Design and analysis of a single phase slot-less permanent magnet generator

Misron, Norhisam; Norafiza, M.; Syafiq, Muhammad; Aris, Ishak; Abdul, R.J.

doi:10.1109/pecon.2008.4762636

Cited by 19 publications

(22 citation statements)

References 7 publications

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“…In order to derive the optimal mechanical parameters in machine design, either the Finite Element Method (FEM) or a simple analytical approach are usually the order of the day [3][4][5][6]. A faster analytical approach using magnetic circuit analysis would help designers in obtaining a firsthand performance evaluation of any proposed structure.…”

Section: Introductionmentioning

confidence: 99%

Computation of Electromagnetic Torque in a Double Rotor Switched Reluctance Motor Using Flux Tube Methods

et al. 2012

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With their highly robust nature and simple design, switched reluctance machines are finding their way into numerous modern day applications. However, they produce oscillatory torque that generates torque ripple and mechanical vibrations. A double rotor structure to maximize the flux linkage and thereby increase the torque generating capability is proposed. As the machine operates close to saturation, the torque computation depends heavily on the energy conversion as the rotor rolls over the stator for a fixed pole pitch. The flux linkage characteristics are highly non-linear, hence estimation of the magnetic and mechanical parameters is extremely cumbersome. Magnetic circuit analysis by interpretation of the number of flux tubes using integration techniques at different positions of the machine to develop the flux linkage characteristics of the double rotor structure is presented. Computation of the inductances during the movement of rotor from unaligned to aligned is crucial in determining the generated torque. Relevant equations of calculations for inductance and flux linkages in the aligned, partially aligned and unaligned positions are computed. The partially aligned computation is based on the average on two intermediate positions, namely the 1/4th aligned and 3/4th aligned conditions. The static torque characteristics based on the energy conversion principles are used to compute the torque value. Results from simulation and experiments used for performance evaluation of the proposed flux tube analysis for computation of the electro-magnetic torque are presented. OPEN ACCESSEnergies 2012, 5 4009

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Section: Introductionmentioning

confidence: 99%

Computation of Electromagnetic Torque in a Double Rotor Switched Reluctance Motor Using Flux Tube Methods

et al. 2012

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“…For this purpose, small size engines [14] with a high power density permanent magnet type electric generator [15] are used. The development of these high power density generators is documented in [15][16][17]. The output power generated by this engine-generator combination is used to supply power to a high torque brushless DC motor, which in turn is used as the load unit for the harvesting machines.…”

Section: Portable Harvesting Systemmentioning

confidence: 99%

“…The electrical generator design is based on previous research work by the authors on the development of a high power permanent magnet assisted generator [15][16][17]. The eight poles of the rectangular shaped NdFeB rare earth permanent magnets are embedded in the rotor to facilitate high speed applications.…”

Section: Generator Structural Featuresmentioning

confidence: 99%

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Performance Improvement of a Portable Electric Generator Using an Optimized Bio-Fuel Ratio in a Single Cylinder Two-Stroke Engine

et al. 2011

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Abstract:The performance of an electrical generator using bio-fuel and gasoline blends of different composition as fuel in a single cylinder engine is presented. The effect of an optimized blend ratio of bio-fuel with gasoline on engine performance improvement and thereby on the electrical generator output is studied. Bio-fuels such as ethanol, butanol and methanol are blended with gasoline in different proportions and evaluated for performance. The effects of different bio-fuel/gasoline blending ratios are compared experimentally with that of the gasoline alone using the output power developed by the electric generator as the evaluation parameter. With a composition of 10% ethanol-gasoline, the engine performance is increased up to 6% and with a blending ratio of 20% butanol-gasoline the performance is increased up to 8% compared to the use of 100% gasoline. The investigations are performed on a portable generator used in palm tree harvesting applications.

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“…The development of PMG that intended to be used in agriculture application where it demand high power capability, small in size and ease of use is much limited in practical applications. In context to that, several topologies of PMG are designed and developed recently [8][9][10][11][12][13][14][15][16][17][18]. However, a perfect evaluation on the best possible of PMG for the desired application is to be investigated further.…”

Section: Introductionmentioning

confidence: 99%

Comparative Evaluation on Power-Speed Density of Portable Permanent Magnet Generators for Agricultural Application

Misron¹,

Ridzuan²,

Firdaus³

et al. 2012

PIER

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Abstract-The comparative evaluation based on the power speed density of several types of portable Permanent Magnet Generator (PMG) considered for agricultural applications is presented. These generators are purposely designed to be used in agriculture sectors and thereby it should be of lightweight, small in size and ease to use. Six different generator topologies are developed for investigation of such purposes. A number of design parameters are considered to analyze the performance characteristics for each type of developed PMG. Based on the power speed density factor that is used to describe better generator performance, the suitable PMG for the agricultural application is identified through a comprehensive evaluation.

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Design and analysis of a single phase slot-less permanent magnet generator

Cited by 19 publications

References 7 publications

Computation of Electromagnetic Torque in a Double Rotor Switched Reluctance Motor Using Flux Tube Methods

Computation of Electromagnetic Torque in a Double Rotor Switched Reluctance Motor Using Flux Tube Methods

Performance Improvement of a Portable Electric Generator Using an Optimized Bio-Fuel Ratio in a Single Cylinder Two-Stroke Engine

Comparative Evaluation on Power-Speed Density of Portable Permanent Magnet Generators for Agricultural Application

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