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Power supply

Index Power supply

A power supply is an electrical device that supplies electric power to an electrical load. [1]

88 relations: AC adapter, AC power plugs and sockets, AC/DC receiver design, Alternating current, Alternator, Ampere, Arc welding, Autotransformer, Capacitive power supply, Circuit breaker, Consumer electronics, Convection, Crowbar (circuit), Crystal growth, Current limiting, Current source, Desktop computer, Direct current, Dummy load, Duty cycle, Electric arc, Electric battery, Electric current, Electric generator, Electric power, Electric power conversion, Electric vehicle, Electrical grid, Electrical load, Electricity generation, Electron microscope, Electronic filter, Electrophoresis, Electrostatics, Energy storage, Fault (power engineering), Focused ion beam, Foldback (power supply design), Frequency, Fuel cell, Fuse (electrical), Fusible link, Galvanic isolation, Harmonics (electrical power), Heat sink, High frequency, High voltage, IEEE-488, Internal combustion engine, Isolation transformer, ..., Linear regulator, Mains electricity, Mains electricity by country, Microprocessor, Motor–generator, Noise (electronics), Paper clip, Power conditioner, Power cord, Power factor, Power good signal, Power inverter, Power strip, Printed circuit board, Rectifier, Regulated power supply, RS-232, Semiconductor, Sense (electronics), SHV connector, Single-phase electric power, Solar power, Spot welding, Standard Commands for Programmable Instruments, Switched-mode power supply, Tesla coil, Thermal conduction, Three-phase, Transformer, Uninterruptible power supply, Voltage, Voltage divider, Voltage multiplier, Voltage regulator, Voltage spike, Wireless power transfer, X-ray generator, 19-inch rack. Expand index (38 more) »

AC adapter

An AC adapter, AC/DC adapter, or AC/DC converter is a type of external power supply, often enclosed in a case similar to an AC plug.

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AC power plugs and sockets

AC power plugs and sockets are devices that allow electrically operated equipment to be connected to the primary alternating current (AC) power supply in a building.

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AC/DC receiver design

An AC/DC receiver design is a style of power supply of vacuum tube radio or television receivers that eliminated the bulky and expensive mains transformer.

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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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An alternator is an electrical generator that converts mechanical energy to electrical energy in the form of alternating current.

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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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Arc welding

Arc welding is a process that is used to join metal to metal by using electricity to create enough heat to melt metal, and the melted metals when cool result in a binding of the metals.

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An Auto-transformer (sometimes called auto-step down transformer) is an electrical transformer with only one winding.

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Capacitive power supply

A capacitive power supply, also called a capacitive dropper, is a type of power supply that uses the capacitive reactance of a capacitor to reduce the mains voltage to a lower voltage.

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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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Consumer electronics

Consumer electronics or home electronics are electronic (analog or digital) equipments intended for everyday use, typically in private homes.

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Convection is the heat transfer due to bulk movement of molecules within fluids such as gases and liquids, including molten rock (rheid).

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Crowbar (circuit)

A crowbar circuit is an electrical circuit used to prevent an overvoltage condition of a power supply unit from damaging the circuits attached to the power supply.

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Crystal growth

Crystal growth is the process where a pre-existing crystal becomes larger as more molecules or ions add in their positions in the crystal lattice.

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Current limiting

Current limiting is the practice in electrical or electronic circuits of imposing an upper limit on the current that may be delivered to a load with the purpose of protecting the circuit generating or transmitting the current from harmful effects due to a short-circuit or similar problem in the load.

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Current source

A current source is an electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it.

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Desktop computer

A desktop computer is a personal computer designed for regular use at a single location on or near a desk or table due to its size and power requirements.

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Direct current

Direct current (DC) is the unidirectional flow of electric charge.

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Dummy load

A dummy load is a device used to simulate an electrical load, usually for testing purposes.

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Duty cycle

A duty cycle is the fraction of one period in which a signal or system is active.

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Electric arc

An electric arc, or arc discharge, is an electrical breakdown of a gas that produces an ongoing electrical discharge.

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Electric battery

An electric battery is a device consisting of one or more electrochemical cells with external connections provided to power electrical devices such as flashlights, smartphones, and electric cars.

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Electric current

An electric current is a flow of electric charge.

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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 power

Electric power is the rate, per unit time, at which electrical energy is transferred by an electric circuit.

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Electric power conversion

In electrical engineering, power engineering, and the electric power industry, power conversion is converting electric energy from one form to another such as converting between AC and DC; or changing the voltage or frequency; or some combination of these.

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Electric vehicle

An electric vehicle, also called an EV, uses one or more electric motors or traction motors for propulsion.

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Electrical grid

An electrical grid is an interconnected network for delivering electricity from producers to consumers.

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Electrical load

An electrical load is an electrical component or portion of a circuit that consumes (active) electric power.

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Electricity generation

Electricity generation is the process of generating electric power from sources of primary energy.

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Electron microscope

An electron microscope is a microscope that uses a beam of accelerated electrons as a source of illumination.

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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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Electrophoresis (from the Greek "Ηλεκτροφόρηση" meaning "to bear electrons") is the motion of dispersed particles relative to a fluid under the influence of a spatially uniform electric field.

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Electrostatics is a branch of physics that studies electric charges at rest.

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Energy storage

Energy storage is the capture of energy produced at one time for use at a later time.

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Fault (power engineering)

In an electric power system, a fault or fault current is any abnormal electric current.

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Focused ion beam

Focused ion beam, also known as FIB, is a technique used particularly in the semiconductor industry, materials science and increasingly in the biological field for site-specific analysis, deposition, and ablation of materials.

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Foldback (power supply design)

Foldback is a current limiting feature (a type of overload protection) of power supplies and power amplifiers.

