Geometrical dimension influence of multi-barrier rotor on reluctance synchronous motor performances

Hudák, Peter; Hrabovcová, Valéria; Rafajdus, Pavol

doi:10.1109/speedam.2006.1649796

Cited by 14 publications

(9 citation statements)

References 6 publications

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“…Coenergy method of force or torque calculation is based on electrical to mechanical energy conversion principle in systems with variable air gap and ferromagnetic core. Among such systems are, e.g., electromagnet of contactor and electrical device based on variable reluctance principle (reluctance synchronous machine, switched reluctance machine, see Section 7 and [18][19][20]). Force calculation is defined by small difference (derivation) of coenergy W´with respect to small difference (derivation) of position (deflection) x in linear motion or ϑ in calculation of torque.…”

Section: Coenergy Methods For Force and Torque Calculationmentioning

confidence: 99%

Analysis of Electrical Machines

1982

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Section: Coenergy Methods For Force and Torque Calculationmentioning

confidence: 99%

Analysis of Electrical Machines

1982

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“…Для оценки влияния крепежной выемки на продольную магнитную проводимость катушки введем понятие коэффициента вариации продольной магнитной проводимости, обусловленной крепежной выемкой (13). Зависимость коэффициента вариации продольной магнитной проводимости от ее доли на угловом полюсном делении приведена на рис.…”

Section: зависимость коэффициента вариации продольной магнитной провоunclassified

Magnetic conductivity of a two-pole reactive machine with anisotropic magnetic conductivity of a rotor

Самосейко¹,

Гельвер²,

Samoseykо³

2018

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The paper suggests a circuit for replacing the magnetic circuit of a reactive electric machine with an anisotropic magnetic conductivity of a rotor, which serves as a basis for the obtained analytical dependences that allow determining the longitudinal and transverse magnetic conductivities of a two-pole reactive machine with anisotropic magnetic conductivity of the rotor with account for the fixing recess and the non-magnetic inter-pole gap. It also presents the results of comparison of two types of a reactive machine rotor production using longitudinal rotor lashing (ALA) and transverse rotor blending (TLA) by the coefficient of transverse magnetic conductivity. The presented mathematical description can be used to construct a technique to desig a reactive electric machine with an anisotropic magnetic rotor conductivity with longitudinal batch packing of rotor pole packs (ALA). The outcomes of the study prove that the mounting notch and the inter-pole air gap significantly reduce the transverse magnetic conductivity of the machine and, therefore, improve its efficiency.

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“…Thin ribs are left when punching, thus connecting to each other the various rotor segments. It has been shown that the increase in the number of rotor flux barriers does not lead to high gain in the developed torque [7]. To allow for rotor manufacturability easiness, a rotor without cut-off and with four barriers per pole is considered is this study.…”

Section: Flux Barrier Rotor Designmentioning

confidence: 99%

“…Design development of synchronous reluctance machines performances was the subject of many papers [4,6,7]. Recent researches of modern SynRM has focused on structures with axially laminated [8] and multi flux barrier rotors of the transverse-laminated type [9].…”

Section: Introductionmentioning

confidence: 99%

“…Recent researches of modern SynRM has focused on structures with axially laminated [8] and multi flux barrier rotors of the transverse-laminated type [9]. The axially laminated rotor can present a high-anisotropy and provide a very high unsaturated saliency ratio [10], but the manufacturing and construction technology of this rotor is expensive and very complicated and presents significant iron loss [7]. Compared to the latter, the flux barrier rotor is easier to manufacture, it can easily be skewed to reduce torque ripple and it has no iron loss problem.…”

Section: Introductionmentioning

confidence: 99%

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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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Geometrical dimension influence of multi-barrier rotor on reluctance synchronous motor performances

Cited by 14 publications

References 6 publications

Analysis of Electrical Machines

Analysis of Electrical Machines

Magnetic conductivity of a two-pole reactive machine with anisotropic magnetic conductivity of a rotor

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

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