scholarly journals Analysis of magnetic losses in Fe-polymer composites

2018 ◽  
Vol 69 (6) ◽  
pp. 454-457
Author(s):  
Mariusz Najgebauer ◽  
Adam Jakubas ◽  
Jan Szczygłowski
Keyword(s):  
Polymer Composites ◽  
Magnetic Materials ◽  
Electronic Devices ◽  
Soft Magnetic Materials ◽  
Magnetic Losses ◽  
Soft Magnetic ◽  
Magnetic Composites ◽  
Magnetic Cores ◽  
Maximum Induction ◽  
Soft Magnetic Composites

Abstract The most important properties of soft magnetic materials are peak induction and magnetic losses, determining the size and efficiency of electric devices. Conventional soft magnetic materials are not suitable for the construction of miniaturized magnetic cores. Soft magnetic composites meet miniaturization requirements of electric and electronic devices. In this paper, magnetic losses in self-developed Fe-polymer composites are analyzed. The frequency dependencies of magnetic losses are measured at different level of maximum induction. The influence of Fe-grain size on magnetic losses is also discussed.

Soft magnetic composites used in the special electric motor magnetic cores

2017 ◽  
Author(s):  
Veronica Manescu Paltanea ◽  
Gheorghe Paltanea ◽  
Paul Minciunescu ◽  
Paul Cristian Andrei ◽  
Mihai Maricaru ◽  
...  
Keyword(s):  
Electric Motor ◽  
Soft Magnetic ◽  
Magnetic Composites ◽  
Magnetic Cores ◽  
Soft Magnetic Composites

Scaling algorithms in modelling of power loss in soft magnetic composites

2019 ◽  
Vol 38 (4) ◽  
pp. 1064-1074 ◽  
Author(s):  
Mariusz Najgebauer ◽  
Jan Szczyglowski ◽  
Barbara Slusarek ◽  
Marek Przybylski
Keyword(s):  
Power Loss ◽  
Measurement Data ◽  
Soft Magnetic Materials ◽  
Scaling Analysis ◽  
Soft Magnetic ◽  
Magnetic Composites ◽  
Content Type ◽  
Soft Magnetic Composites ◽  
Loss Modelling ◽  
Scaling Algorithms

Purpose The purpose of this paper is to examine scaling algorithms in the description and modelling of power loss in soft magnetic composites (SMCs). Design/methodology/approach Three scaling algorithms are examined to determine the most appropriate description of power loss in magnetic composites. The scaling coefficients are estimated in such a way that all measurement data should be collapsed onto a single curve, given in the scaled coordinates. The coefficient estimation is based on a non-linear optimization using the generalized reduced gradient method. The obtained formulae are then used in the power loss modelling. Findings It is revealed that only two-component formulae are suitable for the scaling analysis of power loss because these allow obtaining of the collapse of measurement data. Research limitations/implications This study considers just one type of SMC (Somaloy 700). Further research will be devoted to the verification of the scaling approach to the power loss modelling for other types of magnetic composites. Practical implications The power loss is a basic property of soft magnetic materials, which determines their practical applications. The scaling approach to the power loss modelling gives quite simple models that require a reduced number of measurement data to estimate coefficients. Originality/value The scaling algorithms can be a useful tool in the analysis and designing of magnetic circuits made of SMCs.

scholarly journals Extended frequency analysis of magnetic losses under rotating induction in soft magnetic composites

2012 ◽  
Vol 111 (7) ◽  
pp. 07E325 ◽  
Author(s):  
O. de la Barrière ◽  
C. Appino ◽  
F. Fiorillo ◽  
C. Ragusa ◽  
M. Lecrivain ◽  
...  
Keyword(s):  
Frequency Analysis ◽  
Magnetic Losses ◽  
Soft Magnetic ◽  
Magnetic Composites ◽  
Soft Magnetic Composites ◽  
Extended Frequency

scholarly journals Advances in Powder Metallurgy Soft Magnetic Composite Materials

2017 ◽  
Vol 62 (2) ◽  
pp. 1149-1154 ◽  
Author(s):  
R. Bureš ◽  
M. Strečková ◽  
M. Fáberová ◽  
P. Kollár ◽  
J. Füzer
Keyword(s):  
Powder Metallurgy ◽  
Magnetic Materials ◽  
Automotive Industry ◽  
Core Loss ◽  
Soft Magnetic Materials ◽  
Magnetic Composite ◽  
Transportation Industry ◽  
Soft Magnetic ◽  
Magnetic Composites ◽  
High Frequency Region

Abstract Powder metallurgy has grown with the expansion of various industry. Automotive industry had the most strong influence. Today, more than 90% of PM products are used in the transportation industry. Development of new materials such as magnetic materials is expected to meet the new trends of automotive industry, electric and hybrid vehicles. Soft magnetic composites (SMC) are PM materials based on ferromagnetic powder particles covered by electric insulation layer. Concept of SMC’s and PM technologies offer possibility to become faster, use higher frequencies, become smaller and denser, save more energy, achieving high permeability and lower core loss in high frequency region, which is required for soft magnetic materials. Investigation of correlations among compaction parameters, inner structure, magnetic and mechanical properties are presented.

