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65 relations: Alternating current, Ampere, Bimetallic strip, Brush (electric), Brushless DC electric motor, Chopper (electronics), Circuit breaker, Commutator (electric), Contactor, Counter-electromotive force, DC motor, Direct current, Dynamo, Earthing system, Electric locomotive, Electric motor, Electrical breakdown, Electromotive force, Electronic filter, Excitation (magnetic), Field coil, Fleming's left-hand rule for motors, Fuse (electrical), Halbach array, Inductance, Induction motor, Isolation transformer, Locomotive, Locomotive wheelslip, Magnet, Magnetic field, Magnetic flux, Mercury-arc valve, Motor controller, Motor-CAD, Motor–generator, Neodymium magnet, Newton metre, Omega, Overcurrent, Paper machine, Permanent magnet synchronous generator, Power conditioner, Power electronics, Power inverter, Pulse-width modulation, Rail transport, Relay, Revolutions per minute, Short circuit, ..., Shunt (electrical), Singly-fed electric machine, Speed, Surge arrester, Synchronous motor, Thyristor, Torque, Traction motor, Tram, Transistor, Universal motor, Volt, Voltage spike, Ward Leonard control, Weber (unit). Expand index (15 more) »
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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Ampere
The ampere (symbol: A), often shortened to "amp",SI supports only the use of symbols and deprecates the use of abbreviations for units.
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Bimetallic strip
A bimetallic strip is used to convert a temperature change into mechanical displacement.
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Brush (electric)
A brush is a device which conducts current between stationary wires and moving parts, most commonly in a rotating shaft.
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Brushless DC electric motor
Brushless DC electric motor (BLDC motors, BL motors) also known as electronically commutated motors (ECMs, EC motors), or synchronous DC motors, are synchronous motors powered by DC electricity via an inverter or switching power supply which produces an AC electric current to drive each phase of the motor via a closed loop controller.
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Chopper (electronics)
In electronics, a chopper circuit is used to refer to numerous types of electronic switching devices and circuits used in power control and signal applications.
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Circuit breaker
A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by excess current from an overload or short circuit.
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Commutator (electric)
A commutator is a rotary electrical switch in certain types of electric motors and electrical generators that periodically reverses the current direction between the rotor and the external circuit.
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Contactor
A contactor is an electrically-controlled switch (relay) used for switching an electrical power circuit.
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Counter-electromotive force
Counter-electromotive force (abbreviated counter EMF or simply CEMF),Graf, "counterelectromotive force", Dictionary of Electronics also known as back electromotive force (or back EMF), is the electromotive force or "voltage" that opposes the change in current which induced it.
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DC motor
A DC motor is any of a class of rotary electrical machines that converts direct current electrical energy into mechanical energy.
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Direct current
Direct current (DC) is the unidirectional flow of electric charge.
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Dynamo
A dynamo is an electrical generator that creates direct current using a commutator.
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Earthing system
In an electrical installation an earthing system or grounding system connects specific parts of that installation with the Earth's conductive surface for safety and functional purposes.
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Electric locomotive
An electric locomotive is a locomotive powered by electricity from overhead lines, a third rail or on-board energy storage such as a battery or a supercapacitor.
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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 breakdown
Electrical breakdown or dielectric breakdown is when current flows through an electrical insulator when the voltage applied across it exceeds the breakdown voltage.
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Electromotive force
Electromotive force, abbreviated emf (denoted \mathcal and measured in volts), is the electrical intensity or "pressure" developed by a source of electrical energy such as a battery or generator.
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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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Excitation (magnetic)
An electric generator or electric motor consists of a rotor spinning in a magnetic field.
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Field coil
A field coil is an electromagnet used to generate a magnetic field in an electro-magnetic machine, typically a rotating electrical machine such as a motor or generator.
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Fleming's left-hand rule for motors
Fleming's left-hand rule for motors is one of a pair of visual mnemonics, the other being Fleming's right-hand rule (for generators).
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Fuse (electrical)
In electronics and electrical engineering, a fuse is an electrical safety device that operates to provide overcurrent protection of an electrical circuit.
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Halbach array
A Halbach array is a special arrangement of permanent magnets that augments the magnetic field on one side of the array while cancelling the field to near zero on the other side.
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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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Induction motor
An induction motor or asynchronous motor is an AC electric motor in which the electric current in the rotor needed to produce torque is obtained by electromagnetic induction from the magnetic field of the stator winding.
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Isolation transformer
An isolation transformer is a transformer used to transfer electrical power from a source of alternating current (AC) power to some equipment or device while isolating the powered device from the power source, usually for safety reasons.
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Locomotive
A locomotive or engine is a rail transport vehicle that provides the motive power for a train.
