Transfer of Harmonics in Distribution Networks

Validerad;2022;Nivå 2;2022-06-20 (joosat);
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.

Bollen, MathLuleå tekniska universitet,Energivetenskap(Swepub:ltu)matbol (författare)
Busatto, TatianoLuleå tekniska universitet,Energivetenskap(Swepub:ltu)tatbus (författare)
Luleå tekniska universitetEnergivetenskap (creator_code:org_t)

Ingår i:IEEE Transactions on Power Delivery: IEEE37:3, s. 1617-16260885-89771937-4208

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