Definition of "phasor" []

• A representation of a complex number in terms of a complex exponential. (noun)
• And (engineering) A plotted line whose length and angle represent the amplitude and phase, respectively, of a sinusoidally varying quantity such as an alternating current. (noun)

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• "A phasor is a vector ( 'arrow') drawn in this plain representing a quantity like an electrical current, voltage or power."
• "Department of Energy to implement synchrophasors, also known as phasor measurement units (PMUs), to more accurately measure voltage and current within the Eastern Interconnection."
• "Grid Monitoring Demonstrations will support the installation and networking of multiple high-resolution, time-synchronized grid monitoring devices, called phasor measurement units, that allow transmission system operators to see, and therefore influence, electric flows in real-time."