PWM strategies of multi-phase inverters

Halasz, S.

doi:10.1109/iecon.2008.4758075

Cited by 17 publications

(8 citation statements)

References 3 publications

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“…A significant effort has been put recently into evaluation of these factors, using various analytical approaches, for numerous PWM schemes aimed at two-level VSIs. Analyses, based on the output voltage harmonics in multiphase drives, have been conducted in [56][57][58] at a theoretical level for continuous [56] and discontinuous [57] PWM techniques in the linear modulation region, and in the over-modulation region [58].…”

Section: Evaluation Of the Current And Voltage Qualitymentioning

confidence: 99%

“…However, if the inductances in different planes of a multiphase system, relevant for the switching harmonics, are not equal (as usually the case is) determination of the current ripple rms squared is only possible using polygon approach by subsequent application of the space vector analysis, in order to relate HDFs of different polygons with corresponding HDFs of different planes (for which the relevant inductances are known). This involves a rather complicated relationship between harmonics in the phase voltages and the line-to-line voltages (since there are (n1)/2 different ones in a multiphase system) [56,65].…”

Section: Evaluation Of the Current And Voltage Qualitymentioning

confidence: 99%

See 1 more Smart Citation

Advances in Converter Control and Innovative Exploitation of Additional Degrees of Freedom for Multiphase Machines

Levi

2016

IEEE Trans. Ind. Electron.

539

238

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AbstractMultiphase variable-speed drives and generation systems (systems with more than three phases) have become one of the mainstream research areas during the last decade. The main driving forces are the specific applications, predominantly related to the green agenda, such as electric and hybrid electric vehicles, locomotive traction, ship propulsion, 'more-electric' aircraft, remote offshore wind farms for electric energy generation, and general high-power industrial applications. As a result, produced body of significant work is substantial, making it impossible to review all the major developments in a single paper. This paper therefore surveys the recent progress in two specific areas associated with multiphase systems, namely power electronic supply control and innovative ways of using the additional degrees of freedom in multiphase machines for various nontraditional purposes.Index TermsMultiphase variable-speed drives, ac-ac converters, inverters, PWM, multiphase power electronics, integrated on-board battery chargers.

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Section: Evaluation Of the Current And Voltage Qualitymentioning

confidence: 99%

Section: Evaluation Of the Current And Voltage Qualitymentioning

confidence: 99%

Advances in Converter Control and Innovative Exploitation of Additional Degrees of Freedom for Multiphase Machines

Levi

2016

IEEE Trans. Ind. Electron.

539

238

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“…The two different machine models can be combined with either a quasi static and transient converter models. Both the quasi static and the transient machine and converter can be operated by one control algorithm [5][6][7][8][9][10]. This way, the level of modularity of electric drives can be increased by means of the new quasi static fundamental wave machine models.…”

Section: Modularity Of Simulation Conceptsmentioning

confidence: 99%

New Multi Phase Quasi Static Fundamental Wave Electric Machine Models for High Performance Simulations

Kral¹,

Haumer

Machines³

2014

Linköping Electronic Conference Proceedings

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A new quasi static fundamental wave machines library will be included in the magnetic domain package of the next Modelica Standard Library (MSL). The provided classes of machine models omit all transient electrical effects, but mechanical dynamics are fully taken into account. By including the new machine models new classes of problems can be treated, enabling fast electric machine and drive simulations. Yet, all the characteristic loss effects of transient machine models are fully taken into account, where needed. Phase numbers greater than three are supported. For each machine type available in the MSL there will then exist both a fully transient and a quasi static electric machine model. The package structure of the quasi static fundamental wave package and the concept of implementation will be presented. All required assumptions and limitations for operating the new machine models will be presented and discussed. Deviating parameters compared to the transient machine models will be discussed and explained. Simulation examples will be presented and compared with transient simulation experiments. Possible applications for the new machine models will be outlined.

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“…This paper and [5] don't use the space vector (Park-vector) interpretation. Several papers were published dedicated to very similar problems of the multiphase inverter-fed drives [6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

“…The paper is the improvement and a continuation of [5], which deals with the investigation of stator and rotor different harmonic losses as well as by computing the stator currents for phase numbers from 3 to 9. Three PWM methods are investigated: sinusoidal PWM, space vector PWM and harmonic injection PWM.…”

Section: Introductionmentioning

confidence: 99%