Six-Phase BLDC Reluctance Machines: FEM-Based Characterization and Four-Quadrant Control

Ursu, Dragos; Gradinaru, Vlad; Fahimi, Babak; Boldea, Ion

doi:10.1109/tia.2014.2367110

Cited by 16 publications

(2 citation statements)

References 15 publications

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“…In the mean time Ferrite -PMassisted RelSyn [70][71] switched reluctance [72], DC excited SM (with contactless power transfer to the rotors [73]) have been tested up to 100 kW for HEVs and EVs with competitive performance per cost. Multiphase motor configurations of the above machines for higher fault tolerance or even PMless BLDC multiphase reluctance machine [74], controlled like DC brush machines, stator PM tooth-wound coil PM machines, Vernier PM machines etc.…”

Section: Electric Propulsion Systemsmentioning

confidence: 99%

Electric generators and motors: An overview

Boldea

2017

Trans. Electr. Mach. Syst.

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Starting with Faraday's law of electromagnetic induction in 1831, electric (electromagnetic) machines have been developed ever since as "assembles" of electric and magnetic coupled circuits that convert mechanical to electrical energy (in generators) and vice versa (in motors), via magnetic energy storage. Generators and motors are reversible. The Maxwell four equations (laws) later in 19th Century have prompted the rapid development of all basic (DC. brush and travelling field AC machines by 1900. Then by 1930 AC (alternating current) power (energy) systems evolved by connecting in parallel electric synchronous generators (with voltage boost and buck electric transformers for efficient AC power transmission lines) of rather constant frequency and voltage, driven by turbines (prime movers) that harness fossil (coal, gas or nuclear fuels), thermal or hydro energy. The last 50 years have witnessed a dramatic extension of generators power/unit, renewable energy generators and of variable speed AC motor drives in applications with variable output such as ventilators, pumps compressors, conveyors, orrmills, electric transport (mobility), industrial automation, robotics, home appliances and infogadgets. This formidable development, required by the need of more but cleaner energy, was mainly driven by power electronics, better materials, better modeling, design methodologies and digital control. This humble inaugural overview attempts to combine a brief history of electrical generators and motors with recent progress and trends in their design and control, for representative applications.

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Section: Electric Propulsion Systemsmentioning

confidence: 99%

Electric generators and motors: An overview

Boldea

2017

Trans. Electr. Mach. Syst.

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“…BLDCMs and SRMs can be designed as standard three-phase or multiphase machines. In the case of a BLDCM, the use of more than three phases is not a typical approach [1,22,23]. In the case of switched reluctance motors, a four-phase solution is a borderline case for potential commercial applications [24].…”

Section: Introductionmentioning

confidence: 99%

Comparative Analysis of Fault-Tolerant Dual-Channel BLDC and SR Motors

et al. 2019

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This article presents the results of a comparative analysis of two electronically commutated brushless direct current machines intended for fault-tolerant drives. Two machines designed by the authors were compared: a 12/14 dual-channel brushless direct current motor (DCBLDCM) with permanent magnets and a 12/8 dual-channel switched reluctance motor (DCSRM). Information is provided here on the winding configuration, the parameters, and the power converters of both machines. We developed mathematical models of the DCBLDCM and DCSRM which accounted for the nonlinearity of their magnetization characteristics in dual-channel operation (DCO) and single-channel operation (SCO) modes. The static torque characteristics and flux characteristics of both machines were compared for operation in DCO and SCO modes. The waveforms of the current and the electromagnetic torque are presented for DCO and SCO operating conditions. For DCO mode, an analysis of the behavior of both machines under fault conditions (i.e., asymmetrical control, shorted coil, and open phase) was performed. The two designs were compared, and their strengths and weaknesses were indicated.

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Fast and Comprehensive Online Parameter Identification of Switched Reluctance Machines

Oteafy

2021

IEEE Access

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Six-Phase BLDC Reluctance Machines: FEM-Based Characterization and Four-Quadrant Control

Cited by 16 publications

References 15 publications

Electric generators and motors: An overview

Electric generators and motors: An overview

Comparative Analysis of Fault-Tolerant Dual-Channel BLDC and SR Motors

Fast and Comprehensive Online Parameter Identification of Switched Reluctance Machines

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