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

UEERE5001 Mapping and Delivery Guide
Design battery storage systems for grid-connected photovoltaic systems

Version 1.0
Issue Date: March 2024


Qualification -
Unit of Competency UEERE5001 - Design battery storage systems for grid-connected photovoltaic systems
Description
Employability Skills
Learning Outcomes and Application This unit involves the skills and knowledge required to design battery storage systems for grid-connected photovoltaic (PV) systems.This unit applies to a person with a sound knowledge of the components and different system configurations of battery storage systems for grid-connected PV systems and suitable energy management strategies that can be applied to the site where a system can be installed. A person competent in this unit will be able to design a system, which includes calculating and selecting the correct sized equipment so the system output performance meets the client specific requirements within the guidelines of relevant industry standards, regulations and manufacturer requirements.The unit involves designing a system taking into consideration all necessary work health and safety requirements relevant for the selected system and documenting the design including all calculations, equipment specifications and layouts.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.

As a minimum, assessors must satisfy applicable regulatory requirements, which include requirements in the Standards for Registered Training Organisations, current at the time of assessment.

As a minimum, assessment must satisfy applicable regulatory requirements, which include requirements in the Standards for Registered Training Organisations, current at the time of assessment.

Assessment must occur in workplace operational situations where it is appropriate to do so; where this is not appropriate, assessment must occur in simulated 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:

relevant industry standards

relevant industry product standards

AS/NZS 3000 Electrical installations (known as the Australian/New Zealand Wiring Rules)

applicable documentation including:

energy assessment forms

examples of typical client requirements and site specific details

manufacturer technical information including:

data sheets, installation manuals and user guides

block of systems configurations and circuit diagrams

relevant industry standards and regulations

solar resource data and electricity tariffs.

Assessment must include the design of battery storage systems for grid-connected PV systems that meet the specific requirements of the client within the guidelines of relevant Australian Standards, including designs for new and retrofit installations.

Prerequisites/co-requisites
Competency Field Renewable and Sustainable 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: Plan the design of battery storage systems for gridconnected photovoltaic systems
  • Available components are identified and the different system configurations are applied to system design planning
  • Hazards associated with battery storage systems for grid-connected PV systems are determined and appropriate risk control measures are developed
  • Electrical load/s to be supplied from the battery storage system are identified
  • Energy assessments are undertaken using appropriate tools including data logging tools and/or energy assessment forms
  • Site is assessed to determine feasibility, equipment location and any required switchboard modification
  • Energy management strategies are applied to produce an energy management plan
  • Relevant industry standards, building codes, regulations and manufacturer requirements are applied to system design planning
  • Relevant electricity tariffs are incorporated in the system design
  • Solar resource data is applied in the system design
  • Client situation, budget and desired outcomes are incorporated in the system design
       
Element: Design battery storage systems for gridconnected photovoltaic systems
  • Suitable system configurations are selected to meet client requirements
  • System efficiencies are applied to system designs and overall system yield for different system configurations is determined
  • Type and capacity of inverter/s to meet performance requirements are determined
  • Type and capacity of battery storage to meet performance requirements are determined
  • Type and capacity of charge controller/s to meet performance requirements are determined
  • Capacity of PV array to meet performance requirements is determined
  • Merits of alternate configurations including maintenance requirements are analysed and the most appropriate system design is selected
  • Location of each item of equipment is determined
  • Size of cables and ratings of protection and isolations devices are determined
       
Element: Document the design of battery storage systems for gridconnected photovoltaic systems
  • Identified hazards are listed and appropriate risk control methods are specified
  • Required items of equipment and system components are identified and listed
  • System operating parameters are specified
  • Electrical systems schematic/s and equipment location plan/s, inclusive of signage, are produced
  • System cost and performance are documented
  • Maintenance, client and installer documentation are produced
       


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.

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Plan the design of battery storage systems for gridconnected photovoltaic systems

1.1

Available components are identified and the different system configurations are applied to system design planning

1.2

Hazards associated with battery storage systems for grid-connected PV systems are determined and appropriate risk control measures are developed

1.3

Electrical load/s to be supplied from the battery storage system are identified

1.4

Energy assessments are undertaken using appropriate tools including data logging tools and/or energy assessment forms

1.5

Site is assessed to determine feasibility, equipment location and any required switchboard modification

1.6

Energy management strategies are applied to produce an energy management plan

1.7

Relevant industry standards, building codes, regulations and manufacturer requirements are applied to system design planning

1.8

Relevant electricity tariffs are incorporated in the system design

1.9

Solar resource data is applied in the system design

1.10

Client situation, budget and desired outcomes are incorporated in the system design

