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 energised high voltage distribution overhead electrical apparatus glove All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies KSTDPA Live line working up to kV with glove and barrier KS01-TDP14A Live line working up to 33 kV with glove and barrier Evidence shall show an understanding of live lines working up to kV with glove and barrier to an extent indicated by the following aspects T Legislation and Regulations encompassing Legislation standards and codes Supply authority regulations Industry guidelines and enterprise requirements T Safety Precautions for High Voltage Live Work associated to Glove and Barrier encompassing Minimum approach distances OHampS hazard and precautions Assessing and controlling risks Personnel protective equipment High Voltage live work access Autoreclose function Fault current protective devices Integrity of insulation Specialised equipment and tools Inspection of equipment and tools Use of specialised equipment and tools Work team communication Use of safety observers Emergency response first aid and rescue T Policies and procedures for glove and barrier work up to and including kV encompassing Policies procedures and practices Definition of terms Responsibilities of personnel Types of structures Types of equipment and compliance T Glove and barrier techniques up to and including kV encompassing High Voltage insulators High Voltage cross arms High Voltage bridge connections Installation and maintenance of equipment Temporary Midspan switching devices Erection and replacement of poles Replacement of conductors and cables High voltage armour rods and line guards Conversion intermediate to strain construction Switching devices T Safety precautions for plant equipment and tools encompassing Safe working clearances Identification of OHampS hazards Assessing and controlling risks and hazards Personal protective equipment T Identification and serviceability of plant equipment and tools encompassing Identification of plant equipment and tools Serviceability of plant equipment and tools T Operational use of plant equipment and tools encompassing Conductor supports Selecting conductor support method Calculation of loads Effects of secondary loading Effects of resultant forces Conductor support rigging procedures Displacement of conductors utilising rigging equipment T Electrical and electrostatic principles encompassing Relationship with current voltage and resistance as related to distribution lines Phase voltage and respective line voltages Production of an electric field T High voltage insulation encompassing Construction of disc insulators Construction of a polymeric insulator Checking integrity of insulation prior to work commencement Effects of electrical fields on disc insulators Number of disc insulators needed Performance of a failed disc insulator on the line and system Minimum number of discs per string Detecting a failed disc insulators T Effects of electrostatic Induction on the human body encompassing Electrostatic induction and the human body Application of a faraday cage T Switching surges and magnetic fields encompassing Lightning and switching surges Magnetic fields T High Voltage switching fundamentals encompassing Standards and requirements Standards codes legislation supply authority regulations industry guidelines and enterprise requirements Manuals system diagramsplans and drawings High Voltage live work access authoritypermit system Operational forms High voltage switching or outage requests Fault current protection devices main and backup devices components types categories applications functions principle of operation coordination zoning autoreclosing suppression paralleling and separating and ring verses radial feeders Disabling autoreclose function Network interconnectors Test instruments Types and categories of switchgear application function and operating capabilities restrictions Operate switching apparatus identifying hazards assessing risks systematic and defensive techniques mobile radio double insulation High Voltage electrical faults types causes and effects T High voltage SWER system encompassing Components Circuit arrangement Operation principles Faulty SWER earth system SWER substations T Safety Observer principles encompassing Duties Techniques Minimum Approach Distances MAD Minimum safe working distance from vegetation T Feeder automation system encompassing Function Main components Field devices SCADA systems interlocks and operation T System Control and Data Acquisition SCADA systems encompassing Function and main components Security interlocks and access restrictions Switching apparatus and retrieving data operation Field devices operation T Teamwork High Voltage Live Work |