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- W2034562152 abstract "An algorithm that is suitable for the computation of symmetrical components is presented in this paper. The structure of the algorithm consists of four decoupled linear modules: the first for adaptive filtering of input signals, the second for frequency estimation, the third for symmetrical components estimation, and the fourth for the amplitudes of the component estimation. Filters are used to minimize the noise effect and to eliminate the presence of harmonics. A simple method for online designing of digital filters of sinusoidal signals is used in this paper. This method uses closed forms for calculation of filter coefficients and requires modest computations. The symmetrical components estimation through adaptive transformation matrix of phase shifters used in this paper makes it possible to get instantaneous symmetrical components independently on the frequency variation with modest-computation requirements. The technique used in this paper provides accurate frequency estimates with the maximum error of 0.002 Hz and symmetrical components estimation with the maximum error of 0.03% for in about 25 ms. The algorithm is not sensitive to power-system frequency changes and to the harmonic distortion of the input signals. To demonstrate the performance of the developed algorithm, computer-simulated data records have been processed. It has been found that the proposed algorithm is suitable for real-time applications." @default.
- W2034562152 created "2016-06-24" @default.
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- W2034562152 date "2007-12-01" @default.
- W2034562152 modified "2023-09-25" @default.
- W2034562152 title "Symmetrical Components Estimation Through Maximum Likelihood Algorithm and Adaptive Filtering" @default.
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- W2034562152 doi "https://doi.org/10.1109/tim.2007.908126" @default.
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