2

Design battery storage systems for gridconnected photovoltaic systems

2.1

Suitable system configurations are selected to meet client requirements

2.2

System efficiencies are applied to system designs and overall system yield for different system configurations is determined

2.3

Type and capacity of inverter/s to meet performance requirements are determined

2.4

Type and capacity of battery storage to meet performance requirements are determined

2.5

Type and capacity of charge controller/s to meet performance requirements are determined

2.6

Capacity of PV array to meet performance requirements is determined

2.7

Merits of alternate configurations including maintenance requirements are analysed and the most appropriate system design is selected

2.8

Location of each item of equipment is determined

2.9

Size of cables and ratings of protection and isolations devices are determined

3

Document the design of battery storage systems for gridconnected photovoltaic systems

3.1

Identified hazards are listed and appropriate risk control methods are specified

3.2

Required items of equipment and system components are identified and listed

3.3

System operating parameters are specified

3.4

Electrical systems schematic/s and equipment location plan/s, inclusive of signage, are produced

3.5

System cost and performance are documented

3.6

Maintenance, client and installer documentation are produced

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements and performance criteria on at least two separate occasions and include:

applying work health and safety (WHS)/occupational health and safety (OHS) policy, work procedures and instructions

ascertaining and documenting system requirements including:

client objectives for the proposed system

client budget

energy profile of the site where the system will be connected and producing an energy management report

energy management strategies

hazards related to the system and the site

relevant electricity tariffs and utility requirements

site inspection including existing electrical installation to meet client objectives

designing the system including:

analysing, reviewing and selecting configuration to meet performance requirements

assessing the photovoltaic (PV) array capacity to meet performance requirements

determining location of equipment

determining sub-system efficiencies

determining suitable configuration/s

drawing the suitable configuration/s

selecting and sizing cables, protection and isolation devices

selecting type and capacity of inverter/s, including programming of parameters to meet performance requirements

selecting type and capacity of battery storage to meet performance requirements

selecting type and capacity of charge controller, including programming of parameters to meet performance requirements

documenting the system design including:

compiling client documentation

compiling installer documentation

preparing electrical system schematic and equipment location plan

specifying equipment including signage

specifying system budget and performance including battery storage capacity and PV yield

specifying maintenance requirements.

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

batteries including:

meaning of the terms that define aspects of batteries including:

amp hour capacity

battery

cell

charge and discharge rate

depth of discharge (DOD)

nominal voltage

primary and secondary cells

state of charge (SOC)

watt hour capacity

major features of commercially available types of batteries suitable for battery storage systems for grid-connected PV systems

factors affecting the life of commercially available types of batteries including the estimation of battery life

common processes leading to battery failure in commercially available batteries including sulphation and stratification in lead acid batteries

charging regimes suitable for commercially available types of batteries

hazards associated with handling, installing or maintaining commercially available types of batteries and risk control measures

procedures for safe disposal of commercially available types of batteries

battery storage energy demand including:

load profiles illustrating average demand and maximum demand, based on appliances required during grid outages or during periods of high tariffs

total energy demand including:

energy required during periods of high tariffs

length of time of typical or expected grid outage

battery storage systems for grid-connected PV systems including:

applications for battery storage including:

electrical energy supply direct to loads during periods of high tariffs

electrical energy supply during grid outages

drivers of grid-connected battery storage

purpose of each component in a battery storage system for grid-connected PV system

functional block diagrams for typical configurations of battery storage systems for grid-connected PV systems including:

multimode inverter/s for connecting to renewable energy, grid, loads and battery storage; this inverter/s provide backup to dedicated loads on grid failure and may:

have a built in charge controller for direct connection of a PV array or

require a separate charge controller to direct current (DC) couple the PV array and battery

two types of inverters comprising, photovoltaic grid-connected inverters and multimode inverters where:

both inverter types are connected to the grid and loads via a switching device that provides backup to dedicated loads during grid failure

both inverter types are connected to the grid and only the multimode inverter/s provide backup to dedicated loads on grid failure

only the multimode inverter/s are connected to the grid; the grid-connected inverter/s are alternating current (AC) coupled to the multimode inverter/s and both types can provide backup to dedicated loads on grid failure

charge controllers including:

types and applications of charge controllers within the various system configurations

specifications of a charge controller including:

