The limitation of resonance overvoltage under unloaded autotransformer energising - V. H. Kuznetsov; Yu. I. Tuhai; O. H. Shpolianskyi; Yu. Tuhai; V. V. Kuchanskyi; V. A. Melnychuk (Proceedings of the Institute of Electrodynamics of the National Academy of Sciences of Ukraine, 2015)