Magnetic hysteresis pdf Palmerston North

magnetic hysteresis pdf

Ferromagnetic Materials Characteristics Their Application Magnetic hysteresis loops evaluated for Fe 3 Si/Ge samples are shown in Fig.9.13 (a). The shapes of the loops depend on the field direction, indicating the presence of the magnetic anisotropy in the film plane. The coercivities were strongly dependent on the growth parameters, i.e., …

Magnetic Hysteresis an overview ScienceDirect Topics

Magnetic Hysteresis Wolfram Demonstrations Project. of hysteresis are useful in different contexts but fail to fully characterize it. In this paper, a number of different situa-tions exhibiting hysteresis are described and analyzed. The applications described are: an electronic comparator, gene regulatory network, backlash, beam in a magnetic п¬Ѓeld, a class of smart materials and inelastic springs., As seen from above, hysteresis loop measures the energy dissipated due to hysteresis which appears in the form of heat and so raises the temperature of that portion of the magnetic cir-cuit which is subjected to magnetic reversal. The shape of the hysteresis loop depends on the nature of the magnetic material (Fig. 8.4). Loop 1 is for hard steel..

Hysteresis When a ferromagnetic material is magnetized in one direction, it will not relax back to zero magnetization when the imposed magnetizing field is removed. It must be driven back to zero by a field in the opposite direction. If an alternating magnetic field is applied to the material, its magnetization will trace out a loop called a hysteresis loop. Sep 20, 2013В В· Fig. 1: Various magnetic cores. The magnetic hysteresis loop reveals a lot of information about the properties of core materials used in coils and transformers. They indicate how high the core power losses are, what the maximum modulation may be and gives information about the drive dependent permeability.

A magnetic hysteresis clutch comprises a rotor supporting a ferromagnetic hysteresis material and a rotary magnetic inductor capable of inducing a magnetic field in the ferromagnetic hysteresis. The magnetic inductor and the ferromagnetic hysteresis clutch is constructed so that an increase in the magnetization losses in the ferromagnetic material, which accompanies an increase in the slip The ability of hysteresis devices to withstand high temperatures for prolonged periods of operation without suffering any degradation to their magnetic structures makes them ideal for these applications, as well as environmental testing, and even applications in outer space.

Chapter 5 Magnetic hysteresis. In Chapter 4 we discussed the energies that control the state of magnetization within ferromagnetic particles. Particles will tend to find a configuration of internal magnetization directions that minimizes the energies (although meta-stable states with local energy minima or LEMs are a possibility). The longevity of a particular magnetization state has to do For 35 years, Magnetic Technologies has supplied Permanent Magnet Brakes to the wire & cable industry for wire payoff applications. As the industry moves towards automation and more precise tension control, we have developed many systems for constant tension payoff control including our latest and most sophisticated product, the PowerPro tension controlling power supply which, in conjunction

Hysteresis Definition. Hysteresis is the lagging of the magnetization of a ferromagnetic material behind the magnetizing force H. By using a graph having B-H coordinates, we can plot the hysteresis characteristics of a given ferromagnetic material. Such a curve is plotted in the following figure and called a hysteresis loop. PDF In the computation of magnetic fields for rotating electric machines, transformers, and reactors, the hysteresis nonlinearity sometimes has to be taken into account. Nowadays, many scalar

The area of the hysteresis curve gives the hysteresis loss of energy while a ferromagnetic substance is taken over a complete cycle of magnetization. The hysteresis curve gives all the information about magnetic properties of magnetic materials: permeability, susceptibility, retentivity, coercivity. Ferromagnetic materials exhibit hysteresis meaning dependence of magnetization on the history of the applied magnetic field. A ferromagnet can thus be described as exhibiting memory of its previous magnetic states. A sample of iron is comprised of domains microscopic regions in which the atomic magnets are locally aligned. These are represented in the graphic by blue arrows.

