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electrical power factor

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  • Power factor — For other uses, see Power factor (pistol). The power factor of an AC electric power system is defined as the ratio of the real power flowing to the load over the apparent power in the circuit,[1][2] and is a dimensionless number between 0 and 1… …   Wikipedia

  • Electrical power industry — The electrical power industry provides the production and delivery of electrical power (electrical energy), often known as power, or electricity, in sufficient quantities to areas that need electricity through a grid. Many households and… …   Wikipedia

  • power factor — /ˈpaʊə fæktə/ (say powuh faktuh) noun the ratio of the power dissipated in an electrical circuit to the product of the EMF and the current. In single and three phase circuits it is equal to the cosine of the phase angle between the EMF and the… …  

  • Electrical grid — Power Grid redirects here. For the board game, see Power Grid (board game). For other uses, see Grid (disambiguation). General layout of electricity networks. Voltages and depictions of electrical lines are typical for Germany and other European… …   Wikipedia

  • Power supply unit (computer) — Power supply unit with top cover removed A power supply unit (PSU) supplies direct current (DC) power to the other components in a computer. It converts general purpose alternating current (AC) electric power from the mains (110 V to… …   Wikipedia

  • Power line communication — or power line carrier (PLC), also known as power line digital subscriber line (PDSL), mains communication, power line telecom (PLT), power line networking (PLN), or broadband over power lines (BPL) are systems for carrying data on a conductor… …   Wikipedia

  • Electrical ballast — Choke ballast (inductor) used in older lighting. This example is from a tanning bed. Requires a lamp starter (below) and capacitor …   Wikipedia

  • Power supply — For the Budgie album, see Power Supply (album). A vacuum tube rackmount adjustable power supply, capable of +/ 1500 volts DC, 0 to 100mA output, with amperage limiting capability. A power supply is a device that supplies electrical energy …   Wikipedia

  • Electrical substation — An electrical substation is a subsidiary station of an electricity generation, transmission and distribution system where voltage is transformed from high to low or the reverse using transformers. Electric power may flow through several… …   Wikipedia

  • Electrical treeing — Within the field of electrical engineering, treeing is an electrical pre breakdown phenomenon. It is a damaging process due to partial discharges and progresses through the stressed dielectric insulation, whose path resembles the form of a tree.… …   Wikipedia

  • Power electronics — This article refers to the technology of power electronics. For the musical genre see power electronics Power electronics is the applications of solid state electronics for the control and conversion of electric power IntroductionsPower… …   Wikipedia

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