harmonic Torques

Martínez-Román¹,

Serrano-Iribarnegaray²,

Pino-López³

et al. 2018

Adv. sci. technol. eng. syst. j.

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Doubly fed asynchronous machines have an outstanding property: they can be operated up to twice rated speed delivering full rated torque. This paper presents, for the first time in the literature, a control system for multiphase asynchronous machines fed by Voltage Source Inverters (VSIs) both in stator and rotor that incorporates the harmonic torques. The system has three main and distinctive features: the independent control of the fundamental and harmonic torques, a very fast dynamic response for each one of these torques and a powerful method for selecting the best suited inverter state to achieve the evolution of the fundamental and harmonics flux linkage space phasors prescribed by the external control loops. The first feature is achieved through the decoupling of the multiphase machine provided by the Space Phasor Theory (SPhTh). The second one comes from the application of the General Approach for a very Fast TOrque Control (GAFTOC) principle. The third feature relies on using for multi-phase VSIs a simple but powerful switching-table based mode of operation that overcomes the limitations of the switching-table based modes of operation developed up to now, that only enable for the inverter to feed machines with no harmonic torques contribution.

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Section: Multiphase Machines Decoupling Through the Sphthmentioning

confidence: 99%

Section: Multiphase Machines Decoupling Through the Sphthmentioning

confidence: 99%

See 1 more Smart Citation

Direct Torque Control of Multiphase Doubly Converter-fed Asynchronous Machines Incorporating the Harmonic Torques

Martínez-Román¹,

Serrano-Iribarnegaray²,

Pino-López³

et al. 2018

Adv. sci. technol. eng. syst. j.

Self Cite

View full text Add to dashboard Cite

show abstract

“…Generally, for a n phase symmetrical system, Matrix C s shown in formula (9), is used to transform the voltages and currents of stator to synchronous ref erence frame under constant power condition [4][5][6].…”

Section: Coordinate Transformation Of Multiphase Systemmentioning

confidence: 99%

“…The last but not the least, more phases in multiphase machines brings about more control freedoms, which 1 The article is published in the original. means the control strategy of machines can be more diversity and precise [4].…”

Section: Introductionmentioning

confidence: 99%

Rotor field oriented control strategy with harmonic currents closed-loop control for five-phase induction motor

Yin

Yang

2014

Russ. Electr. Engin.

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In order to solve the problems of harmonic currents in the conventional vector control of mul tiphase induction motor, the rotor field oriented control (RFOC) strategy with harmonic current closed loop control is proposed in the paper. Based on the transform theory of the multiphase system and the RFOC strat egy of three phase induction motor, the mathematical modulation of RFOC for five phase induction motor is modeled. The fundamental current and the second order harmonic current can be controlled indepen dently after being decoupled. The proposed strategy is implemented with a board microcomputer that uses TMS320F28335 DSP. The experimental results show that the proposed RFOC strategy with harmonic cur rent closed loop control has outstanding dynamic and static performance.

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Enhanced Complex Space Vector Modeling and Control System Design of Multiphase Magnetically Levitated Rotary–Linear Machines

Mirić

Giuffrida

Bortis

et al. 2020

IEEE J. Emerg. Sel. Topics Power Electron.

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Space phasor theory and control of multiphase machines through their decoupling into equivalent three-phase machines

Cited by 5 publications

References 26 publications

Direct Torque Control of Multiphase Doubly Converter-fed Asynchronous Machines Incorporating the Harmonic Torques

Direct Torque Control of Multiphase Doubly Converter-fed Asynchronous Machines Incorporating the Harmonic Torques

Rotor field oriented control strategy with harmonic currents closed-loop control for five-phase induction motor

Enhanced Complex Space Vector Modeling and Control System Design of Multiphase Magnetically Levitated Rotary–Linear Machines

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