Todorov , O., Bialobrzheskyi , O., Reva, I. and Bezzub, M. 2021. Subsystem of sample processing of active and reactive power of transformer substation. Electrical Engineering and Power Engineering. 2 (Jun. 2021), 25–32. DOI:https://doi.org/10.15588/1607-6761-2021-2-3.