System and method for synchronized phasor measurement

Details System and method for synchronized phasor measurement System and method for synchronized phasor measurement

2005-04-29

2008-10-28

Nghiem, Michael P (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

Reexamination Certificate

active

07444248

ABSTRACT:
A phasor measurement system is provided for computing synchronized phasor measurements. The phasor measurement system includes acquisition circuitry for acquiring voltage or current values from a power line, sampling circuitry for sampling the voltage or current values, and processing circuitry for computing a phasor and at least one time derivative of the phasor based on the sampled voltage or current values and for computing a synchronized phasor value based on the phasor and the at least one time derivative of the phasor.

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Kasztenny et al., “Synchrophasor Algorithm Allowing Seamless Integration Relays”, Mar. 2008.
Jiang et al., “A Distributed State Estimator Utilizing Synchronized Phasor Measurements”, 2007.
Gabriel Benmouyal, E. O. Schweitzer, A. Guzmán; “Synchronized Phasor Measurement in Protective Relays for Protection, Control, and Analysis of Electric Power Systems”; Presented before the 29th Annual Western Protective Relay Conference Spokane, Washington, Oct. 22-24, 2002; 34 pages.
Roy Moxley PE, Chuck Petras PE, Chris Anderson, and Ken Fodero II; “Display and Analysis of Transcontinental Synchrophasors”; 16 pages. 2004.

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