Method and system for state estimation in power systems

Details Method and system for state estimation in power systems Method and system for state estimation in power systems

G - Physics

01

R

G01R 29/00 (2006.01) G01R 19/06 (2006.01) G01R 29/18 (2006.01) G06F 17/10 (2006.01) H02J 13/00 (2006.01)

Patent

CA 2598901

A method of state estimation is provided, including: (a) acquiring a plurality of positive sequence voltage and current phasor measurements; (b) designating a reference positive sequence voltage phasor measurement from the acquired phasor measurements; (c) correcting the acquired phasor measurements to account for the reference phasor measurement; (d) calculating complex power having a real component and an imaginary component, using the corrected positive sequence voltage and current phasor measurement; (e) using the real component of said complex power as a calculated mega-watt and the imaginary component of the complex power as a calculated mega-volt-ampere; and (f) using the mega-watt and mega volt-ampere calculations in a state estimation algorithm.

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