International Journal of Application or Innovation in Engineering & Management
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ISSN 2319 – 4847
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Call for Paper, Published Articles, Indexing Infromation Grounded Wye – Grounded Zigzag Transformer Connection Modelling in Phase Coordinates for Steady-State Studies, Authors : Saraín Montero Corzo, Nayeli Ramón Lara, Sergio Baruch Barragán Gómez, International Journal of Application or Innovation in Engineering & Management (IJAIEM), www.ijaiem.org
Volume & Issue no: Volume 4, Issue 11, November 2015

Title:
Grounded Wye – Grounded Zigzag Transformer Connection Modelling in Phase Coordinates for Steady-State Studies
Author Name:
Saraín Montero Corzo, Nayeli Ramón Lara, Sergio Baruch Barragán Gómez
Abstract:
ABSTRACT In this paper, an electrical model of a three-phase transformer connected in grounded wye – grounded zigzag configuration is developed, based in the common core three-phase transformer model as in transformation Banks. The proposed model operates under the phase coordinates scheme in order to simulate operating scenarios with balanced and unbalanced load and perform electrical studies in steady-state in an electrical circuit. The theory basis for the three-phase Transformers electrical modelling is presented and after that, the considered criteria for the suggested model development are shown. Also two ways of characterize the obtained model are presented, one by using an equivalent electrical network and other trough current injection sources, the last one is used to simulate an electrical test circuit via an iterative method which calculates the secondary voltages for three different cases with load variation. The load scenarios analyzed are: Very Low Load (open circuit approach), and balanced and unbalanced load per phase. Keywords: electrical analysis, modelling, Zigzag connection, leakage admittance, connection matrix, nodal admittance matrix
Cite this article:
Saraín Montero Corzo, Nayeli Ramón Lara, Sergio Baruch Barragán Gómez , " Grounded Wye – Grounded Zigzag Transformer Connection Modelling in Phase Coordinates for Steady-State Studies " , International Journal of Application or Innovation in Engineering & Management (IJAIEM), Volume 4, Issue 11, November 2015 , pp. 143-152 , ISSN 2319 - 4847.
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