THE DEVELOPMENT OF THE THEORY OF INSTANTANEOUS POWER OF THREE-PHASE NETWORK IN TERMS OF NETWORK CENTRISM Journal title: Електротехніка і Електромеханіка Authors: Y.I. Sokol, Yu.A. Sirotin, T.S. Iierusalimova, O.G. Gryb, S.V. Shvets, D.A. Gapon Subject(s):