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Title: Hosting capacity assessment and improvement for photovoltaic-based distributed generation in distorted distribution networks
Authors: Sakar, S
Balci, ME
Abdel Aleem, SHE
Zobaa, AF
Keywords: Distributed generation;Harmonic analysis;Hosting capacity;Optimization;Passive filters;Power quality
Issue Date: 2016
Publisher: IEEE
Citation: 16th IEEE International Conference on Environment and Electrical Engineering, Florence, Italy, (6-8 June 2016)
Abstract: In this paper, the hosting (or maximum allowable) capacity of a photovoltaic (PV)-based distributed generation (DG) unit for a typical two bus distorted distribution system, is analyzed. The harmonic constraints, total and individual harmonic distortion limits stated in IEEE Standard 519, and the conventional hosting capacity constraints, bus rms voltage limit and the current carrying capability limit of the supply cables are taken into account. In the analysis, various simulations are carried out to show the effect of the nonlinearity degrees of the loads on the system’s hosting capacity. It is clearly seen from the analysis results that the harmonic distortion limits significantly constrain the PV-based DG unit hosting capacity for the higher nonlinearity levels of the consumer. Accordingly, a C-type filter is designed to maximize the hosting capability of the studied system while providing desired power factor and satisfying the harmonic and conventional hosting capacity constraints. Besides, the numerical results are given to point out that a higher allowable hosting capacity is obtained with the proposed filter design approach compared to two traditional filter design approaches, which aims to attain minimization of voltage total harmonic distortion and minimization of current total demand distortion by considering the same constraints of the proposed approach.
Appears in Collections:Dept of Electronic and Computer Engineering Research Papers

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