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Evidence Guide: UEERE4001 - Install, maintain and fault find battery storage systems for grid-connected photovoltaic systems

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Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

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UEERE4001 - Install, maintain and fault find battery storage systems for grid-connected photovoltaic systems

What evidence can you provide to prove your understanding of each of the following citeria?

Plan for the installation, maintenance or fault finding of battery storage systems for grid-connected PV systems

  1. Installation design requirements, components and how they interconnect with the different system configurations are identified
  2. Hazards associated with battery storage systems for grid-connected PV systems are identified and the risk control measures are listed in safe work method statements/job safety analysis
  3. Designer recommendations, relevant industry standards, regulations and manufacturer specifications are identified and applied to planning the system installation, maintenance or fault finding
  4. Tools and safety equipment are selected and checked for safe performance of required tasks
  5. Maintenance is planned in accordance with system designer's requirements
  6. PV system and reported faults are identified and fault finding techniques applied
Installation design requirements, components and how they interconnect with the different system configurations are identified

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Hazards associated with battery storage systems for grid-connected PV systems are identified and the risk control measures are listed in safe work method statements/job safety analysis

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Designer recommendations, relevant industry standards, regulations and manufacturer specifications are identified and applied to planning the system installation, maintenance or fault finding

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Tools and safety equipment are selected and checked for safe performance of required tasks

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Maintenance is planned in accordance with system designer's requirements

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

PV system and reported faults are identified and fault finding techniques applied

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Carry out the installation, maintenance and fault finding of battery storage systems for grid-connected PV systems

  1. Job safety analysis is undertaken or safe work method statement is prepared and used to inform work processes in accordance with regulations and workplace procedures
  2. Battery storage components are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications
  3. Inverters are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications
  4. System charge controllers are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications
  5. Storage system equipment including, cables, protection and isolation equipment, and signs are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications
  6. System charge controllers and inverters are programmed in accordance with design documentation, relevant industry standards, regulations and manufacturer specifications
  7. Required modification to the electrical installation is carried out in accordance with design documentation, regulations and relevant industry standards
  8. Maintenance checklists are used to identify items needing servicing or replacement
  9. Required maintenance is performed by servicing or replacing items
  10. Fault finding techniques are applied to correctly diagnose and rectify system faults
  11. Testing, commissioning or reinstatement of the system is conducted in accordance with design documentation, regulations, relevant industry standards and manufacturer specifications
Job safety analysis is undertaken or safe work method statement is prepared and used to inform work processes in accordance with regulations and workplace procedures

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Battery storage components are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Inverters are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

System charge controllers are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Storage system equipment including, cables, protection and isolation equipment, and signs are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

System charge controllers and inverters are programmed in accordance with design documentation, relevant industry standards, regulations and manufacturer specifications

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Required modification to the electrical installation is carried out in accordance with design documentation, regulations and relevant industry standards

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Maintenance checklists are used to identify items needing servicing or replacement

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Required maintenance is performed by servicing or replacing items

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Fault finding techniques are applied to correctly diagnose and rectify system faults

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Testing, commissioning or reinstatement of the system is conducted in accordance with design documentation, regulations, relevant industry standards and manufacturer specifications

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Document the installation, maintenance or fault finding of battery storage systems for grid-connected PV systems

  1. Testing, commissioning and required compliance documents are completed
  2. As installed, electrical system drawings and equipment location plans are produced
  3. Client system documentation, from designer, is completed
  4. Client is briefed on safe and correct system operation and recommended maintenance
  5. Maintenance checklists are finalised correctly and added to client system documentation
  6. Fault report/record is completed and added to client system documentation
Testing, commissioning and required compliance documents are completed

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

As installed, electrical system drawings and equipment location plans are produced

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Client system documentation, from designer, is completed

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Client is briefed on safe and correct system operation and recommended maintenance

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Maintenance checklists are finalised correctly and added to client system documentation

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Fault report/record is completed and added to client system documentation

Completed
Date:

Teacher:
Evidence:

 

 

 

 

 

 

 

Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Evidence Guide

Elements describe the essential outcomes.

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

1

Plan for the installation, maintenance or fault finding of battery storage systems for grid-connected PV systems

1.1

Installation design requirements, components and how they interconnect with the different system configurations are identified

1.2

Hazards associated with battery storage systems for grid-connected PV systems are identified and the risk control measures are listed in safe work method statements/job safety analysis

1.3

Designer recommendations, relevant industry standards, regulations and manufacturer specifications are identified and applied to planning the system installation, maintenance or fault finding

1.4

Tools and safety equipment are selected and checked for safe performance of required tasks

1.5

Maintenance is planned in accordance with system designer's requirements

1.6

PV system and reported faults are identified and fault finding techniques applied

2

Carry out the installation, maintenance and fault finding of battery storage systems for grid-connected PV systems

2.1

Job safety analysis is undertaken or safe work method statement is prepared and used to inform work processes in accordance with regulations and workplace procedures

2.2

Battery storage components are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

2.3

Inverters are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

2.4

System charge controllers are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

2.5

Storage system equipment including, cables, protection and isolation equipment, and signs are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

2.6

System charge controllers and inverters are programmed in accordance with design documentation, relevant industry standards, regulations and manufacturer specifications

2.7

Required modification to the electrical installation is carried out in accordance with design documentation, regulations and relevant industry standards

2.8

Maintenance checklists are used to identify items needing servicing or replacement

2.9

Required maintenance is performed by servicing or replacing items

2.10

Fault finding techniques are applied to correctly diagnose and rectify system faults

2.11

Testing, commissioning or reinstatement of the system is conducted in accordance with design documentation, regulations, relevant industry standards and manufacturer specifications

3

Document the installation, maintenance or fault finding of battery storage systems for grid-connected PV systems

3.1

Testing, commissioning and required compliance documents are completed

3.2

As installed, electrical system drawings and equipment location plans are produced

3.3

Client system documentation, from designer, is completed

3.4

Client is briefed on safe and correct system operation and recommended maintenance

3.5

Maintenance checklists are finalised correctly and added to client system documentation

3.6

Fault report/record is completed and added to client system documentation

Required Skills and Knowledge

Elements describe the essential outcomes.

