Combined analytical and FEM methods for parameters calculation of detailed model for dry-type transformer |
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| Authors: | M. Eslamian B. Vahidi S.H. Hosseinian |
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| Affiliation: | 1. Electrical Engineering Department, Faculty of Engineering, Ferdowsi University of Mashhad, Mashhad, Iran;2. Institute of Electric Power Systems, Division of High Voltage Engineering and Asset Management, Schering-Institute, Leibniz University of Hannover, Hannover, Germany;1. High Voltage Institute, ECE Department, University of Tehran, Tehran, Iran;2. Institute of Power Transmission and High Voltage Technology (IEH), Stuttgart University, Stuttgart, Germany;1. Universidad del Valle, Ciudad Universitaria Meléndez, Calle 13, No. 100-00, Cali, Colombia;2. Universidad Carlos III de Madrid, Av., Universidad 30-28911 Leganés, Madrid, Spain;1. Électricité de France R&D, 1 avenue du G. De Gaulle, Clamart 92141, France;2. University of Zagreb, Faculty of Electrical Engineering and Computing, Unska 3, Zagreb 10000, Croatia;3. Clermont Université, Université Blaise Pascal, Institut Pascal, 24 avenue des Landais, Aubière 63177, France |
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| Abstract: | Non-flammable characteristic of cast-resin dry-type transformers make them suitable for different kind of usages. This paper presents a method of how to obtain high frequency model of these transformers. For this purpose a detailed model is used and parameters of the model including inductances, capacitances and resistances are calculated using FEM (finite elements method). The effect of the frequency is considered in the inductance calculation using FEM. In order to validate the model, a setup was constructed for testing on high-voltage winding of dry-type transformer. The simulation results were compared with the experimental data measured from FRA (frequency response analysis) and impulse tests. |
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