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

UEERE0028 Mapping and Delivery Guide
Design hybrid renewable power systems

Version 1.0
Issue Date: May 2024


Qualification -
Unit of Competency UEERE0028 - Design hybrid renewable power systems
Description
Employability Skills
Learning Outcomes and Application This unit involves the skills and knowledge required to design a hybrid renewable power system and its installation.It includes determining and developing hybrid power systems design, following design briefs, documenting design calculations and criteria, and obtaining approval for hybrid renewable power system design.No licensing, legislative or certification requirements apply to this unit at the time of publication.
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.

Assessors must hold credentials specified within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must satisfy the Principles of Assessment and Rules of Evidence and all regulatory requirements included within the Standards for Registered Training Organisations current at the time of assessment.

Assessment must occur in suitable workplace operational situations where it is appropriate to do so; where this is not appropriate, assessment must occur in simulated suitable workplace operational situations that replicate workplace conditions.

Assessment processes and techniques must be appropriate to the language, literacy and numeracy requirements of the work being performed and the needs of the candidate.

Resources for assessment must include access to:

a range of relevant exercises, case studies and/or simulations

relevant and appropriate materials, tools, facilities and equipment currently used in industry

resources that reflect current industry practices in relation to designing hybrid renewable power systems

applicable documentation, including workplace procedures, equipment specifications, regulations, codes of practice and operation manuals.
Prerequisites/co-requisites
Competency Field Renewable Energy
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 design hybrid renewable power system
  • Work health and safety (WHS)/occupational health and safety (OHS) processes and workplace procedures for a given work area are identified, obtained and applied
       
Element: Scope of the system is determined from design brief
       
Element: Safety and other regulatory requirements to which the renewable power system installation must comply are identified and applied
       
Element: Design development work is planned to meet scheduled timelines in consultation with relevant person/s involved in the hybrid power system installation or associated work
       
Element: Develop hybrid renewable power system design
  • Hybrid renewable power system performance standards and compliance methods are applied to the design
       
Element: Alternative hybrid renewable power system designs are considered in accordance with the design brief
       
Element: Safety, functionality and budgetary considerations are incorporated in the hybrid renewable power system design
       
Element: Hybrid renewable power system design is drafted and checked for compliance with the design brief and regulatory requirements
       
Element: Hybrid renewable power system design is documented for submission to relevant person/s for acceptance and approval
       
Element: Unplanned situations are dealt with safely and effectively in accordance with workplace procedures
       
Element: Obtain design approval for hybrid renewable power system
  • Hybrid renewable power system design is presented for approval and any issues clarified with client representative and/or relevant person/s
       
Element: Requests for alterations to the design are negotiated with relevant person/s within the constraints of workplace policies
       
Element: Final design is documented and approval obtained from relevant person/s
       
Element: Quality of work is monitored in accordance with relevant performance agreement and/or workplace procedures or industry standards
       


Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least one occasion and include:

developing outlines of alternative designs

developing the design within the safety and functional requirements and budget limitations

documenting and presenting design effectively

successfully negotiating design alteration requests

obtaining approval for final design

dealing with unplanned events

applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including:

implementing workplace procedures and practices

using risk control measures

applying sustainable energy principles and practices when designing hybrid renewable power system

designing hybrid renewable power system

preparing to design hybrid power system in accordance with design brief.

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

hybrid energy systems, including:

energy demand encompassing:

end-use services and energy demand for each service

most appropriate energy sources for each energy service for a given application and location, taking into consideration economic, environmental and client requirements

greenhouse gas savings from a hybrid energy system compared to an existing non-hybrid system, resulting from energy source switching and reduction in fuel usage

daily load profiles illustrating average demand and maximum demand, based on time of use data for all electrical loads

daily load profiles based on given load data, with consideration of likely variations in usage patterns

load management strategies and or energy source switching options to reduce the maximum and surge demand, based on load profile analysis

load profile using alternating current (a.c.) power logging equipment

daily load profiles illustrating average demand and maximum demand, based on time of use data for all electrical loads

hybrid energy system operation encompassing:

definition of the terms complementarily (in relation to renewable energy (RE) resources)

availability

advantages and disadvantages of hybrid energy systems

major features of typical system configurations, including pure renewables, renewables and genset, series, switched and parallel (including those with nominal daily genset running)

operation of a hybrid system over the short term (e.g. daily) and long term (e.g. seasonal and annual)

response of a genset to a step change in load, and to an overload condition

calculations relating to real and apparent power, power factor, mechanical power, voltage regulation and speed droop for single and three phase gensets

calculation of the average efficiency of a genset supplying a given daily load profile, given genset efficiency vs. load data

system design encompassing:

system design criteria in consultation with a client

RE resources available at a site through the use of on-site measurements and pre-existing weather data as appropriate

selection of a suitable hybrid power system configuration

selection and sizing of suitable RE generators for a hybrid energy system taking into consideration available RE resources and daily and seasonal load profiles consistent with AS/NZS 4509.2 Stand-alone power systems – System design

analysis of load data to determine preferred time of day for genset running, and required energy storage in a parallel hybrid system

selection and sizing of a suitable genset for any system configuration, including a parallel system, according to AS/NZS 4509.2 Stand-alone power systems – System design

