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100 relations: AC motor, Allotropes of iron, Alternating current, Alternator, Amorphous metal, Ampère's circuital law, Anisotropy, Annealing (metallurgy), Atmosphere of Earth, Audio power amplifier, Balun, Bobbin, Carbonyl iron, Coercivity, Copper, Dielectric loss, Direct current, Domain wall (magnetism), Doughnut, Eddy current, Electric generator, Electric motor, Electrical resistivity and conductivity, Electrical steel, Electromagnet, Electromagnetic coil, Electromagnetic induction, Electromagnetic interference, Electromagnetic shielding, Electromechanics, Electronic filter, Energy conversion efficiency, Exploded-view drawing, Ferrimagnetism, Ferrite (magnet), Ferromagnetism, Frequency, Heat, Heat treating, Hysteresis, Inductance, Inductor, Insulator (electricity), Iron, Joule heating, Lamination, LC circuit, Letter (alphabet), Linearity, Loading coil, ..., Magnetic core, Magnetic domain, Magnetic field, Magnetic flux, Magnetism, Magnetization, Magnetostriction, Mains hum, Mass production, Metglas, Molybdenum, Mu-metal, Murata Manufacturing, Nanocrystalline material, Nickel, Niobium, Noise, Permalloy, Permeability (electromagnetism), Phase-fired controller, Pole piece, Power (physics), Power factor, Power supply, Power-to-weight ratio, Printed circuit board, Proximity effect (electromagnetism), Q factor, Radiation, Radio, Radio frequency, Recording head, Resin, Sans-serif, Saturation (magnetic), Screw thread, Sendust, Silicon, Sintering, Sphere, Supermalloy, Switched-mode power supply, Symmetry, Temperature, Tesla (unit), Toroid, Toroidal inductors and transformers, Transformer, Volume, Wax. Expand index (50 more) »
AC motor
An AC motor is an electric motor driven by an alternating current (AC).
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Allotropes of iron
Iron represents perhaps the best-known example for allotropy in a metal.
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Alternating current
Alternating current (AC) is an electric current which periodically reverses direction, in contrast to direct current (DC) which flows only in one direction.
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Alternator
An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current.
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Amorphous metal
An amorphous metal (also known as metallic glass or glassy metal) is a solid metallic material, usually an alloy, with a disordered atomic-scale structure.
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Ampère's circuital law
In classical electromagnetism, Ampère's circuital law (not to be confused with Ampère's force law that André-Marie Ampère discovered in 1823) relates the integrated magnetic field around a closed loop to the electric current passing through the loop.
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Anisotropy
Anisotropy, is the property of being directionally dependent, which implies different properties in different directions, as opposed to isotropy.
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Annealing (metallurgy)
Annealing, in metallurgy and materials science, is a heat treatment that alters the physical and sometimes chemical properties of a material to increase its ductility and reduce its hardness, making it more workable.
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Atmosphere of Earth
The atmosphere of Earth is the layer of gases, commonly known as air, that surrounds the planet Earth and is retained by Earth's gravity.
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Audio power amplifier
An audio power amplifier (or power amp) is an electronic amplifier that reproduces low-power electronic audio signals such as the signal from radio receiver or electric guitar pickup at a level that is strong enough for driving (or powering) loudspeakers or headphones.
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Balun
A balun (for balanced to unbalanced) is an electrical device that converts between a balanced signal (two signals working against each other where ground is irrelevant) and an unbalanced signal (a single signal working against ground or pseudo-ground).
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Bobbin
A bobbin is a spindle or cylinder, with or without flanges, on which wire, yarn, thread or film is wound.
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Carbonyl iron
Carbonyl iron is a highly pure (97.5% for grade S, 99.5+% for grade R) iron, prepared by chemical decomposition of purified iron pentacarbonyl.
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Coercivity
In electrical engineering and materials science, the coercivity, also called the magnetic coercivity, coercive field or coercive force, is a measure of the ability of a ferromagnetic material to withstand an external magnetic field without becoming demagnetized.
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Copper
Copper is a chemical element with symbol Cu (from cuprum) and atomic number 29.
