The three-phase voltage system is essentially a three alternating voltages coupled (occur simultaneously 3 an Generator), and phase-shifted 120 ° from each (or a sea tercio the period).
These voltages are transported by a system of 3 drivers (3 phases), or four (three phases + neutral). Por convención las fases se denominan r , S, T, and N for the neutral conductor if.
Voltage phase
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