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 developing HV distribution and sub transmission switching programs All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies KSTSOA High voltage distribution and subtransmission switching programs KS01-TSO37A High voltage distribution and subtransmission switching programs Evidence shall show an understanding of high voltage distribution and subtransmission switching programs to an extent indicated by the following aspects T Transmission distribution and rail systems encompassing Relationship between the transmission distribution and railtram system within an overall power system different organisations responsible for generation transmission distribution and railtram and how they correlate and their functions Characteristics of a transmission a distribution and a rail system principal components typical voltage levels and methods of transmission and distribution including grid type transmission systems radial parallel and ring main feeders Relationship between an overhead and underground supply systems within an overall power system advantagesdisadvantages applications and the basic steps for planning and installing an overhead and underground distribution system Single line drawings and layouts drawings and layouts of transmission and distribution systems including radial parallel and ring main feeders and the HV equipment associated with substations T Different types and function of distribution components encompassing CommonwealthStateTerritory and local government legislation Standards codes Commonwealth StateTerritory and local government legislation supply authority regulations and or enterprise requirements applicable to the use and application of distribution components Requirements for the use of overhead line construction manuals system diagramsplans and drawings Types function and characteristics of distribution components Safety policies and procedures precautions related to the handling and installing distribution components T Coordinating access authority procedures encompassing 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 coordination 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 development of an access authoritypermit andor access authoritypermit issuing procedures Techniques in facilitating and coordinating the delivery and issuing of access authorities Techniques in gathering collating and confirming data on different worksites electrical network diagrams for the specific work site earth access authorities safe working area work to be carried out in confined space or in hazardous environment specific outsourcing procedures specific hazard identification risk classification and management procedures regulatory requirements such as Occupational Health and Safety and electrical safety Techniques in the receiving and coordinating the cancellation of access authorities in readiness for restoration Methods of conducting audits on correct access authority procedures Process of issuing of other access authorities for work permits working in confined space if required coordination of access authorities engaging and briefing contractors on electrical and other work Issue and receipt of operating agreements T Principles of Statutory and safety considerations encompassing CommonwealthStateTerritory legislation standards codes supply authority regulations and or enterprise requirements associated with working on High Voltage Particular reference to State and Territory regulations regarding working near energised conductors electrical access heights confined space testing procedures licensing rules T High voltage switching principles encompassing Standards codes legislation supply authority regulations and or enterprise requirements applicable to switching of high 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 network interconnectors source of possible backfeed Role of the HV switching operator Operational forms access authorities and permits associated with HV switching types of operational forms access authorities and permits purpose and procedure for operational forms access authorities and permits Use and operation of equipment associated with HV overhead and substation equipment test instruments sticks interrupters arc stranglers Types and categories of HV switchgear Application function and operating capabilities of switchgear Restrictions pertaining to HV switching equipment Procedures for the isolation of HV transmission main and working earths Earthing HV electrical apparatus practices and procedures for access purposes of Operational and additional work part onsite earths factors determining the location and effectiveness of Operational earthing acceptable industry procedures personal protective equipment high voltage switching techniques Operate switching apparatus identifying hazards assessing and controlling risks associated with HV switchgear operation systematic and defensive techniques mobile radio procedures double isolation procedures T 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 coordination and protection zoning HV feeder autoreclosing suppression encompassing function application Circuit condition requirements and switching considerations when paralleling and separating HV feeders T High voltage SWER system encompassing Application and function of SWER system components Circuit arrangement Principle of operation Hazards and procedures associated with faulty SWER earth systems Procedure to isolate energise and commission SWER substations T HV system switching principles including switching authorisation procedures to an extent indicated by the following aspects Legislation Standards codes legislation supply authority regulations and or enterprise requirements applicable to system switching Requirements for the use of manuals system diagramsplans and drawings Types and characteristics of HV systems and equipment to be switched Procedures for obtaining correct HV switching authorisation identification of OHS hazards assessing and controlling risks Safety procedures and precautions safe approach distances responsibilities and protocols identifying switching resources procedures for obtaining electrical access permits authorities