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High Voltage Switching DSO (Distribution Switching Overhead)

Initial:

4 = 5 Days

Refresher:

1 Day

Cost

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Description

This unit provides the skills and knowledge to perform high-voltage switching on distribution overhead field apparatus, excluding metal-enclosed switchgear. It covers Green Book principles, roles and responsibilities, operational procedures, hazard identification, safe work practices, PPE use, earthing procedures, communications, and emergency response. Participants will learn to interpret HV single line diagrams, apply systematic switching processes, issue and cancel Electrical Access Authorities, operate HV switchgear safely, and manage fault situations.

Prerequisites

UETDRIS017 – Perform high voltage field switching operation to a given schedule and UETDRIS018 – Perform low voltage field switching operation to a given schedule.

Course aim

On completion, learners will have the knowledge and skills to perform High Voltage Electrical Switching on; all distribution overhead field apparatus, excluding metal enclosed switchgear.

Target learner group

For persons who are required to perform switching on the high voltage Distribution Overhead Network.

Learning activities

Delivery mode

  • Face-to-face led training
  • Theory assessment

Learning outcomes

After successfully completing this unit, a learner should be able to:

  • Locate, interpret, and apply appropriate Regulations, The Green Book and Network Operator Switching procedures relating to HV electrical safety.
  • Identify the function, operation, and precautions associated with high voltage electrical apparatus and associated hardware.
  • Interpret HV single line diagrams and prepare a switching program.
  • Demonstrate switching processes, procedures and communication protocol for the safe switching of the distribution overhead network.
  • Demonstrate effective earthing practices and procedures when earthing HV electrical apparatus for access.
  • Describe the purpose, preparation and procedure for use of operational forms, access authorities and permits associated with HV switching.
  • Issue and cancel access authorities appropriate to the nominated tasks.
  • Describe the functions and operation of common high voltage protection systems and suppression functionality.
  • Identify the requirements for patrolling and switching the HV network in fault situations.

Assessment approach

Learners are assessed using the following methods

  • Theory and written assessments.
  • Direct observation and practical assessment.

Course entry requirements

Learners in this course are required:
  • To have basic literacy and numeracy skills so learners can understand the theory and assessments.
  • Hold the current certification in the required prerequisites.
  • Be sufficiently fit to participate in training. (especially if there are physical elements or field-work context)

Accreditation status

On successful completion of this course, learners will receive a completion certificate.

Equipment & PPE

Learners are required to have the following Personal Protective Equipment:

Safety helmet, safety footwear, high-visibility clothing, safety glasses and insulated gloves.

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