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Message: <blockquote data-quote="chirantha7777" data-source="post: 13175924" data-attributes="member: 165120">There is three phase and single phase.. Our electricity system works at 50Hz (50 AC cycles per second) when you get a three phase line the these cycles are synchronized.... first phase gets power, then second phase gets power, then third..... But they all operate at 50Hz... (Not 50/3) this synced power when given to a THREE PHASE motor (a motor that has three separate coils) causes it to spin faster because of the way the power is delivered to it (one after the other). It also means the resistance (coils inside the motor cause resistance) is also less because 1/3 of the resistance is applied to a phase... it improves the factor known as efficiency in the motor their by reducing power consumption.  You can also use three phase lines in houses to get more power.... You house wiring would need to be split into 3 sections... then you can draw a total of 30A X 3 from various places in the house. Normally devices above 30A (6900W) would be designed to work on a three phase line. Any how you won't be able to get more than 30A from a single socket in the house anyway.Note that you must never join two phase lines to one line... this will cause a ripple effect and cause the AC cycles to combine... providing a 150Hz cycle rate which will damage your devices</blockquote>

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