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 coordinating HV Transmission networks. All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies. KS01-TSO47A High voltage transmission network - coordination Evidence shall show an understanding of high voltage transmission network - coordination to an extent indicated by the following aspects: T1 High voltage fault switching principles encompassing: Primary causes, effects and types of HV electrical faults HV protection devices - main components, types, categories, applications, functions Basic principle of operation of HV system protection devices Protection co-ordination and protection “zoning” HV feeder auto-reclosing suppression encompassing – function, application Circuit condition requirements and switching considerations when paralleling and separating HV feeders. T2 Coordinating and directing switching instructions encompassing: Legislation, Standards, codes, legislation, supply authority regulations and or enterprise requirements applicable to switching sheet instructions Specific enterprise processes, policies and procedures to be followed Processes of consultation, negotiation and coordination - clear and concise instructions and information, methods for the encouragement of feedback and contributions of information and ideas, responsibilities of members of the team. Techniques in analysing, planning, co-ordination and organising work for a safe outcome and according to statutory requirements and regulations Techniques in the effective utilisation of available resources Techniques in the co-ordination and directing of switching schedules instructions Relationship between the operating authorities and HV customers, operating agreements Techniques in co-ordinating and directing HV and LV switching of electrical networks Requirements for the use of manuals, system diagrams/plans and drawings - types, characteristics and capabilities of LV and HV electrical equipment to be switched Responsibilities of the switching operator Techniques in writing switching instructions - sequence of switching operations, isolation procedures, earthing procedures, switching completion notification procedures Techniques in gathering, collating and confirming data on switching procedures T3 AC transmission system components encompassing: Support structures and reasons for selection Insulators and reasons for selection Conductors and reasons for selection Vibration management systems and principles Line ratings based on voltage, span, tension and temperature T4 AC transmission line models encompassing: Types of transmission line models based on line length Calculation of voltage drop, line regulation, and transmission efficiency Load sharing between lines T5 Basic design features and characteristics of transmission structures and associated equipment and or components encompassing: Standards, codes, legislation, supply authority regulations and or enterprise requirements applicable to installing of poles/structures and associated equipment and or components Transmission systems principles – terminologies, primary and secondary, voltage levels, types of lines Characteristics of structure - types of structure (towers and poles, concrete and steel), characteristics of types of structures, installation methods, maintenance techniques Characteristics of associated equipment used on structures – insulators, earthing (overhead earth and communication lines) |