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Phasor Estimation based on Modified Recursive Prony

Khodaparast Ghadikolaei, Jalal; Fosso, Olav B; Molinas Cabrera, Maria Marta
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Accepted version
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Khodaparast Ghadikolaei (248.5Kb)
URI
http://hdl.handle.net/11250/2600429
Date
2018
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Original version
10.1109/CCTA.2018.8511393
Abstract
Synchronized Measurement Technology represented by Phasor Measurement Units (PMUs) is a sophisticated tool for power system monitoring and contributes to a more reliable and secure operation of the power systems. Phasor estimation is the key of PMUs, providing amplitude and phase of voltage/current of the power network buses. In this paper, the performance of a recursive Prony algorithm for the phasor estimation is examined under steady state and dynamic conditions. It is shown that the properties of the recursive algorithm have opposite impacts on the accuracy and the speed of the estimation, under these two conditions. To reach a good compromise between these two opposing properties, a modified recursive Prony, based on a time varying λ, is proposed in this paper.
Publisher
Institute of Electrical and Electronics Engineers (IEEE)

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