SPb: SPGGI, 1999. - 41 s. The requirements for electric drives of machines and mechanisms used in technological processes at the processing plants of mining and processing plants, and electric drives of these machines. are considered. Methods for determining engine power are described, control circuits are described. Attention is drawn to the fact that enrichment machines are united by a common technological flow and combined into flow-transport systems (PTS), which is reflected in the control schemes of individual PTS mechanisms. Schemes of control of systems of thick and liquid lubrication of enrichment machines and mechanisms are considered.