Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners

UETTDRSB32 Mapping and Delivery Guide
Maintain power transformer on load tap changers (OLTC)

Version 1.0
Issue Date: May 2024


Qualification -
Unit of Competency UETTDRSB32 - Maintain power transformer on load tap changers (OLTC)
Description
Employability Skills
Learning Outcomes and Application This unit involves the skills and knowledge required to maintain power transformer on-load tap changers (OLTC) in the electricity supply industry (ESI).It includes maintaining, repairing and overhauling substation voltage regulating equipment restricted to resistor and reactor type high speed OLTC but does not include the main tank tap selector mechanism. It also includes inspecting, recording of information, testing and measuring of associated control circuits, range of acceptance tests required on installed complete units within the parent power transformer, diagnostic and pre-commissioning checks and tests involving tap changers and interpreting these results against agreed specifications.The application of the skills and knowledge described in this unit may require a licence/registration to practice in the workplace.Other conditions may apply under state and territory legislative and regulatory licensing requirements which must be confirmed prior to commencing this unit.
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.
Prerequisites/co-requisites
Competency Field Substation
Development and validation strategy and guide for assessors and learners Student Learning Resources Handouts
Activities 		Slides
PPT 		Assessment 1 Assessment 2 Assessment 3 Assessment 4
Elements of Competency Performance Criteria              
Element: Prepare to maintain voltage regulating equipment (tap changers)
  • Work schedules, construction plans, drawings, workplace procedures and material lists are obtained and analysed
       
Element: Job requirements and workplace procedures are identified and communicated with relevant personnel
       
Element: Hazards are identified, work health and safety (WHS)/occupational health and safety (OHS)risks assessed and control measures prioritised, implemented and monitored in accordance with workplace procedures
       
Element: Work is prioritised and sequenced for completion within acceptable timeframes following consultation with relevant personnel and in accordance with workplace procedures
       
Element: Risk control measures are identified, prioritised, implemented and evaluated against the work schedule
       
Element: Equipment, tools and personal protective equipment (PPE) required for work are identified, obtained and confirmed in working order
       
Element: Liaison and communication issues with authorised personnel, authorities, clients and land owners are resolved to facilitate work, as required
       
Element: Personnel participating in work are fully briefed and responsibilities confirmed in accordance with workplace procedures
       
Element: Worksite is prepared to minimise risk, damage to property, commerce and individuals in accordance with workplace procedures
       
Element: Carry out the maintenance of voltage regulating equipment (tapchangers)
  • WHS/OHS, sustainable energy and environmental principles and practices are monitored and actioned to reduce incidents of accidents in accordance with workplace procedures
       
Element: Cardiopulmonary resuscitation (CPR), rescue from live electrical apparatus and other related safety procedures are in place in accordance with job requirements and/or workplace procedures
       
Element: Safe working documentation is acquired and requirements completed in accordance with workplace procedures
       
Element: Requirements for lifting, climbing, working at heights, confined spaces and use of power tools/equipment are followed in accordance with workplace procedures
       
Element: Hazard warnings and safety signs are recognised and hazards and assessed WHS/OHS risks are reported to immediate authorised personnel for directions in accordance with workplace procedures
       
Element: Oil circuits are isolated and tap changer vessels drained in accordance with workplace and environmental protection procedures
       
Element: Tap changer is withdrawn and maintained in accordance with manufacturer instructions and workplace procedures
       
Element: Pre-service tests and measurements are conducted in accordance with workplace procedures
       
Element: Voltage regulating equipment (tap changers) are safely maintained to ensure completion in agreed timeframes, to quality standards and with minimum waste
       
Element: Unplanned events or conditions are responded to in accordance with workplace procedures
       
Element: Complete the maintenance of voltage regulating equipment (tapchangers)
  • Completed work is checked against works schedule, construction plans and drawings for compliance and anomalies are reported in accordance with workplace procedures
       
Element: Safe working documentation is surrendered and transformer made ready for service
       
Element: Worksite is rehabilitated, cleaned up and confirmed safe in accordance with workplace procedures
       
Element: Tools, equipment, surplus resources and materials are cleaned, checked and returned to storage in accordance with workplace procedures
       
Element: Work records, reports and/or documentation are completed in accordance with workplace procedures and relevant personnel notified
       

Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assignment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)

Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

Range is restricted to essential operating conditions and any other variables essential to the work environment.

Non-essential conditions may be found in the Companion Volume Implementation Guide.

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Work schedules, construction plans, drawings, workplace procedures and material lists are obtained and analysed 
 
 
 
 
 
 
 
 
WHS/OHS, sustainable energy and environmental principles and practices are monitored and actioned to reduce incidents of accidents in accordance with workplace procedures 
 
 
 
 
 
 
 
 
 
Completed work is checked against works schedule, construction plans and drawings for compliance and anomalies are reported in accordance with workplace procedures 
 
 
 
 

Forms

Assessment Cover Sheet

UETTDRSB32 - Maintain power transformer on load tap changers (OLTC)
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

Feedback to student

 

 

 

 

 

 

 

 

Assessor name:

Signature:

Date:

Assessment Record Sheet

UETTDRSB32 - Maintain power transformer on load tap changers (OLTC)

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

Date: