This document provides technology agnostic recommended practices for measurement and reporting of the performance characteristics of Battery Storage Equipment (BSE) designed to be used within residential or small-scale-commercial applications in conjunction with solar photovoltaic (PV) systems.The document is applicable to battery cells, modules, pre-assembled and integrated systems. It is intended to provide standardised testing and reporting requirements for the performance of BSE.
Table of contents
Header
About this publication
Preface
1 Scope and application
1.1 Scope
1.2 Normative references
1.3 Terms and definitions
1.4 New designs and innovations
2 Parameter measurement and tolerances
2.1 Application
2.2 General
2.3 Electrical measurements
2.3.1 Measurement accuracy
2.4 Temperature and humidity measurements
2.5 Time measurements
2.5.1 Tolerances
2.5.2 Sampling periods
3 General testing principles
3.1 Application
3.2 Conformance testing
3.2.1 General
3.2.2 Type testing
3.3 BSE temperature range
3.4 Reporting of test results
3.5 Test pre-conditions
4 Performance metrics to be tested
4.1 General
4.2 Application
4.3 Parameters to be measured
4.4 Performance metrics
4.4.1 General
4.4.2 Maximum power (kW)
4.4.3 Sustained power (kW)
4.4.4 Energy (kWh)
4.4.5 Capacity (Ah)
4.4.6 Voltage limits (DC operating voltage window) (V)
4.4.6.1 General
4.4.6.2 Open circuit voltage (OCV) (V)
4.4.7 Maximum current (A)
4.4.8 Discharge and charge rate range allowed (C-rate)
4.4.9 Round trip efficiency (%)
4.4.10 Cycle number
4.4.11 Response time (ms)
4.4.12 State of charge window (%)
4.4.13 Energy throughput
4.4.14 Surface touch temperature
5 BSE use case profiles
5.1 Application
5.2 General
5.3 Residential solar energy shift profile
5.3.1 Aim
5.3.2 Application
5.3.3 Description
5.3.4 Overview
5.3.5 Test properties
5.3.5.1 Number of test cycles
5.3.5.2 Performance metrics to be measured
5.3.5.3 Performance metrics to be reported
5.4 Virtual power plant (VPP) mode incorporating a solar energy shift profile
5.4.1 Aim
5.4.2 Application
5.4.3 Description
5.4.4 Overview
5.4.5 Test properties
5.4.5.1 Number of test cycles
5.4.5.2 Performance metrics to be measured
5.4.5.3 Performance metrics to be reported
6 Test environmental conditions
6.1 Application
6.2 General
6.3 Humidity profile
6.4 Standard temperature profile
6.4.1 Aim
6.4.2 Application
6.4.3 Description
6.4.4 Overview
6.4.5 Performance metrics to be measured
6.5 Extended temperature profile
6.5.1 Aim
6.5.2 Application
6.5.3 Description
6.5.4 Overview
6.5.5 Performance metrics to be measured
6.6 Seasonal temperature profile
6.6.1 Aim
6.6.2 Application
6.6.3 Description
6.6.4 Overview
6.6.5 Performance metrics to be measured
6.7 Temperature profile for use in conjunction with optional accelerated testing profile
6.7.1 Aim
6.7.2 Application
6.7.3 Description
6.7.4 Overview
6.7.5 Performance metrics to be measured
7 Specific requirements and test methods
7.1 Application
7.2 General
7.3 Testing overview
7.4 Testing sequence
8 Warranty reporting requirements
8.1 Application
8.2 Environmental conditions
8.3 Power
8.4 Capacity
8.5 Efficiency
8.6 Calendar life
8.7 Warrantied Energy Throughput
8.8 Residential solar energy shift calendar life
8.9 VPP mode incorporating residential solar energy shift calendar life
9 BSE performance reporting principles and requirements
9.1 Overview
9.2 Reporting format
9.2.1 Overview reporting
9.2.2 Description
9.2.3 Detailed reporting
Appendix A
A.1 Maximum power (kW)
A.2 Sustained power (kW)
A.3 DC Voltage limits (operating voltage window) (V)
A.4 Maximum current (A)
A.5 Discharge rate range allowed (C-rate)
A.6 Energy (kWh), capacity (Ah) and round-trip efficiency (%)
A.6.1 Capacity
A.6.2 Energy
A.6.3 Efficiency
A.7 Response time(s)
A.8 State of charge window
Appendix B
B.1 BSE use case profiles for use with seasonal temperature profile
B.1.1 General
B.1.2 Residential solar energy shift profile
B.1.3 Reporting of residential solar energy shift profile
B.1.4 Virtual power plant (VPP) mode incorporating a solar energy shift profile
B.1.5 Reporting of VPP mode with solar shift profile
B.2 Optional BSE use case profiles for use with accelerated testing profiles
B.2.1 General
B.2.2 Accelerated testing of DC BSE without integrated PCE
B.2.3 Accelerated testing of AC BSE with integrated PCE
B.2.4 End of life test criteria and reporting
Appendix C
C.1 General
C.2 Standard temperature profile
C.3 Extended temperature profile
C.4 Seasonal temperature profile
C.5 Temperature profile for use in conjunction with optional accelerated testing profile
C.5.1 Accelerated temperature testing profile
C.5.2 End of test criteria
Appendix D
D.1 Australian temperature zones
D.2 Relationship to ABCB temperature zones
D.3 Terms and Definitions
D.4 Daily average temperature limits
D.5 Extreme absolute temperature limits
D.6 Seasonal temperature variations by climate zone
Appendix E
E.1 Residential solar energy generation and consumption
E.1.1 General
E.1.2 Residential solar energy shift profile
E.1.3 Residential solar energy shift profile incorporating a time of use arbitrage under a virtual power plant operating mode
Appendix F
F.1 Battery storage systems
F.2 Battery storage equipment
Bibliography
Cited references in this standard
Content history
DR AS 5374:2022
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