What is a Phasor?
Phasor is a quantity with magnitude and phase (with respect to a reference) that is used to represent a sinusoidal signal (figure below). Here the phase or phase angle is the distance between the signal’s sinusoidal peak and a specified reference and is expressed using an angular measure. Here, the reference is a fixed point in time (such as time = 0). The phasor magnitude is related to the amplitude of the sinusoidal signal.
