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Harmonic Analysis in Distribution System Planning

Journal: International Journal of Science and Research (IJSR) (Vol.5, No. 10)

Publication Date:

Authors : ; ; ;

Page : 1599-1604

Keywords : Distributed Generator DG; Total Harmonic Distortion THD; Harmonic Limits; Backward/Forward Sweep;

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This thesis describes evaluating size of distribution generators in distribution systems so that voltage harmonic distortions at all the buses in a system are within IEEE 519 limits. The proposed methods are developed for two types of evaluation. One for planning stage and other for the existing distribution feeder. In the first type, typical load patterns are considered for the evaluation of DG size and in the second type, network structures of distribution systems, equivalent current injection formulation and the forward/backward sweep based harmonic load flow are used for evaluating the DG Size. Results show that, capacity of distribution generators will be more when they are connected near the substation. Distortion in voltage increases as the distance of DG from substation increases. Obtained results are validated with MATLAB and MiPOWER results.

Last modified: 2021-07-01 14:45:37