Themeasurementof themaximumvalueof magneticflux, where the wave form is unknown, is not easy, and requiredtheuse ofspecial apparatus,adescription of which hasalready beenpub- What is the Magnetic Hysteresis Loop This TECHNote addresses the measurement of ferromagnetic materials in a closed circuit magnetometer. A detailed discussion of the origin of the magnetic field and explanations of other

Effect of The dynamic Magnetic Hysteresis on the Induced Currents M. Mohammedi Electrical Department, Faculty of Science Engineering University of Skikda, Skikda , Algeria T. Bahi Electrical Department, Faculty of Science Engineering University of Annaba, Annaba, Algeria Abstract- Effect of the dynamic magnetic hysteresis on the induced currents is investigated. The process of using a magnetic field to magnetize another object is called induction. Once a magnet has been induced, it produces its own magnetic field as long as its domains are aligned. Hysteresis. Once we have induced a magnet, we can observe an interesting effect when the …

The Hysteresis Loop and Magnetic Properties . A great deal of information can be learned about the magnetic properties of a material by studying its hysteresis loop. A hysteresis loop shows the relationship between the induced magnetic flux density (B) and the magnetizing force (H).It is often referred to as the B-H loop. Themeasurementof themaximumvalueof magneticflux, where the wave form is unknown, is not easy, and requiredtheuse ofspecial apparatus,adescription of which hasalready beenpub-

What is a Hysteresis Motor? Construction & Operation

magnetic hysteresis pdf

Magnetic hysteresis up to 80 kelvin in a dysprosium. Reversal-field memory in magnetic hysteresis H. G. Katzgraber1, F. PВґ andi1 , C. R. Pike2 , Kai Liu1 , R. T. Scalettar1 , K. L. Verosub2 , G. T. ZimВґanyi1 azmВґ 1 Department of Physics, University of California, Davis, California 95616 2 Department of Geology, University of California, Davis, California 95616 (Dated: February 2, 2008) arXiv:cond-mat/0304541v1 [cond-mat.dis-nn] 24 Apr 2003 We, of hysteresis are useful in different contexts but fail to fully characterize it. In this paper, a number of different situa-tions exhibiting hysteresis are described and analyzed. The applications described are: an electronic comparator, gene regulatory network, backlash, beam in a magnetic п¬Ѓeld, a class of smart materials and inelastic springs..

Hysteresis physics Britannica.com. Magnetic hysteresis occurs when an external magnetic field is applied to a ferromagnet such as iron and the atomic dipoles align themselves with it. Even when the field is removed, part of the alignment will be retained: the material has become magnetized.Once magnetized, the …, The ability of hysteresis devices to withstand high temperatures for prolonged periods of operation without suffering any degradation to their magnetic structures makes them ideal for these applications, as well as environmental testing, and even applications in outer space..

Magnetic Domains and Hysteresis

magnetic hysteresis pdf

Magnetic Fundamentals Hysteresis. For 35 years, Magnetic Technologies has supplied Permanent Magnet Brakes to the wire & cable industry for wire payoff applications. As the industry moves towards automation and more precise tension control, we have developed many systems for constant tension payoff control including our latest and most sophisticated product, the PowerPro tension controlling power supply which, in conjunction https://fr.wikipedia.org/wiki/Hyst%C3%A9r%C3%A9sis Themeasurementof themaximumvalueof magneticflux, where the wave form is unknown, is not easy, and requiredtheuse ofspecial apparatus,adescription of which hasalready beenpub-.

magnetic hysteresis pdf


Hysteresis, lagging of the magnetization of a ferromagnetic material, such as iron, behind variations of the magnetizing field. When ferromagnetic materials are placed within a coil of wire carrying an electric current, the magnetizing field, or magnetic field strength H, caused by the current Magnetic hysteresis is an important phenomenon and refers to the irreversibility of the magnetisation and demagnetisation process. When a material shows a degree of irreversibility it is known as hysteretic.We will now explore the physics behind ferromagnetic hysteresis.

The hysteresis in medium-hard magnetic materials of the type used in recording media and the magnetizability of soft magnetic materials such as those used in recording heads are discussed. Aug 06, 2017В В· Understanding Hysteresis loop, Hysteresis Loss. In this post let us see what is meant by hysteresis loop and what is meant by hysteresis loss.... Before that it is highly recommended to read about terms related to magnetic circuits.

Magnetic hysteresis is an important phenomenon and refers to the irreversibility of the magnetisation and demagnetisation process. When a material shows a degree of irreversibility it is known as hysteretic.We will now explore the physics behind ferromagnetic hysteresis. Sep 20, 2013В В· Fig. 1: Various magnetic cores. The magnetic hysteresis loop reveals a lot of information about the properties of core materials used in coils and transformers. They indicate how high the core power losses are, what the maximum modulation may be and gives information about the drive dependent permeability.

