Jisho

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Noun
1. three-phase alternating current
Wikipedia definition
2. Three-phase electric powerThree-phase electric power is a common method of alternating-current electric power generation, transmission, and distribution. It is a type of polyphase system and is the most common method used by grids worldwide to transfer power. It is also used to power large motors and other heavy loads. A three-phase system is generally more economical than others because it uses less conductor material to transmit electric power than equivalent single-phase or two-phase systems at the same voltage.
Read “Three-phase electric power” on English Wikipedia
Read “三相交流” on Japanese Wikipedia
Read “Three-phase electric power” on DBpedia

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