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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
Auxiliary power unit — An auxiliary power unit (APU) is a device on a vehicle whose purpose is to provide energy for functions other than propulsion. Different types of APU are found on aircraft, as well as on some large ground vehicles.AircraftFunctions of APU The… … Wikipedia
Uninterruptible power supply — A small free standing UPS … Wikipedia
Power over Ethernet — or PoE technology describes a system to transfer electrical power, along with data, to remote devices over standard twisted pair cable in an Ethernet network. This technology is useful for powering IP telephones, wireless LAN access points,… … Wikipedia
power — [pou′ər] n. [ME pouer < OFr poeir, earlier poter, orig. inf. < VL * potere, to be able, for L posse, to be able: see POTENT] 1. ability to do, act, or produce 2. a specific ability or faculty [the power of hearing] 3. great ability to do,… … English World dictionary
Auxiliary feedwater — is a backup water supply system found in pressurized water reactor nuclear power plants. This system, sometimes known as Emergency feedwater, can be used during shutdowns, including accident conditions, and sometimes during startup. It works by… … Wikipedia
auxiliary — /awg zil yeuh ree, zil euh /, adj., n., pl. auxiliaries. adj. 1. additional; supplementary; reserve: an auxiliary police force. 2. used as a substitute or reserve in case of need: The hospital has an auxiliary power system in case of a blackout.… … Universalium
auxiliary — aux•il•ia•ry [[t]ɔgˈzɪl yə ri, ˈzɪl ə [/t]] adj. n. pl. ries 1) additional; supplementary; reserve: an auxiliary police force[/ex] 2) used as a substitute or reserve in case of need: an auxiliary power system[/ex] 3) subsidiary; secondary 4) naut … From formal English to slang
KKS Power Plant Classification System — The KKS Power Plant Classification System is a standardised system for the classification of power stations. It serves during engineering, construction, operation and maintenance of power stations for identification and classification of the… … Wikipedia
Emergency power system — Emergency power systems are a type of system, which may include lighting, generators and other apparatus, to provide backup resources in a crisis or when regular systems fail. They find uses in a wide variety of settings from residential homes to … Wikipedia
Nuclear power plant — This article is about electricity generation from nuclear power. For the general topic of nuclear power, see Nuclear power. A nuclear power station. The nuclear reactor is contained inside the cylindrical containment buildings to the right left… … Wikipedia