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electromechanical relay

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  • electromechanical relay — elektromechaninė relė statusas T sritis Standartizacija ir metrologija apibrėžtis Įtaisas, sudarytas iš ritės ir inkaro, kuris veikiamas ritės sukurto magnetinio lauko juda ir atidaro arba uždaro kontaktinį jungiklį. atitikmenys: angl.… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • 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

  • electromechanical time relay — elektromechaninė išlaikymo trukmės relė statusas T sritis Standartizacija ir metrologija apibrėžtis Relė, uždelsianti perduodamąjį poveikį laikrodiniu ar pneumatiniu mechanizmu arba elektriniu varikliu. atitikmenys: angl. electromechanical time… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • Relay — A&V An electromechanical device having electrical contacts that open or close when current is applied to the activating mechanism of the device …   Audio and video glossary

  • 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

  • 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

  • Solid state relay — A solid state relay (SSR) is an electronic switch, which, unlike an electromechanical relay, contains no moving parts. The types of SSR are photo coupled SSR, transformer coupled SSR, and hybrid SSR. A photo coupled SSR is controlled by a low… …   Wikipedia

  • Wire spring relay — A wire spring relay is a type of relay, primarily manufactured by the Western Electric Company for use by the Bell System in electromechanical telephone exchanges. It was licenced for use around the world, and was commonplace in Japan. A wire… …   Wikipedia

  • Control relay — A control relay is an electromechanical device which activates one or more switches according to the current through a coil not connected to the switches. The thyristor is a semiconductor device which carries out similar functions.A relay is… …   Wikipedia

  • Reed relay — A reed relay is one or more reed switches controlled by an electromagnet. The contacts are of magnetic material and the electromagnet acts directly on them without requiring an armature to move them. Sealed in a long, narrow glass tube, the… …   Wikipedia

  • A Symbolic Analysis of Relay and Switching Circuits — In his 1937 MIT master s thesis, A Symbolic Analysis of Relay and Switching Circuits , Claude Elwood Shannon proved that Boolean algebra and binary arithmetic could be used to simplify the arrangement of the electromechanical relays then used in… …   Wikipedia

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