8) 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 voltage regulating equipment - on load tapchangers. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-TSB32A Power transformer on load tap changers (OLTC) Evidence shall show an understanding of power transformer on load tap changers (OLTC) to an extent indicated by the following aspects: T1 Enterprise specific — policy and procedure instructions encompassing: Responsibilities and duty of care of employer and employee relationship Methods of obtaining the up-to-date information on enterprise policy and procedures Rules and regulations Induction into workplace - location of work area and storage area, timetable, uniform, personal well-being, 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 T2 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 up-to-date 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 well-being – hygiene, fatigue/stress management, drugs/alcohol 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 Aid/medical records T3 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 Instruction/worksheets sheets - types and application of enterprise specific symbols and diagrams Title box - description of parts and version control. T4 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, instruction/work 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 T5 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 pre-use 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. T6 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 diagrams/plans 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 T7 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 diagrams/plans 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. T8 Principles of power transformer high speed on load tap changers encompassing: Selector types and applications for high voltage power transformers Diverter switch types and applications for high voltage power transformers including live tank, dead tank, resistor type, reactor type, vacuum type, pennant flag, pennant cycle Ratings and construction principles Operating mechanism types, stored energy systems and associated control systems Operating principles and operating sequences of selectors and diverters Measurement requirements including contacts, differential wear, transition resistors and transient protection devices, rotation lag, out of sequence controls and end-of-life unit and component assessment Online diagnostic tools and devices Ancillary equipment including online filters, over pressure relays and devices Testing requirements including cycle timing, differential delay, energy accumulator mechanical and operational tests and control system functional tests Safety precautions when testing and maintaining high voltage power transformer on load tap changers - safe working practices and procedures, identification of hazards, assessment and control of OHS risks, types, selection, maintenance and use of personal protective equipment. |