Polyphase can refer to:
* Polyphase system, in electrical engineering
* Polyphase matrix, in signal processing, used for polyphase filters and polyphase FFT (see Filter bank).

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  • polyphasé — polyphasé, ée [ pɔlifaze ] adj. • 1891; de poly et phase ♦ Qui a plusieurs phases. Courants polyphasés : courants alternatifs à plusieurs phases. ⇒ biphasé, triphasé. ♢ Alimenté en courants polyphasés. Alternateur polyphasé. ● polyphasé,… …   Encyclopédie Universelle

  • Polyphase — Pol y*phase, a. [Poly + phase.] (Elec.) Having or producing two or more phases; multiphase; as, a polyphase machine, a machine producing two or more pressure waves of electro motive force, differing in phase; a polyphase current. [Webster 1913… …   The Collaborative International Dictionary of English

  • polyphase — [päl′i fāz΄] adj. Elec. powered by equal AC voltages or currents that are out of phase …   English World dictionary

  • polyphase — adjective Etymology: International Scientific Vocabulary Date: 1891 having or producing two or more phases < a polyphase machine > < a polyphase current > …   New Collegiate Dictionary

  • POLYPHASÉ, ÉE — adj. T. didactique Il se dit des Courants alternatifs circulant dans plusieurs circuits distincts, ayant même période et présentant une différence de phase convenable. Avec les courants polyphasés, on crée des champs magnétiques tournants… …   Dictionnaire de l'Academie Francaise, 8eme edition (1935)

  • polyphase — /pol ee fayz /, adj. Elect. 1. having more than one phase. 2. of or pertaining to a set of alternating currents that have the same frequency but different phases and that enter a specified region at more than two points. [1890 95; POLY + PHASE] * …   Universalium

  • polyphase — adjective a) Of, pertaining to, or involving multiple alternating currents that have the same frequency but differ in phase b) Of, pertaining to, or consisting of multiple phases of matter …   Wiktionary

  • polyphase — poly·phase (polґe fāz) [poly + phase] having several phases; containing colloids of several types …   Medical dictionary

  • polyphase — pÉ‘lɪ feɪz / pÉ’l adj. having more than one phase, consisting of several stages …   English contemporary dictionary

  • polyphase — adjective (of an electrical device) simultaneously using several alternating currents with different phases …   English new terms dictionary

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