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Frequency is the number of occurrences of a repeating event per unit of time.

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Fuel cell

A fuel cell is an electrochemical cell that converts the chemical energy from a fuel into electricity through an electrochemical reaction of hydrogen fuel with oxygen or another oxidizing agent.

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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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Fusible link

Fusible links include mechanical and electrical devices.

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Galvanic isolation

Galvanic isolation is a principle of isolating functional sections of electrical systems to prevent current flow; no direct conduction path is permitted.

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Harmonics (electrical power)

Harmonic is multiple of the fundamental frequency and it can be voltage and current in an electric power system are a result of non-linear electric loads.

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Heat sink

A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature at optimal levels.

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High frequency

High frequency (HF) is the ITU designation for the range of radio frequency electromagnetic waves (radio waves) between 3 and 30 megahertz (MHz).

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High voltage

The term high voltage usually means electrical energy at voltages high enough to inflict harm on living organisms.

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IEEE 488 is a short-range digital communications 8-bit parallel multi-master interface bus specification.

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Internal combustion engine

An internal combustion engine (ICE) is a heat engine where the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

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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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Linear regulator

In electronics, a linear regulator is a system used to maintain a steady voltage.

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Mains electricity

Mains electricity (as it is known in the UK; US terms include grid power, wall power, and domestic power) is the general-purpose alternating-current (AC) electric power supply.

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Mains electricity by country

Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to appliances, equipment, and lighting typically found in homes and offices.

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A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single integrated circuit (IC), or at most a few integrated circuits.

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A motor–generator (an M–G set) is a device for converting electrical power to another form.

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Noise (electronics)

In electronics, noise is an unwanted disturbance in an electrical signal.

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Paper clip

A paper clip (or sometimes paperclip) is a device used to hold sheets of paper together, usually made of steel wire bent to a looped shape.

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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 cord

A power cord, line cord, or mains cable is an electrical cable that temporarily connects an appliance to the mains electricity supply via a wall socket or extension cord.

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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 good signal

The Power Good signal (power-good) prevents a computer from attempting to operate on improper voltages and damaging itself by alerting it to improper power supply.

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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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Power strip

A power strip (also known as an extension block, power board, power bar, plug board, trailing gang, trailing socket, plug bar, trailer lead, multi-socket, multi-box, multiple socket, multiple outlet, polysocket and by many other variations) is a block of electrical sockets that attaches to the end of a flexible cable (typically with a mains plug on the other end), allowing multiple electrical devices to be powered from a single electrical socket.

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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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A rectifier is an electrical device that converts alternating current (AC), which periodically reverses direction, to direct current (DC), which flows in only one direction.

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Regulated power supply

A regulated power supply is an embedded circuit; it converts unregulated AC into a constant DC.

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In telecommunications, RS-232, Recommended Standard 232 is a standard introduced in 1960 for serial communication transmission of data.

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A semiconductor material has an electrical conductivity value falling between that of a conductor – such as copper, gold etc.

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Sense (electronics)

In electronics, sense is a technique used in power supplies to produce the correct voltage for a load.

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SHV connector

The SHV (safe high voltage) connector is a type of RF connector used for terminating a coaxial cable.

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Single-phase electric power

In electrical engineering, single-phase electric power is the distribution of alternating current electric power using a system in which all the voltages of the supply vary in unison.

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Solar power

Solar power is the conversion of energy from sunlight into electricity, either directly using photovoltaics (PV), indirectly using concentrated solar power, or a combination.

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Spot welding

Resistance spot welding (RSW) is a process in which contacting metal surface points are joined by the heat obtained from resistance to electric current.

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Standard Commands for Programmable Instruments

The Standard Commands for Programmable Instruments (SCPI; often pronounced "skippy") defines a standard for syntax and commands to use in controlling programmable test and measurement devices, such as automatic test equipment and electronic test equipment.

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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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Tesla coil

A Tesla coil is an electrical resonant transformer circuit designed by inventor Nikola Tesla in 1891.

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Thermal conduction

Thermal conduction is the transfer of heat (internal energy) by microscopic collisions of particles and movement of electrons within a body.

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In electrical engineering, three-phase electric power systems have at least three conductors carrying alternating current voltages that are offset in time by one-third of the period.

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A transformer is a static electrical device that transfers electrical energy between two or more circuits through electromagnetic induction.

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Uninterruptible power supply

An uninterruptible power supply or uninterruptible power source (UPS) is an electrical apparatus that provides emergency power to a load when the input power source or mains power fails.

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Voltage, electric potential difference, electric pressure or electric tension (formally denoted or, but more often simply as V or U, for instance in the context of Ohm's or Kirchhoff's circuit laws) is the difference in electric potential between two points.

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Voltage divider

In electronics, a voltage divider (also known as a potential divider) is a passive linear circuit that produces an output voltage (Vout) that is a fraction of its input voltage (Vin).

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Voltage multiplier

Villard cascade voltage multiplier. A voltage multiplier is an electrical circuit that converts AC electrical power from a lower voltage to a higher DC voltage, typically using a network of capacitors and diodes.

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Voltage regulator

A voltage regulator is an electronic circuit that provides a stable DC voltage independent of the load current, temperature and AC line voltage variations.

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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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Wireless power transfer

Wireless power transfer (WPT), wireless power transmission, wireless energy transmission, or electromagnetic power transfer is the transmission of electrical energy without wires as a physical link.

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X-ray generator

An X-ray generator is a device that produces X-rays.

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19-inch rack

A 19-inch rack is a standardized frame or enclosure for mounting multiple electronic equipment modules.

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[1] https://en.wikipedia.org/wiki/Power_supply

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