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UL - 9540 BULLETIN

UL Standard for Safety Energy Storage Systems and Equipment

active, Most Current
Organization: UL
Publication Date: 15 October 2021
Status: active
Page Count: 48
scope:

These requirements cover an energy storage systems (ESS) that is intended to receive and store 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) when needed. The types of energy storage covered under this standard include electrochemical, chemical, mechanical and thermal. The ESS shall be constructed either as one unitary complete piece of equipment or as matched assemblies, that when connected, in accordance with the manufacturer's installation instructions, form the ESS. An ESS consists of at least an energy storage function and energy storage protective function. If the system includes multiple parts that are housed in separate enclosures, it shall be considered as a multi-part ESS covered by this standard. Individual parts (e.g. power conversion equipment, a battery etc.) of an energy storage system are not considered an ESS on their own. This Standard evaluates the compatibility and safety of these various components and parts integrated into a system. The ESS can be an AC ESS or a DC ESS as defined in this Standard.

Document History

9540 BULLETIN
October 15, 2021
UL Standard for Safety Energy Storage Systems and Equipment
These requirements cover an energy storage systems (ESS) that is intended to receive and store energy in some form so that the energy storage system can provide electrical energy to loads or to the...
December 20, 2019
UL Standard for Safety Energy Storage Systems and Equipment
These requirements cover energy storage systems that are intended to receive and store energy in some form so that the energy storage system can provide electrical energy to loads or to the...
October 18, 2019
UL Standard for Safety Energy Storage Systems and Equipment
These requirements cover energy storage systems that are intended to receive and store energy in some form so that the energy storage system can provide electrical energy to loads or to the...
June 28, 2019
UL Standard for Safety Energy Storage Systems and Equipment
These requirements cover energy storage systems that are intended to receive and store energy in some form so that the energy storage system can provide electrical energy to loads or to the...
March 29, 2019
UL Standard for Safety Energy Storage Systems and Equipment
These requirements cover energy storage systems that are intended to receive energy and then to store the energy received in some form so that the energy storage system can provide electrical energy...
November 13, 2015
UL Standard for Safety Outline of Investigation for Energy Storage Systems and Equipment
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...
June 8, 2015
UL Standard for Safety Outline of Investigation for Energy Storage Systems and Equipment
These requirements cover energy storage systems that are intended to store energy from power or other sources and provide electrical or other types of energy to loads or power conversion equipment....
July 1, 2014
UL Standard for Safety Outline of Investigation for Energy Storage Systems and Equipment
A description is not available for this item.

References

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