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Dielectric loss
Dielectric loss quantifies a dielectric material's inherent dissipation of electromagnetic energy (e.g. heat).
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Direct current
Direct current (DC) is the unidirectional flow of electric charge.
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Domain wall (magnetism)
A domain wall is a term used in physics which can have similar meanings in magnetism, optics, or string theory.
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Doughnut
A doughnut or donut (both: or; see etymology section) is a type of fried dough confection or dessert food.
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Eddy current
Eddy currents (also called Foucault currents) are loops of electrical current induced within conductors by a changing magnetic field in the conductor due to Faraday's law of induction.
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Electric generator
In electricity generation, a generator is a device that converts motive power (mechanical energy) into electrical power for use in an external circuit.
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Electric motor
An electric motor is an electrical machine that converts electrical energy into mechanical energy.
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Electrical resistivity and conductivity
Electrical resistivity (also known as resistivity, specific electrical resistance, or volume resistivity) is a fundamental property that quantifies how strongly a given material opposes the flow of electric current.
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Electrical steel
Electrical steel (lamination steel, silicon electrical steel, silicon steel, relay steel, transformer steel) is a special steel tailored to produce specific magnetic properties: small hysteresis area resulting in low power loss per cycle, low core loss, and high permeability.
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Electromagnet
An electromagnet is a type of magnet in which the magnetic field is produced by an electric current.
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Electromagnetic coil
An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil, spiral or helix.
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Electromagnetic induction
Electromagnetic or magnetic induction is the production of an electromotive force (i.e., voltage) across an electrical conductor in a changing magnetic field.
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Electromagnetic interference
Electromagnetic interference (EMI), also called radio-frequency interference (RFI) when in the radio frequency spectrum, is a disturbance generated by an external source that affects an electrical circuit by electromagnetic induction, electrostatic coupling, or conduction.
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Electromagnetic shielding
Electromagnetic shielding is the practice of reducing the electromagnetic field in a space by blocking the field with barriers made of conductive or magnetic materials.
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Electromechanics
In engineering, electromechanics combines processes and procedures drawn from electrical engineering and mechanical engineering.
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Electronic filter
Electronic filters are circuits which perform signal processing functions, specifically to remove unwanted frequency components from the signal, to enhance wanted ones, or both.
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Energy conversion efficiency
Energy conversion efficiency (η) is the ratio between the useful output of an energy conversion machine and the input, in energy terms.
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Exploded-view drawing
An exploded view drawing is a diagram, picture, schematic or technical drawing of an object, that shows the relationship or order of assembly of various parts.
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Ferrimagnetism
In physics, a ferrimagnetic material is one that has populations of atoms with opposing magnetic moments, as in antiferromagnetism; however, in ferrimagnetic materials, the opposing moments are unequal and a spontaneous magnetization remains.
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Ferrite (magnet)
A ferrite is a ceramic material made by mixing and firing large proportions iron(III) oxide (Fe2O3, rust) blended with small proportions of one or more additional metallic elements, such as barium, manganese, nickel, and zinc.
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Ferromagnetism
Ferromagnetism is the basic mechanism by which certain materials (such as iron) form permanent magnets, or are attracted to magnets.
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Frequency
Frequency is the number of occurrences of a repeating event per unit of time.
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Heat
In thermodynamics, heat is energy transferred from one system to another as a result of thermal interactions.
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Heat treating
Heat treating (or heat treatment) is a group of industrial and metalworking processes used to alter the physical, and sometimes chemical, properties of a material.
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Hysteresis
Hysteresis is the dependence of the state of a system on its history.
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Inductance
In electromagnetism and electronics, inductance is the property of an electrical conductor by which a change in electric current through it induces an electromotive force (voltage) in the conductor.
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Inductor
An inductor, also called a coil, choke or reactor, is a passive two-terminal electrical component that stores energy in a magnetic field when electric current flows through it.
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Insulator (electricity)
An electrical insulator is a material whose internal electric charges do not flow freely; very little electric current will flow through it under the influence of an electric field.
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Iron
Iron is a chemical element with symbol Fe (from ferrum) and atomic number 26.
