commutator

commutator
/kom"yeuh tay'teuhr/, n.
1. Elect.
a. a device for reversing the direction of a current.
b. (in a DC motor or generator) a cylindrical ring or disk assembly of conducting members, individually insulated in a supporting structure with an exposed surface for contact with current-collecting brushes and mounted on the armature shaft, for changing the frequency or direction of the current in the armature windings.
2. Math. the element equal to the product of two given elements in a group multiplied on the right by the product of the inverses of the elements.
[1830-40; COMMUTATE + -OR2]

* * *


Universalium. 2010.

Игры ⚽ Нужен реферат?

Look at other dictionaries:

  • Commutator — Com mu*ta tor, n. (Elec.) A piece of apparatus used for reversing the direction of an electrical current; an attachment to certain electrical machines, by means of which alternating currents are made to be continuous or to have the same direction …   The Collaborative International Dictionary of English

  • Commutātor — (lat.), eine Vorrichtung an einer elektrischen Batterie, welche bezweckt, dem elektrischen Strom in der Drahtleitung die entgegengesetzte Richtung zu geben, er findet bei Telegraphen Anwendung. Bei elektro magnetischen Rotationsmaschinen bewirkt… …   Pierer's Universal-Lexikon

  • Commutator — Commutator, lat., in der Physik eine Vorrichtung, um die Richtung des elektrischen Stroms in einem Drathe schnell umzukehren …   Herders Conversations-Lexikon

  • commutator — 1839, agent noun in Latin form from L. commutare (see COMMUTE (Cf. commute)) …   Etymology dictionary

  • commutator — ► NOUN ▪ an attachment connected with the armature of a motor or dynamo, through which electrical contact is made and which ensures the current flows as direct current …   English terms dictionary

  • commutator — [käm′yə tāt΄ər] n. [< L commutatus (pp. of commutare,COMMUTE) + OR] a device that commutates an electric current, esp. a split ring metallic conductor that spins rapidly with the armature of a DC motor or generator while in contact with the… …   English World dictionary

  • Commutator — This article is about the mathematical concept. For the relation between canonical conjugate entities, see canonical commutation relation. For the type of electrical switch, see commutator (electric). In mathematics, the commutator gives an… …   Wikipedia

  • commutator — /ˈkɒmjuteɪtə/ (say komyoohtaytuh) noun a device for reversing the direction of an electric current especially in a dynamo or motor. See slip ring commutator, split ring commutator …  

  • commutator — komutatorius statusas T sritis automatika atitikmenys: angl. commutator vok. Kommutator, m rus. коммутатор, m pranc. commutateur, m …   Automatikos terminų žodynas

  • commutator — perjungiklis statusas T sritis automatika atitikmenys: angl. change over switch; commutator; reverser; switch; throw over switch vok. Schalter, m; Umschalter, m rus. переключатель, m pranc. commutateur, m; inverseur, m …   Automatikos terminų žodynas

  • commutator — kolektorius statusas T sritis chemija apibrėžtis Medžiaga, kurios dedama į tirpalą kitai medžiagai išskirti. atitikmenys: angl. collector; commutator rus. коллектор …   Chemijos terminų aiškinamasis žodynas

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”