Modeling the Degradation of Relative Permeability in Soft Magnetic Materials

Cossale, Marco; Bramerdorfer, Gerd; Goldbeck, Gereon; Kitzberger, Martin; Andessner, D.; Amrhein, Wolfgang

doi:10.1109/itec.2018.8450202

Cited by 16 publications

(4 citation statements)

References 13 publications

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“…a) An experiment to determine the electromotive force(EMF) when the rotor rotates from the loading motor at the rated speed [14]; b) An experiment to determine the rated current consumed by the motor at the rated load torque, rated frequency of the supply voltage and rated speed [15].…”

Section: Theoretical Aspectsmentioning

confidence: 99%

Changing the design of a synchronous motor after testing

et al. 2020

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In the course of work on the project, we have created a permanent magnet synchronous motor, which will be effectively used in the oil industry, or rather 2 models: 15and 55-kW motors. After the tests carried out, the problem with the achievement of the specified value of the efficiency of the engines was clarified, and it was necessary to solve this problem without significantly changing the design. One of the solutions is presented in the article.

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Section: Theoretical Aspectsmentioning

confidence: 99%

Changing the design of a synchronous motor after testing

et al. 2020

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“…Increased control accuracy and system response speed are necessary to improve the accuracy of simulating the operating modes of the oil pumping unit and to check the response of the control system of the electric motor under test [14,15]. In addition, the preservation of the shape of the loading torque curve is of great importance, since this reflects the processes occurring on a real oil pumping unit, and any deviation can cause an erroneous reaction of the control system of the engine under test [16].…”

Section: Benefits Of a Digital Controllermentioning

confidence: 99%

The use of a digital controller in the loading system of the test bench to improve the accuracy of simulating the modes of oil pumping units

et al. 2020

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Modern trends in the development of technologies are based on the need to conduct experimental studies of the developed equipment in laboratory conditions with the maximum approximation of operating modes to real ones. Such studies are impossible without the development of specialized stands with test automation systems. In modern test equipment systems, devices are often used to create a mechanical load on the shaft of the electric motor under study. As such a device, a system of frequency converter load asynchronous electric motor has been proposed and implemented, which has been tested at the test bench and has proven itself from the best side in comparison with traditional circuits using DC motors.

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“…In case of punching, the change is mainly due to residual mechanical stress and plastic deformation of the material [38,26,15,63,56], while for laser cutting it is due to thermal effects [21,3]. Stress relief annealing can be applied to at least partly restore the material characteristics [10,16]. By contrast, electrical discharge machining (EDM), also known as wire cutting, shows significantly lower impact on the material [17].…”

Section: Shaping Of the Machine Design Cross Section And Its Impact Omentioning

confidence: 99%

State-of-the-art and future trends in soft magnetic materials characterization with focus on electric machine design – Part 2

Bramerdorfer

Kitzberger

Wöckinger

et al. 2019

Tm - Technisches Messen

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The first part of this two-part article is about a retrospective view of material characterization, starting with the work of J. Epstein around the year 1900 and respective basic explanations. Consequently, the work presented herein is about the current state-of-the-art, recent developments, and future trends in characterization of ferromagnetic materials. Modeling is in fact a type of characterization, in a phenomenological and mathematical sense, and therefore it is treated with due attention in this article. Quantifying the properties of soft magnetic materials retains significant scientific attention. Thanks to new optimization techniques and advances in numerical evaluation, modern electromagnetic devices feature high utilization. Classical models exhibit assumptions that do not allow modern machine or device characterization with high accuracy. In this manuscript, typically applied techniques and recent incremental improvements, as well as newly developed models are introduced and discussed. Moreover, the significant impact of manufacturing on the materials’ characteristics and its quantification is illustrated. Within this article, a broad overview of the state-of-the-art as well as recent advances and future trends in soft magnetic material characterization is presented. Thus, it is a valuable reading for beginners and experts, from academia and industry alike.

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Modeling the Degradation of Relative Permeability in Soft Magnetic Materials

Cited by 16 publications

References 13 publications

Changing the design of a synchronous motor after testing

Changing the design of a synchronous motor after testing

The use of a digital controller in the loading system of the test bench to improve the accuracy of simulating the modes of oil pumping units

State-of-the-art and future trends in soft magnetic materials characterization with focus on electric machine design – Part 2

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