Magnetic Hysteresis Models for Modelica Johannes Ziske, Thomas Bödrich Technische Universität Dresden, Institute of Electromechanical and Electronic Design 01062 Dresden, Germany Johannes.Ziske@tu-dresden.de Thomas.Boedrich@tu-dresden.de Abstract Modelica models for transient simulation of magnet- e. Characteristics of hard magnetic material. i. A material with a very high Br and Hc ii. It retains a strong magnetic field (makes a good permanent magnet), and is difficult to demagnetize iii. The area enclosed by the B-H curve is large, so it has high hysteresis losses or core losses iv. This material is desired for use in permanent magnets. v.

Hysteresis, lagging of the magnetization of a ferromagnetic material, such as iron, behind variations of the magnetizing field. When ferromagnetic materials are placed within a coil of wire carrying an electric current, the magnetizing field, or magnetic field strength H, caused by the current Hysteresis, lagging of the magnetization of a ferromagnetic material, such as iron, behind variations of the magnetizing field. When ferromagnetic materials are placed within a coil of wire carrying an electric current, the magnetizing field, or magnetic field strength H, caused by the current

Temperature, field and angular dependence of coercivity, magnetic interactions and magnetic phenomena are reviewed and their effect on magnetic hysteresis is discussed. The magnetic properties of novel materials are discussed, including nanoparticles, nanocrystalline granular solids, particulate media, thin films, and bulk magnets. Hysteresis Motor A Hysteresis Motor is a synchronous motor with a uniform air gap and without DC excitation. It operates both in single and three phase supply. The Torque in a Hysteresis Motor is produced due to hysteresis and eddy current induced in the rotor by …

Hysteresis When a ferromagnetic material is magnetized in one direction, it will not relax back to zero magnetization when the imposed magnetizing field is removed. It must be driven back to zero by a field in the opposite direction. If an alternating magnetic field is applied to the material, its magnetization will trace out a loop called a hysteresis loop. Hysteresis in Ferromagnetic Materials (Majority of illustrations in this lecture were generously provided by Prof. Geoffrey Beach) Today . 1. Magnetic anisotropy. 2. Transition metals: crystal structure and anisotropy. 3. Hard and easy axis. 4. Derivation of hysteresis loop for a single domain ferromagnet. 5. Coercive field vs. saturation

This book provides a comprehensive treatment of the physics of hysteresis in magnetism and of the mathematical tools used to describe it. Hysteresis in Magnetism discusses from a unified viewpoint the relationsof hysteresis to Maxwells equations, equilibrium and non-equilibrium thermodynamics, non-linear system dynamics, micromagnetics, and domain theory. The Hysteresis Loop and Magnetic Properties . A great deal of information can be learned about the magnetic properties of a material by studying its hysteresis loop. A hysteresis loop shows the relationship between the induced magnetic flux density (B) and the magnetizing force (H).It is often referred to as the B-H loop.

Hysteresis Motor A Hysteresis Motor is a synchronous motor with a uniform air gap and without DC excitation. It operates both in single and three phase supply. The Torque in a Hysteresis Motor is produced due to hysteresis and eddy current induced in the rotor by … Magnetic Hysteresis The phenomenon of flux density B lagging behind the magnetizing force H in a magnetic material is known as Magnetic Hysteresis. The word Hysteresis is derived from the Greek word Hysterein means to lag behind.

Reversal-field memory in magnetic hysteresis H. G. Katzgraber1, F. P´ andi1 , C. R. Pike2 , Kai Liu1 , R. T. Scalettar1 , K. L. Verosub2 , G. T. Zim´anyi1 azm´ 1 Department of Physics, University of California, Davis, California 95616 2 Department of Geology, University of California, Davis, California 95616 (Dated: February 2, 2008) arXiv:cond-mat/0304541v1 [cond-mat.dis-nn] 24 Apr 2003 We Magnetic Hysteresis Models for Modelica Johannes Ziske, Thomas Bödrich Technische Universität Dresden, Institute of Electromechanical and Electronic Design 01062 Dresden, Germany Johannes.Ziske@tu-dresden.de Thomas.Boedrich@tu-dresden.de Abstract Modelica models for transient simulation of magnet-

A magnetic hysteresis, otherwise known as a hysteresis loop, is a representation of the magnetizing force (H) versus the magnetic flux density (B) of a ferromagnetic material. The curvature of the hysteresis is characteristic of the type of material being observed and can vary in size and shape (i.e. narrow or wide). The ability of hysteresis devices to withstand high temperatures for prolonged periods of operation without suffering any degradation to their magnetic structures makes them ideal for these applications, as well as environmental testing, and even applications in outer space.

