Sonderwicklungen

Sequenz, Heinrich

doi:10.1007/978-3-7091-3231-9_7

Cited by 5 publications

(14 citation statements)

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“…The general task to determine the l y -layer winding connections, i.e., the previously defined connection matrix, of a machine with N slots, 2p poles, and m phases can be carried out by the following procedure proposed in [16] and [19], and here briefly described.…”

Section: Winding Representation and Procedures For Winding Designmentioning

confidence: 99%

“…This operation is realized manually via application, of some well-known techniques reported, e.g., in [2], [3], [16], [18], and [19], such as chording (pitch shortening), the double chording (double pitch shortening), winding imbrication or interleaving, the phase belt widening, and the phase belt shifting. The possibility of postprocessing for a further winding harmonic content optimization is leaved to the experience and skill of the software user: in this case, he, rather than being a deep expert, should have at least a good basic knowledge in the field of ac windings and in their design principles.…”

Section: Introductionmentioning

confidence: 99%

“…The software also allows to comprehensively determine the spectrum of winding factors, the spatial distribution of MMF and its relative harmonic content overall, to evaluate the effect of the harmonics of the coil sizes, of the EMF induced, the order in which they must be connected sides in the case of single layer or in the case of double-layer, the Görges polygon [3], [16], [18], [19] and the leakage coefficient useful for the determination of the winding quality.…”

Section: Introductionmentioning

confidence: 99%

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A New Software Tool for Design, Optimization, and Complete Analysis of Rotating Electrical Machines Windings

2015

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In this paper, a new software tool developed by the authors for ac winding design, optimization, and complete analysis is presented. In particular, this software can be used as a valid aid in design and analysis for a wide variety of motor and generator windings with generic number of phases (including the case of those machines in which some slots are left empty), pole pairs, slot number, and so on. The calculation of winding factors and the evaluation of their harmonic distribution is also accomplished. The software is implemented in the MATLAB programming environment. By means of some examples, covering the most relevant winding types, the capabilities of this software will be shown. In particular, integer and fractional slot, single- and double-layer winding, concentrated windings, imbrication, belt widening, and belt shifting techniques can be treated to reduce particular harmonics in the electromotive force (EMF) or in the magnetomotive force (MMF). Finally, the connections, the winding factor harmonic distribution, the total harmonic distortion (THD) of EMF and spatial distribution of both the MMF, the Görges polygon, and the flux density are shown together with an estimate of the differential leakage and the air-gap flux density spatial distribution. The software presented in this paper is very modular, highly structured, and flexible due to the conspicuous number of operations that it can fulfill. Clearly, for the sake of brevity and clarity, the authors limit to represent the main features of the software, without going into specific details of programming and coding. All the main mathematical relationships that are useful to solve the problem of design and optimization of the windings of rotating machines are hereafter presented

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Section: Winding Representation and Procedures For Winding Designmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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A New Software Tool for Design, Optimization, and Complete Analysis of Rotating Electrical Machines Windings

2015

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“…Those requirements is reached with 800Hz at aircraft's take-off. Applying the result in a stator design with pole pairs p = 2 and p = 4 of the Dahlander winding [1] in this case would result in two speed Dahlander winding. The speed vs. frequency characteristics is ranges for electrical drives instead of two fixed speeds at shown in Fig.…”

mentioning

confidence: 94%

“…. .smuall overlapping range is taken into account for determuining1) The maximum flow rate obtained with the DahlLanLderthe most appropriate frequency for switching the nrumber of wound mnachinre prototype could be determ[ined by expoepis periment. This is according to the requirements of the…”

mentioning

confidence: 99%

Induction motor with pole-changing winding for variable supply frequency

Giet

Hameyer

2007

2007 IEEE International Electric Machines &Amp; Drives Conference

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Assisted software design of a wide variety of windings in rotating electrical machinery

Tommaso

Genduso

Miceli

et al. 2014

2014 Ninth International Conference on Ecological Vehicles and Renewable Energies (EVER)

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In this paper a software developed by the Authors for winding design is presented. In particular, this software can be used as a valid aid in design and analysis for a wide variety of windings with generic number of phases, pole pairs, slot number, etc‥ The calculation of winding factors and the evaluation of their harmonic distribution is also accomplished. The software is implemented in MATLAB® environment. By means of some examples, covering the most relevant winding types, the capabilities of this software will be shown. Particularly, integer and fractional slot, single and double layer winding, concentrated windings, imbrication, belt widening and belt shifting techniques can be treated in order to reduce particular harmonics in the electromotive force (e.m.f) or in the magnetic field (m.m.f.=magneto motive force). Thanks to this software it is possible to determine quickly the winding connections. Moreover, the winding factor harmonic distribution, the THD of e.m.f., the differential leakage and the spatial distribution of the m.m.f. is computed in a very easy way

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Sonderwicklungen

Cited by 5 publications

References 0 publications

A New Software Tool for Design, Optimization, and Complete Analysis of Rotating Electrical Machines Windings

A New Software Tool for Design, Optimization, and Complete Analysis of Rotating Electrical Machines Windings

Induction motor with pole-changing winding for variable supply frequency

Assisted software design of a wide variety of windings in rotating electrical machinery

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