Matches in DBpedia 2016-04 for { <http://dbpedia.org/resource/Power_factor> ?p ?o }
- Power_factor abstract "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. A power factor of less than one means that the voltage and current waveforms are not in phase, reducing the instantaneous product of the two waveforms (V x I). Real power is the capacity of the circuit for performing work in a particular time. Apparent power is the product of the current and voltage of the circuit. Due to energy stored in the load and returned to the source, or due to a non-linear load that distorts the wave shape of the current drawn from the source, the apparent power will be greater than the real power. A negative power factor occurs when the device (which is normally the load) generates power, which then flows back towards the source, which is normally considered the generator.In an electric power system, a load with a low power factor draws more current than a load with a high power factor for the same amount of useful power transferred. The higher currents increase the energy lost in the distribution system, and require larger wires and other equipment. Because of the costs of larger equipment and wasted energy, electrical utilities will usually charge a higher cost to industrial or commercial customers where there is a low power factor.Linear loads with low power factor (such as induction motors) can be corrected with a passive network of capacitors or inductors. Non-linear loads, such as rectifiers, distort the current drawn from the system. In such cases, active or passive power factor correction may be used to counteract the distortion and raise the power factor. The devices for correction of the power factor may be at a central substation, spread out over a distribution system, or built into power-consuming equipment.".
- Power_factor thumbnail Power_factor_0.svg?width=300.
- Power_factor wikiPageExternalLink POWERFAC.pdf.
- Power_factor wikiPageExternalLink power_121509.cfm.
- Power_factor wikiPageExternalLink www.powerfactor.us.
- Power_factor wikiPageID "41568".
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- Power_factor wikiPageRevisionID "706612214".
- Power_factor wikiPageWikiLink 80_Plus.
- Power_factor wikiPageWikiLink AC_power.
- Power_factor wikiPageWikiLink Alternating_current.
- Power_factor wikiPageWikiLink Ammeter.
- Power_factor wikiPageWikiLink Boost_converter.
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- Power_factor wikiPageWikiLink Capacitor.
- Power_factor wikiPageWikiLink Category:Electric_power.
- Power_factor wikiPageWikiLink Category:Electrical_engineering.
- Power_factor wikiPageWikiLink Category:Electrical_parameters.
- Power_factor wikiPageWikiLink Contactor.
- Power_factor wikiPageWikiLink Crest_factor.
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- Power_factor wikiPageWikiLink Eddy_current.
- Power_factor wikiPageWikiLink Electric_arc_furnace.
- Power_factor wikiPageWikiLink Electric_field.
- Power_factor wikiPageWikiLink Electric_motor.
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- Power_factor wikiPageWikiLink Electrical_ballast.
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- Power_factor wikiPageWikiLink Ground_and_neutral.
- Power_factor wikiPageWikiLink Harmonic.
- Power_factor wikiPageWikiLink Harmonics_(electrical_power).
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- Power_factor wikiPageWikiLink IEC_EN_61000-3-2.
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- Power_factor wikiPageWikiLink Inductor.
- Power_factor wikiPageWikiLink International_System_of_Units.
- Power_factor wikiPageWikiLink Interval_(mathematics).
- Power_factor wikiPageWikiLink Joule_heating.
- Power_factor wikiPageWikiLink Linearity.
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- Power_factor wikiPageWikiLink Mains_electricity.
- Power_factor wikiPageWikiLink Multimeter.
- Power_factor wikiPageWikiLink Nonlinear_system.
- Power_factor wikiPageWikiLink Overvoltage.
- Power_factor wikiPageWikiLink Phase_(waves).
- Power_factor wikiPageWikiLink Phase_angle.
- Power_factor wikiPageWikiLink Physical_quantity.
- Power_factor wikiPageWikiLink Portable_Document_Format.
- Power_factor wikiPageWikiLink Power_(physics).
- Power_factor wikiPageWikiLink Power_electronics.
- Power_factor wikiPageWikiLink Power_factor.
- Power_factor wikiPageWikiLink Power_supply_unit_(computer).
- Power_factor wikiPageWikiLink Ratio.
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- Power_factor wikiPageWikiLink Root_mean_square.
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- Power_factor wikiPageWikiLink Static_VAR_compensator.
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- Power_factor wikiPageWikiLink Steel_mill.
- Power_factor wikiPageWikiLink Switched-mode_power_supply.
- Power_factor wikiPageWikiLink Synchronous_condenser.
- Power_factor wikiPageWikiLink Synchronous_motor.
- Power_factor wikiPageWikiLink Three-phase_electric_power.
- Power_factor wikiPageWikiLink Thyristor.
- Power_factor wikiPageWikiLink Total_harmonic_distortion.
- Power_factor wikiPageWikiLink Trigonometric_functions.
- Power_factor wikiPageWikiLink United_States.
- Power_factor wikiPageWikiLink United_States_Environmental_Protection_Agency.
- Power_factor wikiPageWikiLink Utility_frequency.
- Power_factor wikiPageWikiLink Valley-fill_circuit.
- Power_factor wikiPageWikiLink Vienna_rectifier.
- Power_factor wikiPageWikiLink Volt-ampere.
- Power_factor wikiPageWikiLink Volt-ampere_reactive.
- Power_factor wikiPageWikiLink Voltage.
- Power_factor wikiPageWikiLink Watt.
- Power_factor wikiPageWikiLink Wattmeter.
- Power_factor wikiPageWikiLink Welding.
- Power_factor wikiPageWikiLink File:Active_pfc_PSU_packaging.png.
- Power_factor wikiPageWikiLink File:Condensatorenbatterij.jpg.
- Power_factor wikiPageWikiLink File:Condensor_bank_150kV_-_75MVAR.jpg.
- Power_factor wikiPageWikiLink File:Decreased_power_factor.jpg.
- Power_factor wikiPageWikiLink File:Increased_power_factor.jpg.
- Power_factor wikiPageWikiLink File:Lagging-Leading.jpg.
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- Power_factor wikiPageWikiLink File:Power_factor_75.jpg.
- Power_factor wikiPageWikiLink File:Power_triangle_diagram.jpg.