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- W2388807069 abstract "Aiming at the state estimation’s disadvantage in dealing with ill-conditioned problems, an algorithm is proposed based on singular value decomposition and equivalent current measurement transformation. The proposed algorithm utilizes the hybrid measurement system which consists of PMU measurement and SCADA measurement. By means of the right-angle coordinate’s equivalent current measurement transformation, the state estimation problem can be formulated as linear measurement equations and the information matrix is constant. After that, singular value decomposition is used to solve the measurement equations only once, which increases the calculation efficiency. The singular value decomposition doesn’t need observability analysis and can deal with ill-conditioned or close to ill-conditioned problems, which improves the state estimation algorithm’s robustness. Through the simulation test, the validity of this method is verified." @default.
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- W2388807069 date "2012-01-01" @default.
- W2388807069 modified "2023-09-26" @default.
- W2388807069 title "Power system state estimation based on singular value decomposition and equivalent current measurement transformation" @default.
- W2388807069 hasPublicationYear "2012" @default.
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