Essential Knowledge and Associated Skills EKAS This describes the essential skills and knowledge and their level required for this unit Evidence shall show that knowledge has been acquired of maintaining HV power system breakers All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies KSTSBA High voltage power system circuit breakers KS01-TSB24A High voltage power system circuit breakers Evidence shall show an understanding of high voltage power system circuit breakers to an extent indicated by the following aspects T Safe working on energised low voltage equipment encompassing Standards codes Commonwealth StateTerritorylocal government legislation supply authority regulations and or enterprise requirements Safety precautions specific to working on or near energised low voltage conductors safe working practices and procedures identification of hazards assessment and control of OHS risks types selection maintenance and use of personal protective equipment Work on or near energised LV conductors types and function of specialised tools safe working practices when using specialised tools methods of using specialised tools safe procedures for work on panels and in cubicles on or near energised LV conductors release and rescue procedures for work on or near exposed energised LV conductors T Low voltage switching principles encompassing Standards codes legislation supply authority regulations and or enterprise requirements applicable to switching of low voltage to a given schedule Requirements for the use of manuals system diagramsplans and drawings types characteristics and capabilities of electrical apparatus use characteristics and capabilities of specialised tools and testing equipment LV network interconnectors source of possible backfeed Low voltage switching techniques identifying hazards assessing and controlling risks associated with LV switching operations electrical access permits operational procedures earthing procedures Personnel protective equipment PPE for LV switching T Enterprise specific policy and procedure instructions encompassing Responsibilities and duty of care of employer and employee relationship Methods of obtaining the uptodate information on enterprise policy and procedures Rules and regulations Induction into workplace location of work area and storage area timetable uniform personal wellbeing housekeeping rules emergency procedures evacuation procedures Techniques when deal with others working in teams customer relation complaint and issues procedures Overview of enterprise professional development fire fighting procedures fatigue management training and competency development understanding and promotion T Enterprises specific OHS instructions encompassing Standards codes legislation supply authority regulations and specific enterprise regulations pertaining to the OHS policies and procedures Methods of obtaining the uptodate information on enterprise OHS policy and procedures Specific enterprise personal protection equipment type and application where and when to be used method of replacement responsibility of maintenance including cleaning inspection and testing emergency response rescue evacuation and First Aid procedures Personal wellbeing hygiene fatiguestress management drugsalcohol OHS training induction training specific hazard training specific task or equipment training emergency and evacuation training training as part of broader programs such as equipment operation OHS records including audits inspection reports workplace health and environmental monitoring records training and instruction records manufacturers and suppliers information such as MSDSs registers maintenance reports workers compensation and rehabilitation records and First Aidmedical records T Enterprises specific technical drawing and documents encompassing Types and application of enterprise specific drawings and documents electrical and electronic drawings mechanical drawings project charts schedules graphs technical manuals and catalogues Instructionworksheets sheets types and application of enterprise specific symbols and diagrams Title box description of parts and version control T Enterprise specific switching diagrams and drawing encompassing Types and application of enterprise specific switching drawings and documents wiring and schematic diagrams and switching symbols mechanical drawings dealing with switching operations project charts switching schedules graphs technical manuals and catalogues instructionwork sheets Interpretation of different system switching diagrams LV system switching diagrams DC traction supply sectioning diagrams HV transmission and distribution system symbols and feeder plans processes of updating switching diagrams T Enterprises specific specialised tools encompassing Legislation Standards codes legislation supply authority regulations and specific enterprise regulations pertaining to the use and care of specialised tools voltage detectors polarity testers phase rotation Characteristics capabilities and application of specialised tools for a particular job Safety policies procedures and precautions with regards to using transporting and storage of specialised tools Selection methods for obtaining the correct specialised tool for the particular job including during procurement purchasing and or hiring arrangements Techniques in preuse inspection on the serviceability of specialised tools Techniques in the selection use maintenance and care and storage of specialised tools Identifying OHS hazards assessing and controlling risks associated with their use Techniques for the safe use of specialised power tools T Enterprise Specific Equipment Installation Procedures encompassing Standards codes legislation supply authority regulations and or enterprise requirements applicable to equipment installation Requirements for the use of manuals substation diagramsplans and drawings Types characteristics and capabilities of HV substation equipment to be installed Identification of components within the equipment to be Installed and associated control housings Use characteristics and capabilities of specialised tools and equipment Enterprise Specific Policies and Procedures for equipment to be installed Control equipment and auxiliary relays flags and alarms Techniques in evaluating serviceability of equipment to be Installed Safety precautions when testing and measuring equipment to be Installed safe working practices and procedures identification of hazards assessment and control of OHS risks types selection maintenance and use of personal protective equipment responsibilities and protocols safe working clearances Remote and local operating principles and conventions T Enterprise Specific Data Management Processes encompassing Standards codes legislation supply authority regulations and or enterprise requirements applicable to Data Management Requirements for the use of manuals substation diagramsplans and drawings Types of enterprise specific computer software Techniques in storing and retrieving data and reports from the computer Techniques in using the Data Management systems in following necessary commands and protocols in accordance with the Enterprise Specific Procedures Calculation of results and data measurements using the computer Techniques in the preparation of preliminary works creation and closure T Fault conditions and symptoms related to the plant andor equipment type encompassing