polyphase circuit

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English[edit]

Noun[edit]

polyphase circuit (plural polyphase circuits)

  1. (electric) A group of alternating current circuits having two or more interrelated voltages, usually of equal amplitudes, phase differences, and periods, etc; if a neutral conductor exists, the voltages referenced to the neutral are equal in amplitude and phase; the most common version is that of 3-phase, equal in amplitude with phases 120 degrees apart.