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Three-phase transformer modeling for forward/backward sweep-based distribution systems power flow algorithms

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2 Author(s)
Eminoglu, U. ; Gebze Institute of Technology, Department of Electronics Engineering, Kocaeli 41400, Turkey ; Hocaoglu, M. H.

This paper provides a new approach for modelling of distribution transformer in the forward/backward sweep-based algorithms for unbalanced distribution systems. For the transformer modelling symmetrical components theory is used and zero sequence-voltage and -current updating for the sweep-based methods is shown. The validity and effectiveness of the proposed method is demonstrated by a simple two-bus balanced and unbalanced system for grounded wye-delta and delta grounded wye transformer connections. Results are in agreements with the literature and show that the proposed model is valid and reliable.

Published in:

Universities Power Engineering Conference, 2007. UPEC 2007. 42nd International

Date of Conference:

4-6 Sept. 2007