Requirements for team switching procedures for coordination of operations Techniques in HV system switching preswitching checks switching operational procedures isolation procedures and proving dead deenergised earthing procedures switching operational procedures emergency fault procedures energisation procedures T HV overhead and substation switching principles encompassing Legislation Standards codes legislation supply authority regulations and or enterprise requirements applicable to HV overhead and substation switching Requirements for the use of manuals system diagramsplans and drawings types characteristics and capabilities of HV electrical equipment to be switched use characteristics and capabilities of specialised tools and testing equipment Role and responsibilities of the HV switching operator Operational forms access authorities and permits hazardrisk assessments associated with HV switching types of operational forms access authorities and permits hazardrisk assessments purpose and procedure for operational forms access authorities and hazardrisk assessments Use and operation of equipment associated with HV overhead and substation equipment test instruments sticks interrupters arc stranglers HV switchgear types categories application operating capabilities Operation of HV overhead switching or indicating devices fuses disconnect fuses load switching live line indicators capacitors reclosers sectionalisers underslung links airbreaks switches disconnects live line clamps phasing sticks phasing tester Operation of protection systems and substation equipment fault levels and settings types and applications protection systems and substation equipment fault levels and settings types and applications Restrictions pertaining to HV switching equipment Procedures for the isolation of HV mains and working earths earthing HV electrical apparatus practices and procedures for access authority issuing HV switching techniques Operate switching apparatus identifying hazards assessing and controlling risks associated with HV switchgear operation systematic and defensive techniques mobile radio procedures double isolation procedures T Preparation of a HV switching instruction schedule encompassing Legislation Standards codes legislation supply authority regulations and or enterprise requirements applicable to switching instruction schedules Requirements for the use of manuals system diagramsplans and drawings types characteristics and capabilities of HV electrical equipment to be switched points of isolation and earthing locations safety and working earths responsibilities of the switching operator Techniques in writing switching instructions sequence of switching operations isolation procedures earthing procedures switching completion notification procedures 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 Substation switching practices encompassing Standards codes legislation supply authority regulations and or enterprise requirements applicable to substation switching Requirements for the use of manuals substation diagramsplans and drawings Types characteristics and capabilities of HV substation equipment to be switched Procedures for obtaining correct HV switching authorization identification of hazards and controlling risks safety procedures and precautions responsibilities and protocols identifying switching resources Techniques in HV substation switching isolation procedures and proving dead earthing procedures preswitching checks switching operational procedures emergency fault procedures commissioning procedures Use care and operation of equipment associated with HV substation equipment test instruments sticks HV switchgear types categories application operating capabilities Basic Operation of protection systems Restrictions pertaining to HV substation switching equipment Restrictions pertaining to Enterprise Specific procedures T Transient overvoltages encompassing Causes and effects of transient overvoltages switching transients and lightning transients effects on plant items Control techniques and systems diverters shield wires and CB arc control Insulation systems insulation coordination and insulation grading T Procedure to undertake a visual inspection of a scheme encompassing Standards codes CommonwealthStateTerritory legislation supply authority regulations and or enterprise requirements associated with visual inspection procedures of a scheme Requirements for the use of manuals system diagramsplans and drawings Identify obvious deficiencies in operating to the standard functionality Techniques in determining device malfunction Techniques in determining wiring defects T Commissioning procedures associated with relevant equipment encompassing Standards codes CommonwealthStateTerritory legislation supply authority regulations and or enterprise requirements associated with the commissioning procedures Requirements for the use of commissioning manuals system diagramsplans and drawings Techniques in commissioning procedures planning policy testing techniques close out requirements T Effects of harmonics encompassing Characteristics and effects of harmonics on protection device functionsmalfunction Effects of harmonics on transformers generators motors quality of supply T Different types and function of distribution underground components encompassing Commonwealth StateTerritory and local government legislation supply authority regulations Standards codes and or enterprise requirements applicable to the use and application of distribution underground components Requirements for the use of underground line construction manuals system diagramsplans and drawings Types function and characteristics of distribution underground components Safety policies procedures and precautions related to the handling and installing distribution underground components T HV system load calculation principles encompassing Structure of HV systems Ratings of HV system components Relationship to HV customers Methods of determining load on HV systems Records of load on HV systems Effect of added load on HV feeders variation of current voltage power reactive power and power factor Load flows in parallel or loop operation Enterprise specific network coordination tools |