In a three-phase system voltage, assume that the phase-to-neutral voltage at phase “b” is considered as the reference (zero phase angle).  1. State the positive sequence and the negative sequence.  2. Solve the following for both sequences:  a. the line-to-neutral voltages : VAN ,VBN and VCN  b. the line-to-line voltages :  VAB , VBC and VCA

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Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.