Specific knowledge is required to achieve the Performance Criteria of this unit, particularly its application in a variety of circumstances in which the unit may be used. This includes knowledge of the following, as required to establish and maintain the mine electrical installations, reticulation and protection systems: legislative and site requirements, inspections, and reporting procedures electrical protection theory, including earthing systems, coordination and fault level calculations, step and touch potential management fault discrimination and fault clearance characteristics of equipment mining electrical protection systems, including earth continuity monitoring, earth leakage protection, earth fault current limitation and relevant standards typical low and high voltage switching and distribution systems on mines transient over-voltages, harmonics and lightning theory, hazards and protection schemes hazards associated with high energy systems in mining mining cables, faults and consequences, cable protection systems, standards and cable repair classification of hazardous areas and explosion-protected electrical equipment principles, general requirements, verification, testing and standards automatic control system hazards, protection schemes and standards electromagnetic interference hazards, protection schemes and standards management and control of processes for change to software and hard wired based systems electromagnetic interference hazards, protection schemes and standards radio remote control systems hazards, protection schemes and standards safety protective devices associated with welding machines such as Voltage Reducing Devices the principles of electrical installations, reticulation, control and protection system theory the risks associated with and consequences of failure of electrical installations, reticulation, control and protection systems at a mine the risks associated with and consequences of changes to electrical installations, reticulation, control and protection systems at a mine |