Design optimisation of reluctance synchronous machine for drive system efficiency

Loubser, Andrew T.; Kamper, Maarten J.

doi:10.1109/wemdcd.2015.7194490

Cited by 5 publications

(3 citation statements)

References 8 publications

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“…It was reported in [60] that with the same stator diameter, number of stator slots and stack length as a premium efficiency induction motor, the SynRM drive system efficiency was shown to be superior to that of the premium efficiency (IE3) induction machine drive system on a certain power level. The algorithm called Modified Method of Feasible Direction (MMFD) was used which has been found to be good at finding at least a local optimum.…”

Section: A Rotor Design and Optimizationmentioning

confidence: 99%

An Overview of High-efficiency Synchronous Reluctance Machines

Wang

Cheng

et al. 2023

Trans. Electr. Mach. Syst.

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Section: A Rotor Design and Optimizationmentioning

confidence: 99%

An Overview of High-efficiency Synchronous Reluctance Machines

Wang

Cheng

et al. 2023

Trans. Electr. Mach. Syst.

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“…Similarly, the rotor and stator of a 5.5 kW power-level high speed (1500 r/min) RSM was optimised with an objective to maximise its drive system efficiency (93.2%; a 3.5% superiority in comparison with an IE3classed induction machine of similar design parameters), improve power factor and, as a result, reduce inverter losses. It was noted that an optimisation algorithm aimed at inverter losses minimisation automatically resulted in a power factor (0.79) improvement [66].…”

Section: Reluctance Synchronous Machine (Rsm)mentioning

confidence: 99%

Non-Conventional, Non-Permanent Magnet Wind Generator Candidates

Udosen

Kalengo

Akuru

et al. 2022

Wind

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Global industrialization, population explosion and the advent of a technology-enabled society have placed dire constraints on energy resources. Furthermore, evident climatic concerns have placed boundaries on deployable energy options, compounding an already regrettable situation. It becomes apparent for modern renewable energy technologies, including wind generators, to possess qualities of robustness, high efficiency, and cost effectiveness. To this end, direct-drive permanent magnet (PM) wind generators, which eliminate the need for gearboxes and improve wind turbine drivetrain reliability, are trending. Though rare-earth PM-based wind generators possess the highly sought qualities of high-power density and high efficiency for direct-drive wind systems, the limited supply chain and expensive pricing of the vital raw materials, as well as existent demagnetization risks, make them unsustainable. This paper is used to provide an overview on alternative and viable non-conventional wind generators based on the so-called non-PM (wound-field) stator-mounted flux modulation machines, with prospects for competing with PM machine variants currently being used in the niche direct-drive wind power generation industry.

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“…A detailed study regarding the geometric parameters affecting torque ripple was also reported therein [10]. Geunther and Hoffmann presented a special optimization of SyRel motors for use in electric vehicles [11], while Loubser and Kamper discussed the combined optimization of a SynRel along with its drive [12]. Howard and Kamper provided a multi-objective, two-stage optimization with torque and torque ripple as objective functions [13].…”

Section: Introductionmentioning

confidence: 99%

Large-Scale Optimization of Synchronous Reluctance Machines Using CE-FEA and Differential Evolution

Wáng

Ionel

Rallabandi

et al. 2016

IEEE Trans. on Ind. Applicat.

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A novel automated design optimization procedure based on the application of an ultra-fast computationally-efficient finite element method (CE-FEA) for current regulated synchronous reluctance machines supplied from power electronic converters is proposed. The CE-FEA uses only a minimum number of magnetostatic solutions in order to comprehensively evaluate performance, including ripple torque and core losses. The optimization algorithm is based on differential evolution and uses as independent variables the torque angle and ratios for a generic rotor topology with four flux barriers. Two problems, one with two and another one with three objectives, are studied and results compared. Global performance indices and objectives incorporate the effect of average torque output, losses, torque ripple, and power factor at fixed cost. It is shown that through optimal studies with more than 5,000 candidate designs, high output power, high efficiency, and low torque ripple can be achieved, while the relatively low power factor remains an inherent limitation of synchronous reluctance technology. Simulations are validated versus tests from a 10hp 1,800rpm prototype.

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Design optimisation of reluctance synchronous machine for drive system efficiency

Cited by 5 publications

References 8 publications

An Overview of High-efficiency Synchronous Reluctance Machines

An Overview of High-efficiency Synchronous Reluctance Machines

Non-Conventional, Non-Permanent Magnet Wind Generator Candidates

Large-Scale Optimization of Synchronous Reluctance Machines Using CE-FEA and Differential Evolution

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