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Title: | Three-phase asymmetrical load-flow | Authors: | Strezoski V. Trpezenovski L. |
Issue Date: | 1-Oct-2000 | Journal: | International Journal of Electrical Power and Energy Systems | Abstract: | This paper deals with the three-phase asymmetrical load-flow problem. It presents a solution of this problem in the sequence domain, which is more efficient than standard solutions in both the phase and the sequence domain. It spedally copes with the asymmetrical states of unbalanced power systems. The efficiency is achieved by introducing the following basic advancements of the standard asymmetrical load-flow calculations: (1) elimination of phase-shifts from the sequence circuits of three-phase transformers; (2) enhancement of the standard classification of power systems buses to provide a correct treatment of Q limits enforcement; (3) synthesizing of buses of the generators and step-up transformers in the transformers high voltage buses; thus, reducing the form of the three-phase asymmetrical load-flow models to the form of symmetrical modes. The efficiency of the presented solution in memory, CPU time and robustness is confirmed on the basis of several examples. © 2000 Elsevier Science Ltd. All rights reserved. | URI: | https://open.uns.ac.rs/handle/123456789/14443 | ISSN: | 01420615 |
Appears in Collections: | FTN Publikacije/Publications |
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