DC current rating in and out

DC voltage operating window and/or rating

efficiency

output rating

diagrams including:

electrical schematics of battery storage systems for grid-connected PV systems including modifications to switchboard to cater for specified loads

site diagrams to show the locations of equipment, fittings and cabling

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

inverters including:

differences between multimode and grid-connected inverters

output rating of a multimode inverter in relation to:

capacity for battery charging

required maximum demand

program parameters for a multimode inverter, for the correct operation of the system

maintenance and installation requirements including:

maintenance schedule for battery storage systems for grid-connected PV systems

specification of the installation and maintenance requirements for battery storage systems for grid-connected PV systems taking into consideration safety and relevant industry standards, regulations and manufacturer requirements

system design including:

determining the system yield/performance, equipment costs, maintenance requirements, budget and overall lifecycle costs

relationship between the system components:

PV array, battery storage and inverters/controllers and the system design criteria

size and selection of the battery storage to meet the system performance requirements

selecting and sizing the balance of system components including:

earthing

isolation and switching devices

protection devices

WHS/OHS policy, workplace procedures and instructions.


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.

Elements describe the essential outcomes.

Performance criteria describe the performance needed to demonstrate achievement of the element.

1

Plan the design of battery storage systems for gridconnected photovoltaic systems

1.1

Available components are identified and the different system configurations are applied to system design planning

1.2

Hazards associated with battery storage systems for grid-connected PV systems are determined and appropriate risk control measures are developed

1.3

Electrical load/s to be supplied from the battery storage system are identified

1.4

Energy assessments are undertaken using appropriate tools including data logging tools and/or energy assessment forms

1.5

Site is assessed to determine feasibility, equipment location and any required switchboard modification

1.6

Energy management strategies are applied to produce an energy management plan

1.7

Relevant industry standards, building codes, regulations and manufacturer requirements are applied to system design planning

1.8

Relevant electricity tariffs are incorporated in the system design

1.9

Solar resource data is applied in the system design

1.10

Client situation, budget and desired outcomes are incorporated in the system design

2

Design battery storage systems for gridconnected photovoltaic systems

2.1

Suitable system configurations are selected to meet client requirements

2.2

System efficiencies are applied to system designs and overall system yield for different system configurations is determined

2.3

Type and capacity of inverter/s to meet performance requirements are determined

2.4

Type and capacity of battery storage to meet performance requirements are determined

2.5

Type and capacity of charge controller/s to meet performance requirements are determined

2.6

Capacity of PV array to meet performance requirements is determined

2.7

Merits of alternate configurations including maintenance requirements are analysed and the most appropriate system design is selected

2.8

Location of each item of equipment is determined

2.9

Size of cables and ratings of protection and isolations devices are determined

3

Document the design of battery storage systems for gridconnected photovoltaic systems

3.1

Identified hazards are listed and appropriate risk control methods are specified

3.2

Required items of equipment and system components are identified and listed

3.3

System operating parameters are specified

3.4

Electrical systems schematic/s and equipment location plan/s, inclusive of signage, are produced

3.5

System cost and performance are documented

3.6

Maintenance, client and installer documentation are produced

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

Non-essential conditions can 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
Available components are identified and the different system configurations are applied to system design planning 
Hazards associated with battery storage systems for grid-connected PV systems are determined and appropriate risk control measures are developed 
Electrical load/s to be supplied from the battery storage system are identified 
Energy assessments are undertaken using appropriate tools including data logging tools and/or energy assessment forms 
Site is assessed to determine feasibility, equipment location and any required switchboard modification 
Energy management strategies are applied to produce an energy management plan 
Relevant industry standards, building codes, regulations and manufacturer requirements are applied to system design planning 
Relevant electricity tariffs are incorporated in the system design 
Solar resource data is applied in the system design 
Client situation, budget and desired outcomes are incorporated in the system design 
Suitable system configurations are selected to meet client requirements 
System efficiencies are applied to system designs and overall system yield for different system configurations is determined 
Type and capacity of inverter/s to meet performance requirements are determined 
Type and capacity of battery storage to meet performance requirements are determined 
Type and capacity of charge controller/s to meet performance requirements are determined 
Capacity of PV array to meet performance requirements is determined 
Merits of alternate configurations including maintenance requirements are analysed and the most appropriate system design is selected 
Location of each item of equipment is determined 
Size of cables and ratings of protection and isolations devices are determined 
Identified hazards are listed and appropriate risk control methods are specified 
Required items of equipment and system components are identified and listed 
System operating parameters are specified 
Electrical systems schematic/s and equipment location plan/s, inclusive of signage, are produced 
System cost and performance are documented 
Maintenance, client and installer documentation are produced 

Forms

Assessment Cover Sheet

UEERE5001 - Design battery storage systems for grid-connected photovoltaic systems
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

UEERE5001 - Design battery storage systems for grid-connected photovoltaic 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

Assessor name:

Signature:

Date:

Student signature:

Date: