Sinolitsyy, A. F., Kolsun, V. A. and Kozlov, V. S. (2013) “WAYS OF P-Q THEORY MODERNIZATION FOR WORK IN NON-SINUSOIDAL UNBALANCED VOLTAGE CONDITIONS”, Electrical Engineering & Electromechanics, (5), pp. 65–69. doi: 10.20998/2074-272X.2013.5.14.