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protective relay

См. также в других словарях:

  • Protective relay — See also: Power system protection In electrical engineering, a protective relay is a complex electromechanical apparatus, often with more than one coil, designed to calculate operating conditions on an electrical circuit and trip circuit breakers …   Wikipedia

  • protective relay — apsauginė relė statusas T sritis automatika atitikmenys: angl. protective relay; watch dog relay vok. Überwachungsrelais, n; Schutzrelais, n rus. реле защиты, n; сторожевое реле, n pranc. relais de garde, m; relais de protection, m; relais de… …   Automatikos terminų žodynas

  • protective relay — apsauginė relė statusas T sritis fizika atitikmenys: angl. protective relay vok. Schutzrelais, n; Sicherheitsrelais, n rus. защитное реле, n pranc. relais de protection, m …   Fizikos terminų žodynas

  • Digital protective relay — In electrical engineering of power systems, a digital protective relay uses a microcontroller with software based protection algorithms for the detection of electrical faults. Such relays are also termed as microprocessor type protective relays.… …   Wikipedia

  • Relay — This article is about the electrical component. For other uses, see Relay (disambiguation). Automotive style miniature relay, dust cover is taken off A relay is an electrically operated switch. Many relays use an electromagnet to operate a… …   Wikipedia

  • relay — relay1 n. /ree lay/; v. /ree lay, ri lay /, n., v., relayed, relaying. n. 1. a series of persons relieving one another or taking turns; shift. 2. a fresh set of dogs or horses posted in readiness for use in a hunt, on a journey, etc. 3. Sports. a …   Universalium

  • Protective Device Coordination — Electrical protective devices for distributed power systems consist of fuses, circuit breakers, relays and other types of devices typically designed to interrupt the current flow in an electrical power system. Protective device coordination is… …   Wikipedia

  • watch dog relay — apsauginė relė statusas T sritis automatika atitikmenys: angl. protective relay; watch dog relay vok. Überwachungsrelais, n; Schutzrelais, n rus. реле защиты, n; сторожевое реле, n pranc. relais de garde, m; relais de protection, m; relais de… …   Automatikos terminų žodynas

  • 2008 Summer Olympics torch relay — 2008 Summer Olympics Bid process Venues Marketing Concerns and controversies Torch relay (route) Opening ceremony (flag bearers) Medal table (medalists) Closing ceremony Event calendar …   Wikipedia

  • Buchholz relay — In the field of electric power distribution and transmission, a Buchholz relay, also called a gas relay or a sudden pressure relay, is a safety device mounted on some oil filled power transformers and reactors, equipped with an external overhead… …   Wikipedia

  • Utility Relay Company — (Chagrin Falls, Ohio, USA) manufactures programmable protective relays for power distribution systems. The relays, commonly referred to as trip units, are applied on both AC and DC air frame power distribution circuit breakers.Main products [http …   Wikipedia

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