Accuracy assessment of frequency-domain models for harmonic analysis of residential type photovoltaic-distributed generation units

Karadeniz, Alp; Öztürk, Onur; Koksoy, Ahmet; Atsever, Mert Bekir; Balcı, Murat Erhan; Hocaoğlu, Mehmet Hakan

doi:10.1016/j.solener.2021.12.057

Cited by 8 publications

(1 citation statement)

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“…Thus, it brings about equipment malfunction, financial costs, overheating in equipment and degradation in power system reliability and power quality [1,2]. The interconnection of many renewable sources on a distribution grid via power electronic converters, especially inverter-based DGs has gained more attention in electric power systems [3,4]. In the past few years, owing to the growing use of inverter-based DGs, the importance of investigating their harmonic pollution in power distribution systems is increased, and they should be considered as harmonic sources.…”

Section: Motivation and Incitementmentioning

confidence: 99%

Multiple harmonic sources identification including inverter‐based distributed generations using empirical Fourier decomposition

Motlagh

Foroud

2023

IET Generation Trans & Dist

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This paper proposes an intelligent approach based on the empirical Fourier decomposition (EFD) to identify harmonic sources at the point of common coupling (PCC) when different inverter-based distributed generations (DGs) like microturbine (MT), battery energy storage system (BESS), photovoltaic (PV), superconducting magnetic energy storage (SMES), wind turbine with a permanent magnet synchronous generator (PMSG), and doubly-fed induction generator (DFIG) wind turbine are presented. In order to decrease memory storage and computational burden, strife feature selection is used. Applying just voltage signals consumes less processing time and decreases measurement devices. Moreover, the whale optimization algorithm (WOA) as the optimizer of the parameters of the support vector machine (SVM) classifier is used. Consequently, the results from the proposed method can be helpful for both engineers and researchers to plan and develop a better strategy to mitigate harmonic distortion.

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