APPLICATION OF DC-DC CONVERTER IN CONTROLLING THE ELECTRIC DRIVE SYSTEM OF THE СБЩ-250MH ROTARY BLAST HOLE DRILL
DOI:
https://doi.org/10.62985/j.huit_ojs.vol26.no2E.396Keywords:
Rotary blast hole drill, Electric drive system, DC-DC converter, RectifierAbstract
Power electronics is currently extensively applied in the area of electric drive control with high efficiency. This paper presents the research on replacing the speed control method for the СБЩ-250MH rotary blast hole drill from a rectifier-motor system to a control method utilizing a DC-DC power converter. The operational results of the drive system using the new method are simulated via MATLAB- SIMULINK software, and simulation results indicate that the system utilizing the DC-DC converter fully meets the operational quality requirements of the rotary blast hole drill, providing flexible voltage regulation, guaranteed continuous current, and rapid speed stabilization. Furthermore, the new solution simplifies the control circuit structure, reduces maintenance costs, and enhances overall energy efficiency. This research opens up prospects for the widespread application of DC-DC converters in replacing the legacy drive systems of rotary drill used specifically in the mineral mining sector generally in industrial electric drive systems.
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