The article presents the possibility of increasing the service life of mill lining. Special attention is paid to the use of rubber linings for mills. A mathematical model of the asynchronous motor of ore grinding mills has been developed, i.e., the moment of resistance is shock. A system of equations for a synchronous motor of a mill plant for the d and q axes is described. Based on mathematical modeling of mill plant operating modes, it was determined that the corrosion coating prolongs the mill's service life, and the transition time is reduced to 10%.
The article analyzes the graphs for the period of electricity consumption in industrial enterprises using a system of time-varying tariffs. Residents and settlements, industrial enterprises, manufacturing enterprises, factories, and several electricity-consuming organizations will be able to pay for electricity consumption at reduced prices because of the application of time-varying tariffs during non-peak hours of the day. If a consumer consumes electricity at night, he can pay for each kWh consumed at a price 1.5 times lower than during the day. Consumers pay less for electricity, which lowers the cost of production. This, in turn, will allow power generating and power supply organizations to ensure the long-term operation of the network and transformers, reduce the load period and provide consumers with quality electricity.
The article presents the problems of cost reduction based on the use of a differentiated tariff in the power system. Information on the economic feasibility of the implementation and rational use of differentiated tariffs for various power systems is presented, concerning the introduction of one-rate and two-rate tariffs based on short-term and low-cost measures. It is shown that the transition to a differentiated tariff system plays an important role in increasing the energy efficiency in large industrial enterprises.
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