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82 relations: AC power, Alternating current, Ammeter, Boost converter, Buck converter, Buck–boost converter, Canada, Capacitor, Contactor, Crest factor, Delta-wye transformer, Dimensionless quantity, Diode bridge, Eddy current, Electric arc furnace, Electric field, Electric motor, Electric power transmission, Electrical ballast, Electrical engineering, Electrical load, Electrical network, Electrical reactance, Electrical substation, Electronic filter, Energy Star, European Union, Fluorescent lamp, Ground and neutral, Harmonic, Harmonics (electrical power), High voltage, High-voltage direct current, IEC 61000-3-2, Induction motor, Inductor, Institute of Electrical and Electronics Engineers, International Bureau of Weights and Measures, International System of Units, Interval (mathematics), Ireland, Joule heating, Linearity, Magnetic field, Mains electricity, Multimeter, Nonlinear system, Overvoltage, PDF, Phase (waves), ..., Phase angle, Physical quantity, Power (physics), Power electronics, Power supply unit (computer), Ratio, Rectifier, Root mean square, Sine wave, Solenoid, Static synchronous compensator, Static VAR compensator, Steel mill, Switched-mode power supply, Switzerland, Synchronous condenser, Synchronous motor, Three-phase electric power, Thyristor, Total harmonic distortion, Trigonometric functions, United States Environmental Protection Agency, Utility frequency, Valley-fill circuit, Vienna rectifier, Volt-ampere, Volt-ampere reactive, Voltage, Watt, Wattmeter, Welding, 80 Plus. Expand index (32 more) »
AC power
Power in an electric circuit is the rate of flow of energy past a given point of the circuit.
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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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Ammeter
An ammeter (from Ampere Meter) is a measuring instrument used to measure the current in a circuit.
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Boost converter
A boost converter (step-up converter) is a DC-to-DC power converter that steps up voltage (while stepping down current) from its input (supply) to its output (load).
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Buck converter
A buck converter (step-down converter) is a DC-to-DC power converter which steps down voltage (while stepping up current) from its input (supply) to its output (load).
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Buck–boost converter
The buck–boost converter is a type of DC-to-DC converter that has an output voltage magnitude that is either greater than or less than the input voltage magnitude.
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Canada
Canada is a country located in the northern part of North America.
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Capacitor
A capacitor is a passive two-terminal electrical component that stores potential energy in an electric field.
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Contactor
A contactor is an electrically-controlled switch (relay) used for switching an electrical power circuit.
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Crest factor
Crest factor is a parameter of a waveform, such as alternating current or sound, showing the ratio of peak values to the effective value.
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Delta-wye transformer
A delta-wye transformer is a type of three-phase electric power transformer design that employs delta-connected windings on its primary and wye/star connected windings on its secondary.
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Dimensionless quantity
In dimensional analysis, a dimensionless quantity is a quantity to which no physical dimension is assigned.
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Diode bridge
A diode bridge is an arrangement of four (or more) diodes in a bridge circuit configuration that provides the same polarity of output for either polarity of input.
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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 arc furnace
An electric arc furnace (EAF) is a furnace that heats charged material by means of an electric arc.
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Electric field
An electric field is a vector field surrounding an electric charge that exerts force on other charges, attracting or repelling them.
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Electric motor
An electric motor is an electrical machine that converts electrical energy into mechanical energy.
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Electric power transmission
Electric power transmission is the bulk movement of electrical energy from a generating site, such as a power plant, to an electrical substation.
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Electrical ballast
An electrical ballast is a device placed in line with the load to limit the amount of current in an electrical circuit.
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Electrical engineering
Electrical engineering is a professional engineering discipline that generally deals with the study and application of electricity, electronics, and electromagnetism.
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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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Electrical network
An electrical network is an interconnection of electrical components (e.g. batteries, resistors, inductors, capacitors, switches) or a model of such an interconnection, consisting of electrical elements (e.g. voltage sources, current sources, resistances, inductances, capacitances).
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Electrical reactance
In electrical and electronic systems, reactance is the opposition of a circuit element to a change in current or voltage, due to that element's inductance or capacitance.
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Electrical substation
A substation is a part of an electrical generation, transmission, and distribution system.
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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 Star
Energy Star (trademarked ENERGY STAR) is a voluntary program launched by the U.S. Environmental Protection Agency (EPA) and now managed by the EPA and U.S. Department of Energy (DOE) that helps businesses and individuals save money and protect the environment through superior energy efficiency.
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European Union
The European Union (EU) is a political and economic union of EUnum member states that are located primarily in Europe.
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Fluorescent lamp
A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light.
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Ground and neutral
As the neutral point of an electrical supply system is often connected to earth ground, ground and neutral are closely related.
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Harmonic
A harmonic is any member of the harmonic series, a divergent infinite series.
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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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High voltage
The term high voltage usually means electrical energy at voltages high enough to inflict harm on living organisms.
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High-voltage direct current
A high-voltage, direct current (HVDC) electric power transmission system (also called a power superhighway or an electrical superhighway) uses direct current for the bulk transmission of electrical power, in contrast with the more common alternating current (AC) systems.
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IEC 61000-3-2
IEC 61000-3-2:2005+A1:2008+A2:2009 was an international standard that limits mains voltage distortion by prescribing the maximum value for harmonic currents from the second harmonic up to and including the 40th harmonic current.
