Electrical Assignment

1
Electrical Assignment

• The Automation and Power Systems for Ventilation
  in Underground Mines
• Simon Flint

2
Introduction

• Mine Ventilation Systems
• Power Consumption
• Refrigeration Plants
• Automation for Ventilation Systems

3
What is Ventilation

• Method of providing air to underground workings
• Noxious Gases
• Newmont DBS Mine

4
Power Consumption

• Percentage of overall power consumption
• Generation of power
• Diesel Generators
• Mains Power

5
Power Losses

• Dangerous
• Loss of ventilation
• Refuge chambers

6
Fans

• Types
• Ventilation problems
• Efficiency

7
Cooling Plants

• Refrigeration
• Heat Transfer
• Power consumption

8
Automation and Ventilation

• CANMET system
• Sensors
• Control mechanisms
• Advantages/Disadvantages

9
Conclusion

• Large costs involved
• Important for the safety of workers
• Losses need to be minimised
• Automation is the way of the future