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A New Three-Phase Three-Winding Transformer Electromagnetic Transient Model

Author(s): Biao Wanga*, Zhenghong Wangb
a Sichuan Electric Power Research Institute, Chengdu 610072, China
b Southwest Petroleum University, Chengdu 610500, China
International Journal of Smart Grid and Clean Energy, vol. 2, no. 1, January 2013: pp. 40–45
ISSN: 2315-4462
Digital Object Identifier: 10.12720/sgce.2.1.40-45

Abstract: This paper firstly points out a defect of the damping trapezoidal method in electromagnetic transient simulation algorithm. The backward Euler method is recommended to use. Then, a new three-phase three-winding transformer model which could consider ratio and connection group feature is put forward. Compared with PSCAD, it is obtained the proposed model is accurate and reliable.

Keywords: Electromagnetic transient, three-phase three-winding transformer, backward Euler method

Full Paper.pdf