Research on the Application of Anti-overleap Tripping Technology in Coal Mining Enterprises
The safe and stable operation of the power supply system is a prerequisite for the normal operation of coal mining enterprises.Focusing on the anti-over-trip technology,this article first analyzes the main reasons for over-trip in coal mine power supply systems.Then,it introduces the technical methods for preventing over-trip in power supply systems from four aspects:device voltage stabilization,automatic networking,voltage fluctuation recognition,and centralized control of substations.Finally,taking the Hami Coal-Electricity Company of China Energy Group as an example,combined with the current operating status of the underground high-voltage power supply system,the application of short-circuit quick-break locking technology for preventing over-trip is elaborated.The research shows that the application of anti-over-trip technology in coal mine power supply systems can ensure that switches at all levels perform trip operations in sequence,prevent large-scale power outages,and improve mine production efficiency and safety.
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