three phase vs. single phase

zeeguitarman · #1 Dec 6, 2006, 11:13 AM

what benefits would you have running a three phase service as opposed to running single phase.

tkrussell · Dec 6, 2006, 03:15 PM

A 3 phase service can deliver more power (wattage) at less voltage with smaller gauge conductors, thus saving copper and installation costs are more efficient than a single phase service.

This is more evident when used for larger commercial or industrial equipment. A single phase motor larger than 10 HP is rare, where 3 phase motors can be much larger.

Chosing between either depends on the total load and types of loads that need to be served.

waweru · May 24, 2007, 10:43 PM

in terms of running costs, which is more expensive



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