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Locomotive wheelslip
Locomotive wheelslip is an event that affects railway motive power usually when starting from stationary, but can also affect an engine in motion.
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Magnet
A magnet is a material or object that produces a magnetic field.
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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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Mercury-arc valve
A mercury-arc valve or mercury-vapor rectifier or (UK) mercury-arc rectifier is a type of electrical rectifier used for converting high-voltage or high-current alternating current (AC) into direct current (DC).
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Motor controller
A motor controller is a device or group of devices that serves to govern in some predetermined manner the performance of an electric motor.
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Motor-CAD
Motor-CAD is an Electromagnetic and Thermal analysis package for electric motors and generators, developed and sold by Motor Design Ltd.
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Motor–generator
A motor–generator (an M–G set) is a device for converting electrical power to another form.
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Neodymium magnet
A neodymium magnet (also known as NdFeB, NIB or Neo magnet), the most widely used type of rare-earth magnet, is a permanent magnet made from an alloy of neodymium, iron and boron to form the Nd2Fe14B tetragonal crystalline structure.
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Newton metre
The newton metre (also newton-metre, symbol N m or N⋅m) is a unit of torque (also called "moment") in the SI system.
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Omega
Omega (capital: Ω, lowercase: ω; Greek ὦ, later ὦ μέγα, Modern Greek ωμέγα) is the 24th and last letter of the Greek alphabet.
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Overcurrent
In an electric power system, overcurrent or excess current is a situation where a larger than intended electric current exists through a conductor, leading to excessive generation of heat, and the risk of fire or damage to equipment.
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Paper machine
A paper machine (or paper-making machine) is an industrial machine used in the Pulp and paper industry to create paper in large quantities at high speed.
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Permanent magnet synchronous generator
A permanent magnet synchronous generator is a generator where the excitation field is provided by a permanent magnet instead of a coil.
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Power conditioner
A power conditioner (also known as a line conditioner or power line conditioner) is a device intended to improve the quality of the power that is delivered to electrical load equipment.
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Power electronics
Power electronics is the application of solid-state electronics to the control and conversion of electric power.
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Power inverter
A power inverter, or inverter, is an electronic device or circuitry that changes direct current (DC) to alternating current (AC).
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Pulse-width modulation
Pulse-width modulation (PWM), or pulse-duration modulation (PDM), is a modulation technique used to encode a message into a pulsing signal.
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Rail transport
Rail transport is a means of transferring of passengers and goods on wheeled vehicles running on rails, also known as tracks.
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Relay
A relay is an electrically operated switch.
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Revolutions per minute
Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is the number of turns in one minute.
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Short circuit
A short circuit (sometimes abbreviated to short or s/c) is an electrical circuit that allows a current to travel along an unintended path with no or a very low electrical impedance.
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Shunt (electrical)
In electronics, a shunt is a device which allows electric current to pass around another point in the circuit by creating a low resistance path.
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Singly-fed electric machine
Singly-fed electric machine is a broad term which covers ordinary electric motors and electric generators.
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Speed
In everyday use and in kinematics, the speed of an object is the magnitude of its velocity (the rate of change of its position); it is thus a scalar quantity.
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Surge arrester
A surge arrester is a device to protect electrical equipment from over-voltage transients caused by external (lightning) or internal (switching) events.
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Synchronous motor
A synchronous electric motor is an AC motor in which, at steady state, the rotation of the shaft is synchronized with the frequency of the supply current; the rotation period is exactly equal to an integral number of AC cycles.
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Thyristor
A thyristor is a solid-state semiconductor device with four layers of alternating P- and N-type materials.
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Torque
Torque, moment, or moment of force is rotational force.
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Traction motor
A traction motor is an electric motor used for propulsion of a vehicle, such as an electric locomotive or electric roadway vehicle.
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Tram
A tram (also tramcar; and in North America streetcar, trolley or trolley car) is a rail vehicle which runs on tramway tracks along public urban streets, and also sometimes on a segregated right of way.
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Transistor
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power.
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Universal motor
The universal motor is a type of electric motor that can operate on either AC or DC power.
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Volt
The volt (symbol: V) is the derived unit for electric potential, electric potential difference (voltage), and electromotive force.
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Voltage spike
In electrical engineering, spikes are fast, short duration electrical transients in voltage (voltage spikes), current (current spikes), or transferred energy (energy spikes) in an electrical circuit.
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Ward Leonard control
Ward Leonard control, also known as the Ward Leonard drive system, was a widely used DC motor speed control system introduced by Harry Ward Leonard in 1891.
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Weber (unit)
In physics, the weber (symbol: Wb) is the SI unit of magnetic flux.
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References
[1] https://en.wikipedia.org/wiki/Brushed_DC_electric_motor
