Grid impedance estimation for grid-tie inverters based on positive sequence estimator and morphological filter
Sign Up to like & getrecommendations! Published in 2020 at "Electrical Engineering"
DOI: 10.1007/s00202-020-00941-8
Abstract: This paper proposes a method for estimating the appropriate grid impedance for applications in which distributed generators are connected to the grid through three-phase inverters. The method is based on variations in active and reactive… read more here.
Keywords: positive sequence; grid impedance; morphological filter;
A Fixed-Frame Positive-Sequence Extractor: An Alternative to the MAF-Based Park-Filter
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Signal Processing Letters"
DOI: 10.1109/lsp.2022.3226373
Abstract: Park-filters based on moving average filters (MAF) are a popular technique to extract the fundamental positive sequence component with zero-phase-shift from electrical three-phase signals, which is used to build references for power converters' controllers, as… read more here.
Keywords: inline formula; positive sequence; filter; tex math ... See more keywords
Converter Model for Representing Converter Interfaced Generation in Large Scale Grid Simulations
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DOI: 10.1109/tpwrs.2016.2551223
Abstract: This paper addresses the positive sequence modeling of converter-based sources in commercial transient stability analysis software. A simple and computationally economical model of the converter has been developed while ensuring a reliable representation of the… read more here.
Keywords: converter interfaced; interfaced generation; positive sequence; model ... See more keywords