INTRODUCTION FOR LITHIUM-ION BATTERY ENERGY STORAGE SAFETY STANDARDS TRAINING – UL1973
The transportation and energy ecosystems have undergone a dynamic transition globally with a paradigm shift from lead-acid to lithium-ion batteries. This shift to batteries with high capacity demands effective Energy Storage Systems. Battery Energy Storage Systems help creates better efficiency, increased stability, and capacity for the grid by saving energy for later use. As we scale up the production and usage of energy storage systems, it is critical to establish, understand and follow standards and safety precautions to avoid future predicaments.
COURSE OBJECTIVES
To enhance knowledge and skills in the following areas:
- Know about UL1973 – Lithium-ion Battery Energy Storage Safety Standards
- Stationary Energy Storage Systems
- Know about lithium’s better efficiency, increased stability, and capacity
- Understand and follow standards and safety precautions to avoid future predicaments.
- Know all aspects of UL 1973 Safety Standard for Batteries for Use in Stationary and Motive Auxiliary Power Applications
- Battery Management Systems
WHO SHOULD ATTEND
Engineers, Technicians, Designers, and Quality Management Professionals
WORKSHOP METHODOLOGY
Participants will be taught 70% theory and 30% shall be group discussions with selected video clips presentations.
TRAINING DURATION
2 Full Days – 9am to 5pm. Maximum participants per class: 20 Pax
COURSE CONTENT
Day 1: Training Topics – 9.00am to 5.00pm
Module 1: Introduction to UL-1973 – ANSI/CAN/UL-1973 Standard
- Scope – What is UL 1973?
- Energy Storage Systems
- UL-1973 Certification and Battery Components
- Battery systems used as energy storage
- Stationary applications (such as photovoltaics and wind turbine storage)
- Lithium Batteries
- Uninterruptible power supply (UPS) applications.
- Products Covered
- Construction and Requirements
- Testing
- Challenges to certification
Module 2: UL-1973 Standard
- Certification of stationary systems
- Component packs and modules for stationary system installations.
- Safety analysis – FMEA assessment
- Functional safety requirements – Electronics and software components
- Critical – Battery system safety.
- UL-1973 – Propagation test in lithium-ion technologies
- Potential for defects – Production – Catastrophic failures in the field.
- Historical understanding of battery safety
- Data – Prior evaluation of unique stationary battery systems
- Inputs from the standard’s technical panel members
Module 3: Training and Communication
- Employee Training and Communication
- Employee Retraining
- Industrial and Occupational Safety
Day 2: Training Topics – 9.00am to 5.00pm
Module 4: UL-1973 – ANSI/CAN/UL-1973 Standard
- Testing of Modules during the short circuit test.
- Addition of an exception to the General Performance Section for the test time for lithium ion cells or batteries.
- Addition of an Exception for the Drop Impact Test SOC.
- Addition of an exception for outdoor use only in the Single Cell Failure Design Tolerance test.
- Moving all lithium cell requirements into UL 1973.
- Addition of requirements for repurposing batteries.
- Clarification of lead acid battery requirements.
- Addition of Vehicle Auxiliary Power System Requirements
- Revisions to the External Fire Test.
- Addition of cell test method from UL 9540A for information gathering.
- Clarification for spacings criteria and pollution degree in 7.5.
- Addition of measurement of cell voltages during overcharge and overdischarge tests.
- Clarification of the single cell failure design tolerance test.
- Proposals for flowing electrolyte batteries.
- Inclusion of mechanically recharged metal air battery requirements.
- Functional safety updates.
- Inclusion of EMC testing for electronic safety controls.
- Clarification of Dielectric Voltage Withstand Test locations on sample.
- SELV Limits for Canada.
- Revisions to Section 7.1 to address all non-metallic materials.
- Smart Grid Applications.
- Clarifications for Appendix C.
- Addition of compliance criteria P – Loss of protection controls for Drop Impact Test.
- Inclusion of sodium ion technology batteries.
- Expanding the wall fixture test to include other support structures.
- Evaluation proposal for galvanic corrosion determination.
- Revision of grounding requirement in 7.6.3.
- aR Fuse Consideration and Module/component voltage consideration.
- Addition of criteria for transformers.
- Overload under discharge.
- Addition of High Rate Charge Test.
- Replacement of UL 60950-1 with UL 62368-1.
- Revision of component standards in Appendix A
