Direct finite element design optimisation of the cageless reluctance synchronous machine

Kamper, Maarten J.; Merwe, F.S. van der; Williamson, S.

doi:10.1109/60.537006

Cited by 123 publications

(68 citation statements)

References 16 publications

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“…Therefore, the average magnetic vector potential values should be used. For first-order triangular elements, the flux linkage of a coil with 1 N turns, area S , and length l is given by [17] …”

Section: Optimizationmentioning

confidence: 99%

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Design and construction of an optimum high power radial flux direct-drive PM generator for wind applications

Joorabian

Nejad

2009

2009 4th IEEE Conference on Industrial Electronics and Applications

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This paper discusses the development of a high power Radial flux direct-drive PM generator for wind applications. A low-speed radial-flux permanent-electrical with new magnet (PM) generator topology was built and tested. The designed, optimized and constructed. This paper presents the design of a 20 kW permanent magnet generator using Neodymium-Iron-Boron. The finite element technique (FET) is used for detailed characteristics and final adjustments. The design was carried out with high-energy NdFeB built and tested. The genetic algorithm is used to optimize machine structure and to achieve high power density and efficiency. The generator operation is investigated in both simulation and implementation. The great agreement between simulation and implementation results proves the validity of this generator structure.

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Section: Optimizationmentioning

confidence: 99%

“…If the 5th and 7th and higher harmonics are ignored, the fundamental total phase flux linkages can bee calculated by using the technique given in [17], i.e. …”

Section: Optimizationmentioning

confidence: 99%

Design and construction of an optimum high power radial flux direct-drive PM generator for wind applications

Joorabian

Nejad

2009

2009 4th IEEE Conference on Industrial Electronics and Applications

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“…The actual flux linkages [ψ abc ] of the stator three phases (a, b, c) contain harmonics and it is necessary to obtain the fundamental total flux linkages. Assuming that only the 3rd harmonic is dominant, and ignoring higher harmonics, the flux linkage vector in the stator three phases can be written as [15]:…”

Section: Flux Linkagesmentioning

confidence: 99%

Design Optimization of Two Synchronous Reluctance Machine Structures With Maximized Torque and Power Factor

Tahi¹,

Ibtiouen²,

Bounekhla³

2011

PIER B

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Abstract-The subject of this article is to optimize the design of synchronous reluctance machines with massive rotor and multi-flux barrier rotor. The optimization procedure, which aims to improve simultaneously the machines' torque and the power factor, uses the cyclic coordinate method coupled with the magnetostatic finiteelement (FE) field solutions. The optimization results regarding these two types of machines, which provide the optimized rotor geometrical dimensions and the influence of the current angle, are discussed.

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“…After each iteration, a new direction is defined which is used in the set of vector 0-7803-5546-6/99/$10.00 0 1999 IEEE -_ _ directions for the next iteration and a new mesh is generated according to the changed set of vector directions. The complete explanation of this procedure and a flow diagram are given in [3].…”

Section: Methods Of Odtimisationmentioning

confidence: 99%

Some design aspects of tapered and straight stator pole 6:4 switched reluctance machine

Sitsha

Kamper²

1999 IEEE Africon. 5th Africon Conference in Africa (Cat. No.99CH36342)

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This paper describes the design optimisation of a 6:4 medium power (50 kw) Switched Reluctance Motor ( S R M ) with tapered and straight stator poles. The finite element analysis method (FEM) is directly used in the optimisation algorithm to optimise the machine in multidimensions. The optimisation is focussed on the maximisation of the average phase-torquelcopper losses of the machine. The static torque characteristics of both the tapered and the straight pole SRMs have been compared. It is found that tapering the stator poles improves the peak torque and average torque of the SRM significantly while the torque ripple is found to be very much the same for both machines. List of Symbols st-od st-id st-sh s t g w -st-sw s t j h ro-od ro-shd r o j h ro-tw SP_tiP sp-base g sr bc= stator outer diameter = stator inner diameter = stator slot height = stator pole width (also equal to f) = stator slot width = stator yoke height = rotor outer diameter = rotor shaft diameter = rotor yoke height = rotor tooth width (also equal to tJ = stator pole arc at tip = stator pole arc at base = air gap length = split ratio = st-odh-id = s t j h l s t g w

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Direct finite element design optimisation of the cageless reluctance synchronous machine

Cited by 123 publications

References 16 publications

Design and construction of an optimum high power radial flux direct-drive PM generator for wind applications

Design and construction of an optimum high power radial flux direct-drive PM generator for wind applications

Design Optimization of Two Synchronous Reluctance Machine Structures With Maximized Torque and Power Factor

Some design aspects of tapered and straight stator pole 6:4 switched reluctance machine

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