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Joule heating
Joule heating, also known as Ohmic heating and resistive heating, is the process by which the passage of an electric current through a conductor produces heat.
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Lamination
Lamination is the technique of manufacturing a material in multiple layers, so that the composite material achieves improved strength, stability, sound insulation, appearance or other properties from the use of differing materials.
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LC circuit
An LC circuit, also called a resonant circuit, tank circuit, or tuned circuit, is an electric circuit consisting of an inductor, represented by the letter L, and a capacitor, represented by the letter C, connected together.
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Letter (alphabet)
A letter is a grapheme (written character) in an alphabetic system of writing.
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Linearity
Linearity is the property of a mathematical relationship or function which means that it can be graphically represented as a straight line.
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Loading coil
A loading coil or load coil is an inductor that is inserted into an electronic circuit to increase its inductance.
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Magnetic core
A magnetic core is a piece of magnetic material with a high magnetic permeability used to confine and guide magnetic fields in electrical, electromechanical and magnetic devices such as electromagnets, transformers, electric motors, generators, inductors, magnetic recording heads, and magnetic assemblies.
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Magnetic domain
A magnetic domain is a region within a magnetic material in which the magnetization is in a uniform direction.
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Magnetic field
A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.
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Magnetic flux
In physics, specifically electromagnetism, the magnetic flux (often denoted or) through a surface is the surface integral of the normal component of the magnetic field B passing through that surface.
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Magnetism
Magnetism is a class of physical phenomena that are mediated by magnetic fields.
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Magnetization
In classical electromagnetism, magnetization or magnetic polarization is the vector field that expresses the density of permanent or induced magnetic dipole moments in a magnetic material.
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Magnetostriction
Magnetostriction (cf. electrostriction) is a property of ferromagnetic materials that causes them to change their shape or dimensions during the process of magnetization.
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Mains hum
Mains hum, electric hum, or power line hum is a sound associated with alternating current at the frequency of the mains electricity.
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Mass production
Mass production, also known as flow production or continuous production, is the production of large amounts of standardized products, including and especially on assembly lines.
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Metglas
Metglas is a thin amorphous metal alloy ribbon produced by using rapid solidification process of approximately.
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Molybdenum
Molybdenum is a chemical element with symbol Mo and atomic number 42.
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Mu-metal
Mu-metal is a nickel–iron soft ferromagnetic alloy with very high permeability, which is used for shielding sensitive electronic equipment against static or low-frequency magnetic fields.
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Murata Manufacturing
is a Japanese manufacturer of electronic components, based in Nagaokakyo, Kyoto.
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Nanocrystalline material
A nanocrystalline (NC) material is a polycrystalline material with a crystallite size of only a few nanometers.
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Nickel
Nickel is a chemical element with symbol Ni and atomic number 28.
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Niobium
Niobium, formerly known as columbium, is a chemical element with symbol Nb (formerly Cb) and atomic number 41.
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Noise
Noise is unwanted sound judged to be unpleasant, loud or disruptive to hearing.
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Permalloy
Permalloy is a nickel–iron magnetic alloy, with about 80% nickel and 20% iron content.
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Permeability (electromagnetism)
In electromagnetism, permeability is the measure of the ability of a material to support the formation of a magnetic field within itself.
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Phase-fired controller
Phase-fired control (PFC), also called phase cutting or "phase angle control", is a method for power limiting, applied to AC voltages.
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Pole piece
A pole piece is a structure composed of material of high magnetic permeability that serves to direct the magnetic field produced by a magnet.
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Power (physics)
In physics, power is the rate of doing work, the amount of energy transferred per unit time.
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Power factor
In electrical engineering, the power factor of an AC electrical power system is defined as the ratio of the real power flowing to the load to the apparent power in the circuit, and is a dimensionless number in the closed interval of −1 to 1.
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Power supply
A power supply is an electrical device that supplies electric power to an electrical load.
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Power-to-weight ratio
Power-to-weight ratio (or specific power or power-to-mass ratio) is a calculation commonly applied to engines and mobile power sources to enable the comparison of one unit or design to another.