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

1

Plan for the installation, maintenance or fault finding of battery storage systems for grid-connected PV systems

1.1

Installation design requirements, components and how they interconnect with the different system configurations are identified

1.2

Hazards associated with battery storage systems for grid-connected PV systems are identified and the risk control measures are listed in safe work method statements/job safety analysis

1.3

Designer recommendations, relevant industry standards, regulations and manufacturer specifications are identified and applied to planning the system installation, maintenance or fault finding

1.4

Tools and safety equipment are selected and checked for safe performance of required tasks

1.5

Maintenance is planned in accordance with system designer's requirements

1.6

PV system and reported faults are identified and fault finding techniques applied

2

Carry out the installation, maintenance and fault finding of battery storage systems for grid-connected PV systems

2.1

Job safety analysis is undertaken or safe work method statement is prepared and used to inform work processes in accordance with regulations and workplace procedures

2.2

Battery storage components are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

2.3

Inverters are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

2.4

System charge controllers are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

2.5

Storage system equipment including, cables, protection and isolation equipment, and signs are installed in accordance with system design documentation, relevant industry standards, regulations and manufacturer specifications

2.6

System charge controllers and inverters are programmed in accordance with design documentation, relevant industry standards, regulations and manufacturer specifications

2.7

Required modification to the electrical installation is carried out in accordance with design documentation, regulations and relevant industry standards

2.8

Maintenance checklists are used to identify items needing servicing or replacement

2.9

Required maintenance is performed by servicing or replacing items

2.10

Fault finding techniques are applied to correctly diagnose and rectify system faults

2.11

Testing, commissioning or reinstatement of the system is conducted in accordance with design documentation, regulations, relevant industry standards and manufacturer specifications

3

Document the installation, maintenance or fault finding of battery storage systems for grid-connected PV systems

3.1

Testing, commissioning and required compliance documents are completed

3.2

As installed, electrical system drawings and equipment location plans are produced

3.3

Client system documentation, from designer, is completed

3.4

Client is briefed on safe and correct system operation and recommended maintenance

3.5

Maintenance checklists are finalised correctly and added to client system documentation

3.6

Fault report/record is completed and added to client system documentation

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 one occasion and include:

documenting the battery storage system installation for the client:

plan and enact scheduled maintenance of a system

document/record maintenance activities

finding faults in battery storage systems for grid-connected photovoltaic (PV) system:

plan and enact identified fault finding procedures for the installed system

document/record fault finding activities

installing battery storage systems for grid-connected PV systems:

install battery storage components

install inverter/s

install charge controller/s

install the balance of system equipment including cables, protection and isolating devices, and signage

program inverter/s and charge controller/s

modify electrical installation as required

maintaining battery storage systems for grid-connected PV systems

preparing for the installation of a battery storage system:

interpret system design documentation that specifies the quantity and location of all equipment in compliance with relevant industry standards, building codes and regulations

testing and commissioning PV system:

test operation of each piece of equipment

test operation of complete system

commission the system

brief client on safe and correct system operation and recommended maintenance

undertaking site assessment:

interpret system design documentation that specifies the quantity and location of all equipment in compliance with relevant industry standards, building codes and regulations.

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:

battery storage systems:

battery storage systems for grid-connected PV systems including:

applications for battery storage including:

electrical energy supply during grid outages

electrical energy supply direct to loads during periods of high tariffs

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

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; these 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, PV grid-connected inverter/s and multimode inverter/s where:

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

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

only the multimode inverter/s are connected to the grid. The grid-connected inverter/s are alternate 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 for different system configuration

specifications of a charge controller, including:

output rating DC voltage operating window and/or rating

DC current rating in and out

efficiency

grid-connected batteries:

battery terms including:

nominal voltage

cell

primary and secondary cells

battery

charge and discharge rate

amp hour capacity

watt hour capacity

state of charge (SOC)

depth of discharge (DOD)

battery types including:

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

charging regimes suitable for commercially available types of batteries

battery safety including:

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

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

grid-connected inverters:

inverters including:

differences between multimode and grid connect inverters

output rating of a multimode inverter/s in relation to:

required maximum demand

capacity for battery charging

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

grid-connected storage systems fault finding:

fault finding procedures including:

fault finding procedures for individual equipment

fault finding procedures for interconnected systems

grid-connected storage systems installations:

installation requirements including:

installing battery storage devices in accordance with system design documentation, relevant industry standards, regulations and manufacturer requirements

installing inverters suitable for connecting to battery storage in accordance with system design documentation, relevant industry standards, regulations and manufacturer requirements

installing charge controllers in accordance with system design documentation, relevant industry standards, regulations and manufacturer requirements

installing all balance of system equipment in accordance with system design documentation, relevant industry standards, regulations and manufacturer requirements

electrical drawings including:

electrical systems circuit diagrams of typical battery storage systems for grid-connected PV systems including:

AC loads being supplied during periods when grid is unavailable

all major components

protection devices

earthing

isolation

switching

metering

equipment location plan/s to show the locations of equipment, fittings and cabling

grid-connected storage systems maintenance procedures including:

maintenance requirements for individual equipment

maintenance requirements for interconnected systems

grid-connected storage systems testing and commissioning procedures including:

safe testing of equipment

safe testing of system operation

commissioning of battery storage system.

Range Statement

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.