Phasor Estimation at Off-Nominal Frequency Inputs

Part of the Power Electronics and Power Systems book series (PEPS)


Phasors are a steady state concept. In reality, a power system is never in a steady state. Voltage and current signals have constantly changing fundamental frequency (albeit in a relatively narrow range around the nominal frequency) due to changes in load and generation imbalances and due to the interactions between real power demand on the network, inertias of large generators, and the operation of automatic speed controls with which most generators are equipped.


Power System Phase Angle Symmetrical Component Sequence Component Negative Sequence 
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© Springer International Publishing AG 2017

Authors and Affiliations

  1. 1.Department of Electrical and Computer EngineeringVirginia TechBlacksburgUSA

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