MOLECULAR MAGNETS Magnetic hysteresis up to 80 kelvin in

magnetic hysteresis pdf

Building magnetic hysteresis in holography SpringerLink. Hysteresis in Ferromagnetic Materials (Majority of illustrations in this lecture were generously provided by Prof. Geoffrey Beach) Today . 1. Magnetic anisotropy. 2. Transition metals: crystal structure and anisotropy. 3. Hard and easy axis. 4. Derivation of hysteresis loop for a single domain ferromagnet. 5. Coercive field vs. saturation, Magnetic Hysteresis. If a magnetic substance is magnetized in a strong magnetic field, it retains a considerable portion of magnetism after the magnetic force has been withdrawn. The phenomenon of lagging of magnetization or induction flux density behind ….

Magnetic Technologies|Electromagnetic Brakes Couplings

(PDF) Effect of the dynamic magnetic hysteresis on the. Study of magnetic hysteresis Objective: To study the magnetic hysteresis loop for a ring shaped massive iron core. Theory: Magnetism in matter: The magnetic state of a material can be described by a vector вѓ— called magnetization, or dipolar magnetic moment per unit volume., Study of magnetic hysteresis Objective: To study the magnetic hysteresis loop for a ring shaped massive iron core. Theory: Magnetism in matter: The magnetic state of a material can be described by a vector вѓ— called magnetization, or dipolar magnetic moment per unit volume..

Aug 06, 2017В В· Understanding Hysteresis loop, Hysteresis Loss. In this post let us see what is meant by hysteresis loop and what is meant by hysteresis loss.... Before that it is highly recommended to read about terms related to magnetic circuits. PDF In the computation of magnetic fields for rotating electric machines, transformers, and reactors, the hysteresis nonlinearity sometimes has to be taken into account. Nowadays, many scalar

Magnetic hysteresis occurs when an external magnetic field is applied to a ferromagnet such as iron and the atomic dipoles align themselves with it. Even when the field is removed, part of the alignment will be retained: the material has become magnetized.Once magnetized, the … Hysteresis When a ferromagnetic material is magnetized in one direction, it will not relax back to zero magnetization when the imposed magnetizing field is removed. It must be driven back to zero by a field in the opposite direction. If an alternating magnetic field is applied to the material, its magnetization will trace out a loop called a hysteresis loop.

A magnetic hysteresis, otherwise known as a hysteresis loop, is a representation of the magnetizing force (H) versus the magnetic flux density (B) of a ferromagnetic material. The curvature of the hysteresis is characteristic of the type of material being observed and can vary in size and shape (i.e. narrow or wide). The area of the hysteresis curve gives the hysteresis loss of energy while a ferromagnetic substance is taken over a complete cycle of magnetization. The hysteresis curve gives all the information about magnetic properties of magnetic materials: permeability, susceptibility, retentivity, coercivity.

PDF In the computation of magnetic fields for rotating electric machines, transformers, and reactors, the hysteresis nonlinearity sometimes has to be taken into account. Nowadays, many scalar What is the Magnetic Hysteresis Loop This TECHNote addresses the measurement of ferromagnetic materials in a closed circuit magnetometer. A detailed discussion of the origin of the magnetic field and explanations of other

As seen from above, hysteresis loop measures the energy dissipated due to hysteresis which appears in the form of heat and so raises the temperature of that portion of the magnetic cir-cuit which is subjected to magnetic reversal. The shape of the hysteresis loop depends on the nature of the magnetic material (Fig. 8.4). Loop 1 is for hard steel. of hysteresis are useful in different contexts but fail to fully characterize it. In this paper, a number of different situa-tions exhibiting hysteresis are described and analyzed. The applications described are: an electronic comparator, gene regulatory network, backlash, beam in a magnetic п¬Ѓeld, a class of smart materials and inelastic springs.

The ability of hysteresis devices to withstand high temperatures for prolonged periods of operation without suffering any degradation to their magnetic structures makes them ideal for these applications, as well as environmental testing, and even applications in outer space. The enclosed area within the hysteresis, shown in Figure 2-1, is a measure of the energy lost in the core material during that cycle. This loss is made up in two components: (1) the hysteresis loss and (2) eddy current loss. The hysteresis loss is the energy loss when the magnetic material is …

Hysteresis Definition. Hysteresis is the lagging of the magnetization of a ferromagnetic material behind the magnetizing force H. By using a graph having B-H coordinates, we can plot the hysteresis characteristics of a given ferromagnetic material. Such a curve is plotted in the following figure and called a hysteresis loop. Hysteresis Definition. Hysteresis is the lagging of the magnetization of a ferromagnetic material behind the magnetizing force H. By using a graph having B-H coordinates, we can plot the hysteresis characteristics of a given ferromagnetic material. Such a curve is plotted in the following figure and called a hysteresis loop.

