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Träfflista för sökning "WFRF:(Nakhodchi Naser) srt2:(2022)"

Sökning: WFRF:(Nakhodchi Naser) > (2022)

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1.
  • Nakhodchi, Naser, et al. (författare)
  • Including Load Impedance Uncertainty in Harmonic Impedance Seen from a Low-voltage Customer
  • 2022
  • Ingår i: 2022 20th International Conference on Harmonics & Quality of Power (ICHQP) Proceedings. - : IEEE.
  • Konferensbidrag (refereegranskat)abstract
    • This paper presents the impact of load impedance uncertainty on harmonic source and transfer impedance and consequently on harmonic propagation in distribution networks. A generic MV/LV model of the network and a more detailed model of an existing network are used. Both models include MV network and remote LV customers. Utilizing a Monte Carlo simulation method, it is shown that variation in load impedance has a big impact on the main resonant frequency of the local network but only limited influence on resonant frequency caused by remote loads connected to other LV networks.
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2.
  • Nakhodchi, Naser, et al. (författare)
  • Transfer of Harmonics in Distribution Networks
  • 2022
  • Ingår i: IEEE Transactions on Power Delivery. - : IEEE. - 0885-8977 .- 1937-4208. ; 37:3, s. 1617-1626
  • Tidskriftsartikel (refereegranskat)abstract
    • This paper presents the role of the medium-voltage network and low-voltage loads in harmonic voltages with low-voltage customers and harmonic propagation. A general model, as well as a detailed transfer function-based model, are used. By applying them to an existing network, it is shown that remote low-voltage loads have a significant impact on the source and transfer impedance. The main impact occurs for a specific range of frequencies below the resonant frequency of the low-voltage network. The general model is able to estimate this frequency range with an acceptable level of accuracy. Furthermore, by utilizing the concept of overall transfer impedance, it is shown that voltage harmonic levels for harmonic orders around this frequency range are determined mainly by aggregated remote emission rather than local emission.
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  • Resultat 1-2 av 2
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refereegranskat (2)
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Nakhodchi, Naser (2)
Busatto, Tatiano (1)
Bollen, Math (1)
Bollen, Math H. J. (1)
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