Experimental Validation of a Method of Drying Cellulose Insulation in Distribution Transformers Using Circulating Synthetic Ester. - Piotr Przybylek; Krzysztof Walczak 004; Wojciech Sikorski; Hanna Moscicka-Grzesiak; Hubert Moranda; Mateusz Cybulski (IEEE Access, 2021)