PLC Programmable Control Technology in the Mine Pit Transportation System

This paper summarizes the definition, function, and characteristics of the programmable control technology, and especially analyzes the operation mode of the 750V DC traction power supply system, the protection setting, the defects of the original system and the factors influencing the safety of power supply. Aimed at the equipment of the PLC programmable control system used in the mine transportation system in recent years, combining parts of the PLC programmable control system equipment used and installed in Tong Ting Coal Mine, this paper introduces the role of the PLC programmable control system and the economic benefits and safety effect.