DC and AC Tests of Moisture Electrical Pressboard Impregnated with Mineral Oil or Synthetic Ester—Determination of Water Status in Power Transformer Insulation by Pawel Zukowski, Przemyslaw Rogalski, Tomasz N. Kołtunowicz, Konrad Kierczynski, Marek Zenker, Alexander D. Pogrebnjak, Matej Kucera

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Research on the Influence of Moisture Exchange between Oil and Cellulose on the Electrical Parameters of the Insulating Oil in Power Transformers by Konrad Kierczynski, Przemyslaw Rogalski, Vitalii Bondariev, Pawel Okal, Daniel Korenciak

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Diagnostics on the Basis of the Frequency-Temperature Dependences of the Loss Angle Tangent of Heavily Moistured Oil-Impregnated Pressboard by Tomasz N. Kołtunowicz, Konrad Kierczynski, Pawel Okal, Aleksy Patryn, Miroslav Gutten

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Enhancement of the Technique for Calculation and Assessment of the Condition of Major Insulation of Power Transformers by Olga Melnikova, Alexandr Nazarychev, Konstantin Suslov

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Research on Voltage Compensation Methods and Optimization Algorithm for Insulated Core Transformer High-Voltage Power Supply by Lei Yang, Xialing Liu, Jun Yang

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