Traian Chiulan and Brandusa Pantelimon, Theoretical Study on a Thermal Model for Large Power Transformer Units. journal = {International Journal of Energy and Power Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2007, vol. 9(9). 1273 - 1276 [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/5688.