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08 December 2016

Back to Basics: Fundamentals of AC Line Power (Part II)

AC line voltage is a single-phase vector that rotates at a given frequency
Figure 1: AC line voltage is a single-phase
vector that rotates at a given frequency
Having reviewed a broad definition of power, how it is generated and distributed, and how motors consume almost half of all generated power, we will now turn to a more detailed discussion of just what it is that we call "power." When we discuss "power," we're typically referring to what comes out of a wall socket: AC line, or sinusoidal, power.