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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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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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Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers (IEEE) is a professional association with its corporate office in New York City and its operations center in Piscataway, New Jersey.
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International Bureau of Weights and Measures
The International Bureau of Weights and Measures (Bureau international des poids et mesures) is an intergovernmental organization established by the Metre Convention, through which Member States act together on matters related to measurement science and measurement standards.
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International System of Units
The International System of Units (SI, abbreviated from the French Système international (d'unités)) is the modern form of the metric system, and is the most widely used system of measurement.
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Interval (mathematics)
In mathematics, a (real) interval is a set of real numbers with the property that any number that lies between two numbers in the set is also included in the set.
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Ireland
Ireland (Éire; Ulster-Scots: Airlann) is an island in the North Atlantic.
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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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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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Magnetic field
A magnetic field is a vector field that describes the magnetic influence of electrical currents and magnetized materials.
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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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Multimeter
A multimeter or a multitester, also known as a VOM (volt-ohm-milliammeter), is an electronic measuring instrument that combines several measurement functions in one unit.
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Nonlinear system
In mathematics and science, a nonlinear system is a system in which the change of the output is not proportional to the change of the input.
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Overvoltage
When the voltage in a circuit or part of it is raised above its upper design limit, this is known as overvoltage.
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The Portable Document Format (PDF) is a file format developed in the 1990s to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.
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Phase (waves)
Phase is the position of a point in time (an instant) on a waveform cycle.
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Phase angle
In the context of phasors, phase angle refers to the angular component of the complex number representation of the function.
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Physical quantity
A physical quantity is a physical property of a phenomenon, body, or substance, that can be quantified by measurement.or we can say that quantities which we come across during our scientific studies are called as the physical quantities...
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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 electronics
Power electronics is the application of solid-state electronics to the control and conversion of electric power.
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Power supply unit (computer)
A power supply unit (or PSU) converts mains AC to low-voltage regulated DC power for the internal components of a computer.
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Ratio
In mathematics, a ratio is a relationship between two numbers indicating how many times the first number contains the second.
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Rectifier
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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Root mean square
In statistics and its applications, the root mean square (abbreviated RMS or rms) is defined as the square root of the mean square (the arithmetic mean of the squares of a set of numbers).
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Sine wave
A sine wave or sinusoid is a mathematical curve that describes a smooth periodic oscillation.
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Solenoid
A solenoid (/ˈsolə.nɔɪd/) (from the French solénoïde, derived in turn from the Greek solen ("pipe, channel") and eidos ("form, shape")) is a coil wound into a tightly packed helix.
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Static synchronous compensator
A static synchronous compensator (STATCOM), also known as a static synchronous condenser (STATCON), is a regulating device used on alternating current electricity transmission networks.
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Static VAR compensator
A static VAR compensator is a set of electrical devices for providing fast-acting reactive power on high-voltage electricity transmission networks.
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Steel mill
A steel mill or steelworks is an industrial plant for the manufacture of steel.
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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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Switzerland
Switzerland, officially the Swiss Confederation, is a sovereign state in Europe.
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Synchronous condenser
In electrical engineering, a synchronous condenser (sometimes called a synchronous capacitor or synchronous compensator) is a DC-excited synchronous motor, whose shaft is not connected to anything but spins freely.
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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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Three-phase electric power
Three-phase electric power is a common method of alternating current electric power generation, transmission, and distribution.
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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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Total harmonic distortion
The total harmonic distortion (THD) is a measurement of the harmonic distortion present in a signal and is defined as the ratio of the sum of the powers of all harmonic components to the power of the fundamental frequency.
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Trigonometric functions
In mathematics, the trigonometric functions (also called circular functions, angle functions or goniometric functions) are functions of an angle.
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United States Environmental Protection Agency
The Environmental Protection Agency is an independent agency of the United States federal government for environmental protection.
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Utility frequency
The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the nominal frequency of the oscillations of alternating current (AC) in an electric power grid transmitted from a power station to the end-user.
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Valley-fill circuit
A valley-fill circuit is a type of passive power factor correction (PFC) circuit.
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Vienna rectifier
The Vienna Rectifier is a pulse-width modulation rectifier, invented in 1993 by Johann W. Kolar.
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Volt-ampere
A volt-ampere (VA) is the unit used for the apparent power in an electrical circuit, equal to the product of root-mean-square (RMS) voltage and RMS current.
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Volt-ampere reactive
In electric power transmission and distribution, volt-ampere reactive (var) is a unit by which reactive power is expressed in an AC electric power system.
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Voltage
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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Watt
The watt (symbol: W) is a unit of power.
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Wattmeter
The wattmeter is an instrument for measuring the electric power (or the supply rate of electrical energy) in watts of any given circuit.
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Welding
Welding is a fabrication or sculptural process that joins materials, usually metals or thermoplastics, by causing fusion, which is distinct from lower temperature metal-joining techniques such as brazing and soldering, which do not melt the base metal.
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80 Plus
80 Plus (trademarked 80 PLUS) is a voluntary certification program intended to promote efficient energy use in computer power supply units (PSUs).
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References
[1] https://en.wikipedia.org/wiki/Power_factor