selection and sizing of suitable balance-of-system components for a hybrid energy system, including energy storage, controls and inverters consistent with AS/NZS 4509.2 Stand-alone power systems – System design

selection and sizing of a battery bank to meet both energy and maximum power demands in a parallel hybrid system, using an appropriate battery discharge rate and considering load data and genset running times

selection of an inverter for a parallel hybrid system, considering load data, genset running times and battery charging requirement

selection and sizing of suitable internal combustion generators (genset) for a hybrid energy system taking into consideration genset characteristics and de-rating requirements

performance of the system given load data, resource data, equipment specifications, configuration and control strategy

calculation of the load fraction contributed from each renewable energy generator and from the genset

calculation of the genset run time and fuel usage

optimisation of the system design based on a mix of design criteria such as cost, availability and reliability, maintenance, environmental factors and convenience

system manual according to AS/NZS 4509.3 Stand-alone power systems – Installation and maintenance and AS/NZS 4509.2 Stand-alone power systems – System design, given system components and design data

life cycle costing encompassing:

present worth of a future payment

major costs in the life cycle of a hybrid energy system to be considered in life cycle costing

selection of an appropriate discount rate, inflation rates, and life cycle for a hybrid system life cycle cost analysis

life cycle cost analysis, including the cost of finance and tax savings for a hybrid system using computer software

most cost-effective of a number of hybrid energy system options on the basis of life cycle costing analysis according to AS/NZS 4536 Life cycle costing, AS 3595 or similar standards

comparison of the capital cost, simple payback time and life cycle cost of a hybrid energy system with another energy supply option, according to AS/NZS 4536 Life cycle costing, AS 3595 or similar standards

sensitivity analysis of life cycle costing to variations in discount rate or other major parameters

installation, commissioning and maintenance encompassing:

specification of the installation and maintenance requirements for a complete hybrid energy system taking into consideration safety and relevant Australian Standards

installation requirements for fuel storage for a given genset in accordance with AS 1940 The storage and handling of flammable and combustible liquids, AS/NZS 4509 Stand-alone power systems, and local regulations

considerations involved in providing adequate genset vibration isolation

considerations involved in providing a genset exhaust system suitable for a given genset and installation site

major considerations and methods used in providing suitable noise attenuation for a genset installation

specification of the physical accommodation requirements for a given genset to provide adequate air flow and noise attenuation, with due regard for safety, maintenance access, and in accordance with AS/NZS 3010 Electrical installations and AS/NZS 4509 Stand-alone power systems

methods used to allow extended service intervals for gensets

main features of engine protection systems commonly used on small gensets and the genset sizes to which these are applicable

installation and commissioning work on a small genset and controller observing relevant WHS/OHS guidelines

symptoms of common genset faults

basic fault location and rectification on a genset with the aid of troubleshooting guides or flowcharts

symptoms, causes and possible solutions for the phenomenon of hunting

maintenance schedule for a hybrid power system

data communications encompassing:

typical applications of data communications in RE systems

different types of cables and connectors used in data communications between electronic devices and computers

commonly used protocols used for serial data communications

different communications ports on palmtop, laptop or desktop computers

correction of an electronic device (e.g. inverter or charge controller) to a computer directly, and via modems and telephony network, using appropriate cabling, connectors and computer ports

dial-up connection from a computer to a remote electronic device, such as an interactive inverter

standard terminal program or proprietary communications software to send to and receive data from an electronic device

programming and retrieving data from an interactive inverter via a computer and data communications link

logged data downloaded from an interactive inverter

data-logging encompassing:

general features and operation of on-site and remote data logging systems for monitoring and control of a hybrid energy system

logger programming, data downloading, display and interpretation of the results

interactive inverters encompassing:

main features of different devices commonly used as controllers in hybrid energy systems

function and operation of an interactive inverter

system control philosophies used in different interactive inverters

program parameters for an interactive inverter, as required for the correct operation of a parallel hybrid system given system component details, load data and preferred genset running times

appropriate charging regime for the system battery, based on manufacturer’s data and system operating conditions

programming an interactive inverter through its front panel interface

function, operation and major features of a genset controller and how it interfaces with a system controller such as an interactive inverter

relevant job safety assessments or risk mitigation processes

relevant manufacturer specifications

relevant WHS/OHS legislated requirements

relevant workplace documentation

relevant workplace policies and procedures.

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 UEE Electrotechnology Training Package Companion Volume Implementation Guide.

Designing hybrid renewable power systems must include at least the following:

two different hybrid renewable power system designs using different technologies

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 health and safety (WHS)/occupational health and safety (OHS) processes and workplace procedures for a given work area are identified, obtained and applied 
 
 
 
Hybrid renewable power system performance standards and compliance methods are applied to the design 
 
 
 
 
 
Hybrid renewable power system design is presented for approval and any issues clarified with client representative and/or relevant person/s 
 
 
 

Forms

Assessment Cover Sheet

UEERE0028 - Design hybrid renewable power systems
Assessment task 1: [title]

Student name:

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

Student signature:

Result: Competent Not yet competent

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Assessor name:

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Assessment Record Sheet

UEERE0028 - Design hybrid renewable power systems

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

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