Standards codes Commonwealth StateTerritorylocal government legislation supply authority regulations and or enterprise requirements pertaining to typical fault conditions and systems Interpretation of faults in operating mechanisms which may include drive trains and mechanical power drives stored energy systems including hydraulic systems pneumatic systems and mechanical storage systems accumulators Interpretation of faults in electrical control systems which may include electromechanical relay systems microprocessor based systems PLC systems integrated control systems or combinations of electricalmechanical systems Types of electrical systems including AC DC and combinations of both Types of fault conditions failure to operate failure in service and include the appropriate procedures for work on in service plantequipment Types of symptoms alarms relay flags mechanical defects insulation deterioration leaks overpressure under pressure out of tolerance measurements and checks T Substation equipment components and materials related to the plant andor equipment type encompassing Types of components complete unit of plant andor equipment replacement components or appropriate substitutes their dimensions suitability and serviceability also the components associated with the local control systems of the equipment including indication of levels quantities volumes pressures and temperatures and the operating principles of these devices and components Types of materials insulation construction fabrication or lubrication of the plantequipment Techniques in enterprise procedures and regulatorylegislative requirements for the handlinguse and storage of equipment components and materials which may present an OHS hazard to persons in the workplace T Substation safety practices encompassing Standards codes Commonwealth StateTerritorylocal government legislation supply authority regulations and or enterprise requirements pertaining to substation safety practices Techniques in the use of protective apparatus and apparel for substations work including responsibilities with regard to the use and maintenance of protective apparatus and apparel and the types of protective apparatus and apparel used for work in substations Requirements for the use of ladders and appropriate ladder types for work in substations safe work methods when carrying erecting collapsing and lowering different types of extension ladder against substation structures plant and equipment maintenance checks on different types of ladders renewal of extension ropes and the safety issues relating to clearances from energised conductors Requirements for climbing and working at heights in substations attached climbing principles selection use and operation of elevated work platforms and any OHS requirements associated with the use of EWPs Control of small fires identification selection and operation of the appropriate extinguishing mediums for various types of fires and the precautions for personal protection when fighting small fires Control of oil spills identification use and maintenance of spill oil control equipment and materials oil containment facilities and systems Rescue and release procedures the rescue personnel from energised conductors emergency descent from an EWP and may include rescue from confined spaces Enterprise requirements safe access and Authorisation to Work procedures use of mobile extendable equipment on or near energised HV conductors emergency response procedures Hazards associated with work in substations including earthing systems transfer potentials step and touch effects electrostatic and electromagnetic induction dangers of near approach to energised conductors T Design principles of Substation LV AC and DC supply systems encompassing Standards codes Commonwealth StateTerritorylocal government legislation supply authority regulations and or enterprise requirements Wiring conventions systems and labelling conventions Substation equipment identification and layout wiring and schematic diagrams and other appropriate diagrammatic representations LV design specifications supply requirements electrical load assessments Substation LV system distribution requirements substation batteries isolation requirements paralleling requirements battery chargers DC distribution panels and control systems AC distribution panels and control systems auto changeover requirements Control equipment and auxiliary relays flags and alarms Common panel layouts T Design principles of hydraulic and pneumatic operating mechanism principles encompassing Standards codes Commonwealth StateTerritorylocal government legislation standards supply authority regulations and or enterprise requirements Control system operating diagrams including nomenclature symbols and operating sequences units of measurement Fundamentals of pressure intensification forces and energy accumulators Applications for substation high voltage equipment circuit breaker operating mechanisms interrupter mechanisms pumps and compressors GIS operating mechanisms and transformer cooling systems Safety precautions for work on hydraulic andor pneumatic systems safe working practices and procedures identification of hazards assessment and control of OHS risks types selection maintenance and use of personal protective equipment T Low voltage substation switching principles encompassing Standards codes legislation supply authority regulations and or enterprise requirements applicable to low voltage substation switching Requirements for the use of manuals system diagramsplans and drawings types characteristics and capabilities of LV electrical equipment to be switched use characteristics and capabilities of specialised tools and testing equipment Role and responsibilities of the LV switching operator Operational forms access authorities and permits associated with LV switching types of operational forms access authorities and permits purpose and procedure for operational forms access authorities and permits Use care and operation of equipment associated with LV substation switching LV switchgear types categories application operating capabilities Operation of LV substation switching or indicating devices Operation of protection systems and substation equipment Restrictions pertaining to LV switching equipment Earthing LV electrical apparatus practices and procedures for access Low voltage switching techniques Restrictions pertaining to Enterprise Specific procedures T Circuit breaker operating principles encompassing Standards codes legislation supply authority regulations and or enterprise requirements applicable to circuit breakers Requirements for the use of manuals circuit breaker diagramsplans and drawings Operation of protection systems and substation equipment associated with circuit breakers Use characteristics and capabilities of specialised tools and equipment Capabilities of operating mechanisms Capabilities of interrupter chambers Enterprise Specific Policies and Procedures for the operation of circuit breakers Techniques in evaluating serviceability of circuit breaker operation Control equipment and auxiliary relays flags and alarms Safety precautions when Constructing circuit breakers safe working practices and procedures identification of hazards assessment and control of OHS risks types selection maintenance and use of personal protective equipment responsibilities and protocols access for operating |