Ferromagnetic materials exhibit hysteresis meaning dependence of magnetization on the history of the applied magnetic field. A ferromagnet can thus be described as exhibiting memory of its previous magnetic states. A sample of iron is comprised of domains microscopic regions in which the atomic magnets are locally aligned. These are represented in the graphic by blue arrows. Magnetic Hysteresis Models for Modelica Johannes Ziske, Thomas Bödrich Technische Universität Dresden, Institute of Electromechanical and Electronic Design 01062 Dresden, Germany Johannes.Ziske@tu-dresden.de Thomas.Boedrich@tu-dresden.de Abstract Modelica models for transient simulation of magnet-

Modeling and simulation of nonlinear magnetic hysteresis. Internal magnetic fields are present in all materials but with different intensity. In some materials the effect of the magnetic field is weak, but in ferromagnetic materials the intensity of the magnetic field is well pronounced. Hysteresis in Ferromagnetic Materials (Majority of illustrations in this lecture were generously provided by Prof. Geoffrey Beach) Today . 1. Magnetic anisotropy. 2. Transition metals: crystal structure and anisotropy. 3. Hard and easy axis. 4. Derivation of hysteresis loop for a single domain ferromagnet. 5. Coercive field vs. saturation

(PDF) Effect of the dynamic magnetic hysteresis on the

magnetic hysteresis pdf

Magnetic Hysteresis Magnetism - Physics Reference with. A magnetic hysteresis, otherwise known as a hysteresis loop, is a representation of the magnetizing force (H) versus the magnetic flux density (B) of a ferromagnetic material. The curvature of the hysteresis is characteristic of the type of material being observed and can vary in size and shape (i.e. narrow or wide)., Hysteresis Motor A Hysteresis Motor is a synchronous motor with a uniform air gap and without DC excitation. It operates both in single and three phase supply. The Torque in a Hysteresis Motor is produced due to hysteresis and eddy current induced in the rotor by ….

Magnetic Fundamentals Hysteresis

magnetic hysteresis pdf

Ferromagnetic Materials Characteristics Their Application. The process of using a magnetic field to magnetize another object is called induction. Once a magnet has been induced, it produces its own magnetic field as long as its domains are aligned. Hysteresis. Once we have induced a magnet, we can observe an interesting effect when the … https://en.wikipedia.org/wiki/Magnetic_refrigeration Hysteresis is a property of ferromagnetic materials with great applicability as a magnetic memory device. Indeed, as shown in Figure 1, when the driving magnetic field drops to zero (path ), the ferromagnetic material retains an important degree of magnetization..

magnetic hysteresis pdf


Hysteresis Motor A Hysteresis Motor is a synchronous motor with a uniform air gap and without DC excitation. It operates both in single and three phase supply. The Torque in a Hysteresis Motor is produced due to hysteresis and eddy current induced in the rotor by … within the hysteresis loop is a measure of the energy lost in the core material during that cycle. The hysteresis losses can be reduces using a magnetic material with narrow hysteresis loop [11]. The hysteresis losses can be calculated using an empirical formula given in equation (8) as 𝑃ℎ = 𝐾ℎ x V xf x 𝑎𝑥 …

The area of the hysteresis curve gives the hysteresis loss of energy while a ferromagnetic substance is taken over a complete cycle of magnetization. The hysteresis curve gives all the information about magnetic properties of magnetic materials: permeability, susceptibility, retentivity, coercivity. Magnetic Hysteresis. If a magnetic substance is magnetized in a strong magnetic field, it retains a considerable portion of magnetism after the magnetic force has been withdrawn. The phenomenon of lagging of magnetization or induction flux density behind …

The hysteresis in medium-hard magnetic materials of the type used in recording media and the magnetizability of soft magnetic materials such as those used in recording heads are discussed. Jul 26, 2019В В· Furthermore, we turn on the external magnetic field and build the hysteresis curve of magnetization and charge density. To our knowledge, this is the first holographic model realizing the hysteresis accompanied with spontaneous symmetry breaking.

