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- W4285292480 abstract "The fundamental component synchrophasors are widely used nowadays, based on the use of Phasor Measurement Units (PMU), in several applications in electrical power systems. For the advancement of monitoring technology, harmonic synchrophasor estimation is still a challenge. To make it possible, it is necessary to correctly estimate the harmonic phasor (magnitude and phase of each harmonic component), mainly in scenarios with frequency deviations and noise. In this context, the present paper proposes the use of B-Spline based interpolation as a preprocessing algorithm for the Discrete Fourier Transform (DFT). The performance is evaluated in terms of Total Vector Error (TVE) considering the tests proposed by the IEEE C37.118.1 and IEC 60255-118-1 standards and compared with four different harmonic phasor estimation methods, the HPE, SIFE, TFT and FT FIR. The proposed method can provide a TVE below 1% for all harmonic phasors, from the first to the fiftieth order, under significant frequency deviation. Also, for real time validation, the proposed method was implemented in an industrial computer as a software routine capable of processing the signals in real time. The signals are acquired by a commercial Merging Unit (MU) and the samples are published using the IEC 61850 Sampled Values (SV) protocol." @default.
- W4285292480 created "2022-07-14" @default.
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- W4285292480 date "2022-01-01" @default.
- W4285292480 modified "2023-10-06" @default.
- W4285292480 title "Real-time B-Spline Interpolation for Harmonic Phasor Estimation in Power Systems" @default.
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- W4285292480 doi "https://doi.org/10.1109/tim.2022.3175054" @default.
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