Closed-Loop Identification of Power System Based on Ambient Data

Chao Wu, Chao Lu and Yingduo Han

Mathematical Problems in Engineering, 2012, vol. 2012, 1-16

Abstract:

Small fluctuations caused by random changes of loads exist continuously in power grids, which are called ambient signals. Using time-synchronized phasor measurements, the closed-loop identification of power system based on ambient data is discussed, which can reflect accurate operating conditions currently and provide critical information for system analyzing and controller designing. The closed-loop identification of a power system with multiple disturbances is theoretically studied, including the closed-loop identifiability, the consistency properties, and the convergence properties. The requirements for realizing the closed-loop identification are summarized, and the theoretical research results are validated by simulation examples.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:632897

DOI: 10.1155/2012/632897

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