UL 9540
Standard for Energy Storage Systems and Equipment

DETAILS
Edition Number:1SCC Approved:2016-11-21
Edition Date:2016-11-21DOD Approved: --
Price Code:BANSI Approved: 2016-11-21
Type:ulstd

  • SCOPE

    1 Scope

    1.1 These requirements cover energy storage systems that are intended to receive electric energy and then to store the energy in some form so that the energy storage system can provide electrical energy to loads or to the local/area electric power system (EPS) up to the utility grid when needed. The types of energy storage covered under this standard include electrochemical, chemical, mechanical and thermal. The energy storage systems equipment (constructed either as one unitary complete system or as matched assemblies that when connected are the system) may include equipment for charging, discharging, control, protection, power conversion, communication, controlling the system environment, air, fire detection and suppression system, fuel or other fluid movement and containment, etc. The system may contain other ancillary equipment related to the functioning of the energy storage system.

    1.2 The systems covered by this standard include those intended to be used in a standalone mode (e.g. islanded) including "self-supply" systems to provide electric energy and those used in parallel with an electric power system or electric utility grid such as "grid-supply" systems, or applications that perform multiple operational modes.

    1.3 Requirements for installation, with the exception of installation manuals and documents for installation provided with the system that are integral to the tested system are outside the scope of this standard. The installation instructions indicate that the energy storage systems are to be installed in accordance with the national and local electrical codes and other applicable codes. This standard assumes that the final installation of the energy storage system will be performed by qualified service personnel in accordance with the applicable installation instructions, installation practices and national installation codes. Energy storage systems are intended for installation subject to approval by the Authority Having Jurisdiction.

  • TABLE OF CONTENTS
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    • Cover
    • Transmittal
    • Table of Contents
    • UL Preface
      • Body
        • INTRODUCTION
          • 1 Scope
          • 2 Components
          • 3 Units of Measurement
          • 4 Undated References
          • 5 Normative References
          • 6 Glossary
        • CONSTRUCTION
          • 7 Non-Metallic Materials
          • 8 Metallic Parts Resistance to Corrosion
          • 9 Enclosures and Guarding of Hazardous Parts
          • 10 General Electrical Safety and Walk-in Systems
          • 11 Wiring and Electrical Supply Connections
          • 12 General Electrical Service Equipment
          • 13 Electrical Spacings and Separation of Circuits
          • 14 Insulation Levels and Protective Grounding
          • 15 Safety Analysis and Control Systems
          • 16 Remote Controls
          • 17 Communication Systems
          • 18 Heating and Cooling Systems
          • 19 Piping Systems, Pressure Vessels, Fuel and Other Fluid Supply Connections and Controls
          • 20 Containment of Moving Parts
          • 21 Hazardous Fluid Containment
          • 22 Combustible Concentrations
          • 23 Fire Detection and Suppression
          • 24 Utility Grid Interaction
            • 24.1 General
            • 24.2 Utility grid interactive inverter
            • 24.3 Special purpose utility-interactive energy storage system inverters
          • 25 Energy Storage System Technologies
            • 25.1 Electrochemical energy storage systems
            • 25.2 Chemical energy storage systems
            • 25.3 Mechanical energy storage systems
            • 25.4 Thermal energy storage systems
        • PERFORMANCE
          • Sub-Section
          • 26 General
          • ELECTRICAL TESTS
          • 27 Normal Operations Test
          • 28 Dielectric Voltage Withstand Test
          • 29 Impulse Test
          • 30 Equipment Grounding and Bonding Test
          • 31 Insulation Resistance Test
          • MECHANICAL TESTS
          • 32 Containment of Moving Parts
            • 32.1 Over speed qualification test
            • 32.2 Faulted securement qualification test
            • 32.3 Blocked shaft qualification test
            • 32.4 Mechanical failure qualification test
          • 33 Leakage Tests
          • 34 Strength Tests
            • 34.1 General
            • 34.2 Hydrostatic strength test
            • 34.3 Pneumatic strength test
          • ENVIRONMENTAL TESTS
          • 35 Special Environment Installations
            • 35.1 General
            • 35.2 Outdoors installations subject to moisture exposure
            • 35.3 Outdoor installation near marine environments
            • 35.4 Installation in seismic environments
        • MANUFACTURING AND PRODUCTION TESTS
          • 36 Dielectric Voltage Withstand Test
          • 37 Grounding and Bonding System Check
          • 38 Maximum Abnormal Operating Speed
        • MARKINGS
          • 39 General
        • INSTRUCTIONS
          • 40 General
    • APPENDIX A (NORMATIVE)
    • APPENDIX B (INFORMATIVE)
    • APPENDIX C (INFORMATIVE)