For citations:

Manakhov V.A., Tsvetkov A.N. Determination of the state and functioning of the equipment of rod well pumping units in the operation process by the parameters of the wattmetrogram. Power engineering: research, equipment, technology. 2021;23(3):127-139. (In Russ.) https://doi.org/10.30724/1998-9903-2021-23-3-127-139