Abstract
Purpose: to find a rational way to regulate the speed of the conveyor belt by the criterion of minimizing the total energy consumption for the operation of the belt conveyor. Methodology: Kariman’s S.A. - determination of specific transportation costs by using conveyor transport. Results: as a result of the obtained data smooth regulation of speed of a tape allows to reduce total energy consumption by 39%. To ensure this method it is necessary to develop complex control algorithms and implement thyristor frequency converters, and the cost of their installation is incomparably higher than the potential energy savings for transportation that they can provide. The use of three-speed discrete control, which is carried out by switching the number of pole pairs or changing the inductance of the motor windings. This method provides a high (up to 27%) reduction in total energy consumption. Increasing the number of operating speeds by more than three does not give a significant increase in additional savings. The difference in power consumption between three and four-speed adjustable drives is 2%. Scientific novelty: determining the most optimal method of regulation, according to the method of Kariman S.A., uses a model that calculates the power consumption in different modes of speed control using the software package "Matlab Simulink". Practical significance: the developed program allows determining the parameters of belt speed control for the whole chain of conveyors taking into account the alternating cargo flow from the treatment face in order to reduce the specific energy consumption for transportation
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