A magnetic hysteresis, otherwise known as a hysteresis loop, is a representation of the magnetizing force (H) versus the magnetic flux density (B) of a ferromagnetic material. The curvature of the hysteresis is characteristic of the type of material being observed and can vary in size and shape (i.e. narrow or wide). As seen from above, hysteresis loop measures the energy dissipated due to hysteresis which appears in the form of heat and so raises the temperature of that portion of the magnetic cir-cuit which is subjected to magnetic reversal. The shape of the hysteresis loop depends on the nature of the magnetic material (Fig. 8.4). Loop 1 is for hard steel.

Hysteresis is a property of ferromagnetic materials with great applicability as a magnetic memory device. Indeed, as shown in Figure 1, when the driving magnetic field drops to zero (path ), the ferromagnetic material retains an important degree of magnetization. Ferromagnetic materials exhibit hysteresis meaning dependence of magnetization on the history of the applied magnetic field. A ferromagnet can thus be described as exhibiting memory of its previous magnetic states. A sample of iron is comprised of domains microscopic regions in which the atomic magnets are locally aligned. These are represented in the graphic by blue arrows.

Magnetic Hysteresis The phenomenon of flux density B lagging behind the magnetizing force H in a magnetic material is known as Magnetic Hysteresis. The word Hysteresis is derived from the Greek word Hysterein means to lag behind. Modeling and simulation of nonlinear magnetic hysteresis. Internal magnetic fields are present in all materials but with different intensity. In some materials the effect of the magnetic field is weak, but in ferromagnetic materials the intensity of the magnetic field is well pronounced.

Magnetic hysteresis loops evaluated for Fe 3 Si/Ge samples are shown in Fig.9.13 (a). The shapes of the loops depend on the field direction, indicating the presence of the magnetic anisotropy in the film plane. The coercivities were strongly dependent on the growth parameters, i.e., … PDF In the computation of magnetic fields for rotating electric machines, transformers, and reactors, the hysteresis nonlinearity sometimes has to be taken into account. Nowadays, many scalar

Hysteresis is the dependence of the state of a system on its history. For example, a magnet may have more than one possible magnetic moment in a given magnetic field, depending on how the field changed in the past.Plots of a single component of the moment often form a loop or hysteresis curve, where there are different values of one variable depending on the direction of change of another Effect of The dynamic Magnetic Hysteresis on the Induced Currents M. Mohammedi Electrical Department, Faculty of Science Engineering University of Skikda, Skikda , Algeria T. Bahi Electrical Department, Faculty of Science Engineering University of Annaba, Annaba, Algeria Abstract- Effect of the dynamic magnetic hysteresis on the induced currents is investigated.

A magnetic hysteresis, otherwise known as a hysteresis loop, is a representation of the magnetizing force (H) versus the magnetic flux density (B) of a ferromagnetic material. The curvature of the hysteresis is characteristic of the type of material being observed and can vary in size and shape (i.e. narrow or wide). Magnetic hysteresis loops evaluated for Fe 3 Si/Ge samples are shown in Fig.9.13 (a). The shapes of the loops depend on the field direction, indicating the presence of the magnetic anisotropy in the film plane. The coercivities were strongly dependent on the growth parameters, i.e., …

Temperature, field and angular dependence of coercivity, magnetic interactions and magnetic phenomena are reviewed and their effect on magnetic hysteresis is discussed. The magnetic properties of novel materials are discussed, including nanoparticles, nanocrystalline granular solids, particulate media, thin films, and bulk magnets. Effect of The dynamic Magnetic Hysteresis on the Induced Currents M. Mohammedi Electrical Department, Faculty of Science Engineering University of Skikda, Skikda , Algeria T. Bahi Electrical Department, Faculty of Science Engineering University of Annaba, Annaba, Algeria Abstract- Effect of the dynamic magnetic hysteresis on the induced currents is investigated.

Magnetic Hysteresis. If a magnetic substance is magnetized in a strong magnetic field, it retains a considerable portion of magnetism after the magnetic force has been withdrawn. The phenomenon of lagging of magnetization or induction flux density behind … The enclosed area within the hysteresis, shown in Figure 2-1, is a measure of the energy lost in the core material during that cycle. This loss is made up in two components: (1) the hysteresis loss and (2) eddy current loss. The hysteresis loss is the energy loss when the magnetic material is …