Phasor estimation in power transmission lines by using the Kalman filter
Sign Up to like & getrecommendations! Published in 2021 at "Electrical Engineering"
DOI: 10.1007/s00202-021-01359-6
Abstract: This paper develops a Kalman filter-based method to estimate the magnitude and phases of currents and voltages of a single-phase transmission line. Unlike common-place practices, in which phasors are estimated by using Fourier-based or least… read more here.
Keywords: estimation; transmission; kalman filter; transmission lines ... See more keywords
Impact of DFT-Based phasor estimation errors due to commutation failures of LCC-HVDC links on the protection of AC lines in the near vicinity
Sign Up to like & getrecommendations! Published in 2021 at "Electric Power Systems Research"
DOI: 10.1016/j.epsr.2021.107287
Abstract: Abstract Commutation failure (CF) is an inherent issue for Line-Commutated Converter (LCC) HVDC technology. Whenever it happens, voltage and current waveforms throughout the AC system in the near vicinity of LCC-HVDC links become quite distorted.… read more here.
Keywords: protection; near vicinity; phasor estimation; hvdc links ... See more keywords
Modified DFT-Based Phasor Estimation Algorithms for Numerical Relaying Applications
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DOI: 10.1109/tpwrd.2017.2738621
Abstract: In this paper, new modifications of the conventional full-cycle and half-cycle discrete Fourier transform (DFT)-based phasor estimation algorithms are proposed. The key idea is to combine two consecutive outputs of their real and imaginary part… read more here.
Keywords: phasor estimation; dft based; based phasor; estimation algorithms ... See more keywords
A Phasor Estimation Algorithm Robust to Decaying DC Component
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Power Delivery"
DOI: 10.1109/tpwrd.2021.3073135
Abstract: Phasor measurement is widely used in fault detection and localization of power systems. To improve the phasor measurement accuracy when the fault signal contains the decaying dc component (DDC), this article proposes a half-cycle DFT… read more here.
Keywords: estimation algorithm; phasor; phasor estimation; decaying component ... See more keywords