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Printed circuit board
A printed circuit board (PCB) mechanically supports and electrically connects electronic components or electrical components using conductive tracks, pads and other features etched from one or more sheet layers of copper laminated onto and/or between sheet layers of a non-conductive substrate.
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Proximity effect (electromagnetism)
In a conductor carrying alternating current, if currents are flowing through one or more other nearby conductors, such as within a closely wound coil of wire, the distribution of current within the first conductor will be constrained to smaller regions.
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Q factor
In physics and engineering the quality factor or Q factor is a dimensionless parameter that describes how underdamped an oscillator or resonator is, and characterizes a resonator's bandwidth relative to its centre frequency.
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Radiation
In physics, radiation is the emission or transmission of energy in the form of waves or particles through space or through a material medium.
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Radio
Radio is the technology of using radio waves to carry information, such as sound, by systematically modulating properties of electromagnetic energy waves transmitted through space, such as their amplitude, frequency, phase, or pulse width.
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Radio frequency
Radio frequency (RF) refers to oscillatory change in voltage or current in a circuit, waveguide or transmission line in the range extending from around twenty thousand times per second to around three hundred billion times per second, roughly between the upper limit of audio and the lower limit of infrared.
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Recording head
A recording head is the physical interface between a recording apparatus and a moving recording medium.
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Resin
In polymer chemistry and materials science, resin is a "solid or highly viscous substance" of plant or synthetic origin that is typically convertible into polymers.
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Sans-serif
In typography and lettering, a sans-serif, sans serif, gothic, or simply sans letterform is one that does not have extending features called "serifs" at the end of strokes.
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Saturation (magnetic)
Seen in some magnetic materials, saturation is the state reached when an increase in applied external magnetic field H cannot increase the magnetization of the material further, so the total magnetic flux density B more or less levels off.
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Screw thread
A screw thread, often shortened to thread, is a helical structure used to convert between rotational and linear movement or force.
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Sendust
Sendust is a magnetic metal powder that was invented by Hakaru Masumoto at Tohoku Imperial University in Sendai, Japan, about 1936 as an alternative to permalloy in inductor applications for telephone networks.
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Silicon
Silicon is a chemical element with symbol Si and atomic number 14.
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Sintering
Clinker nodules produced by sintering Sintering is the process of compacting and forming a solid mass of material by heat or pressure without melting it to the point of liquefaction.
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Sphere
A sphere (from Greek σφαῖρα — sphaira, "globe, ball") is a perfectly round geometrical object in three-dimensional space that is the surface of a completely round ball (viz., analogous to the circular objects in two dimensions, where a "circle" circumscribes its "disk").
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Supermalloy
Supermalloy is an alloy composed of nickel (75%), iron (20%), and molybdenum (5%).
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Switched-mode power supply
A switched-mode power supply (switching-mode power supply, switch-mode power supply, switched power supply, SMPS, or switcher) is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.
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Symmetry
Symmetry (from Greek συμμετρία symmetria "agreement in dimensions, due proportion, arrangement") in everyday language refers to a sense of harmonious and beautiful proportion and balance.
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Temperature
Temperature is a physical quantity expressing hot and cold.
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Tesla (unit)
The tesla (symbol T) is a derived unit of magnetic flux density (informally, magnetic field strength) in the International System of Units.
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Toroid
In mathematics, a toroid is a surface of revolution with a hole in the middle, like a doughnut, forming a solid body.
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Toroidal inductors and transformers
Toroidal inductors and transformers are inductors and transformers which use magnetic cores with a toroidal (ring or donut) shape.
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Transformer
A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.
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Volume
Volume is the quantity of three-dimensional space enclosed by a closed surface, for example, the space that a substance (solid, liquid, gas, or plasma) or shape occupies or contains.
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Wax
Waxes are a diverse class of organic compounds that are lipophilic, malleable solids near ambient temperatures.
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Air-cored, Core loss, Core losses, Laminated core, Magnetic cores, Powdered core, Soft iron, Soft iron core.
References
[1] https://en.wikipedia.org/wiki/Magnetic_core