scholarly journals LABORATORY STUDIES OF PROPERTIES OF SOFT MAGNETIC POWDER COMPOSITE MATERIALS

2021 ◽  
pp. 220-224
Author(s):  
А.С. Парамонов
Keyword(s):  
Magnetic Materials ◽  
Soft Materials ◽  
Electrical Machines ◽  
Soft Magnetic Materials ◽  
Magnetic Composite ◽  
Experimental Setup ◽  
Laboratory Studies ◽  
Soft Magnetic ◽  
Magnetic Cores ◽  
Secondary Winding

Изучение эффективности использования электротехнических материалов является актуальной проблемой в области изготовления электрических машин. Одним из важнейших аспектов изготовления электрических машин является проектирование магнитной системы машины. В качестве магнитной системы используют магнитопроводы из различных магнитомягких материалов. Эти материалы отличаются магнитной проницаемостью и удельными магнитными потерями. Данные параметры материалов влияют на нагрев, размер, стоимость и эффективность электрической машины. В целях экономии экспериментальная оценка параметров магнитомягких материалов производится на заготовках различных форм и размеров, на специальных измерительных стендах, согласно международным энергетическим стандартам. В данной статье предлагается экспериментальная установка для лабораторных исследований магнитных свойств магнитомягких материалов, методом кольцевых заготовок, в соответствие со стандартом МЭК-60404-6. В составе установки используется только стандартное недорогое оборудование. Необходимый коэффициент формы магнитной индукциидостигается последовательной коррекциейнапряжения вторичной обмотки с помощью цифрового регулятора. Подход к программной реализации алгоритма последовательной коррекции напряжения вторичной обмотки изложен в статье. С помощью предлагаемой установки проведено исследование свойств образца из магнитомягкого композиционного порошкового материала Somaloy 700-3p (800 MPa) и сравнение результатов с каталожными данными производителя. По итогам работы выявлено, что с помощью предлагаемойустановки могут производитьсяизмерения свойств магнитомягких материалов, в соответствие со стандартом МЭК-60404-6 с необходимой точностью. Предлагаемая установка может быть использована как в качестве учебного стенда, так и в качестве измерительной установки для идентификации свойств магнитомягких материалов при проектировании электрических машин. The study of the efficiency of using electrical materials is of great interest in the field of manufacturing electrical machines. One of the most important aspects of the manufacture of electrical machines is the design of the magnetic cores of the machine. Magnetic cores made of various magnetically soft materials are used as a magnetic system. These materials differ in magnetic permeability and specific magnetic losses. These material parameters affect the heating, size, cost and efficiency of electric machines. In order to reduce expenses, the experimental evaluation of the parameters of soft magnetic materials is carried out on samples of various shapes and sizes, on special experimental setups, in accordance with international electrotechnical standards. This article proposes an experimental setup for laboratory studies of the magnetic properties of soft magnetic materials by the method of ring specimens, in accordance with the IEC-60404-6 standard. The setup uses only standard inexpensive equipment. The required shape factor of the magnetic flux density is achieved by sequential correction of the secondary winding voltage using a digital regulator. The approach to the software implementation of the algorithm for sequential correction of the secondary winding voltage is described in the article. The proposed experimental setup was used to study the properties of a sample made of a soft magnetic composite powder material Somaloy 700-3p (800 MPa) and compare the results with the manufacturer's catalog data. Based on the results of the work, it was revealed that the proposed setup can be used to measure the properties of soft magnetic materials in accordance with the IEC-60404-6 standard with the required accuracy. The proposed experimental setup can be used both as a training stand and as a measuring installation for identifying the properties of soft magnetic materials in the design of electrical machines.

Magnetic losses of the soft magnetic composites consisting of iron and Ni–Zn ferrite

2008 ◽  
Vol 320 (8) ◽  
pp. 1544-1548 ◽  
Author(s):  
Kh. Gheisari ◽  
S. Javadpour ◽  
H. Shokrollahi ◽  
B. Hashemi
Keyword(s):  
Magnetic Losses ◽  
Soft Magnetic ◽  
Magnetic Composites ◽  
Zn Ferrite ◽  
Soft Magnetic Composites

scholarly journals Characterization and Prediction of Magnetic Losses in Soft Magnetic Composites Under Distorted Induction Waveform

2013 ◽  
Vol 49 (4) ◽  
pp. 1318-1326 ◽  
Author(s):  
O. de la Barriere ◽  
M. LoBue ◽  
C. Appino ◽  
F. Fiorillo ◽  
C. Ragusa ◽  
...  
Keyword(s):  
Magnetic Losses ◽  
Soft Magnetic ◽  
Magnetic Composites ◽  
Soft Magnetic Composites
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