Electrical Energy Storage (EES) Systems

IEC TS 62933-5-1:2017 specifies safety considerations (e.g. hazards identification, risk assessment, risk mitigation) applicable to EES systems integrated with the electrical grid. This document provides criteria to foster the safe application and use of electric energy storage systems of any type or size intended for grid-integrated applications.

IEC TS 62933-4-1:2017(E) describes environmental issues associated with electrical energy storage systems (EES systems), and presents guidelines to address the environmental impacts to and from EES systems including the impacts to humans due to chronic exposure associated with the mentioned environmental impacts.

IEC/TS 62933-3-1:2018(E) is applicable to EES systems designed for grid-connected indoor or outdoor installation and operation. This document considers necessary functions and capabilities of EES systems, test items and performance assessment methods for EES systems, requirements for monitoring and acquisition of EES system operating parameters, exchange of system information and control capabilities required.

IEC/TS 62933-3-1(E) is applicable to EES systems designed for grid-connected indoor or outdoor installation and operation. This document considers
necessary functions and capabilities of EES systems
test items and performance assessment methods for EES systems
requirements for monitoring and acquisition of EES system operating parameters
exchange of system information and control capabilities required

IEC 62933-5-2:2020 primarily describes safety aspects for people and, where appropriate, safety matters related to the surroundings and living beings for grid-connected energy storage systems where an electrochemical storage subsystem is used.

IEC 62933-2-1:2017 focuses on unit parameters and testing methods of EESsystems. The energy storage devices and technologies are outside the scope of this document. This document deals with EES system performance defining: unit parameters, testing methods. The contents of the corrigendum of January 2019 have been included in this copy.

IEC 62933-1:2018 defines terms applicable to electrical energy storage (EES) systems including terms necessary for the definition of unit parameters, test methods, planning, installation, safety and environmental issues. This terminology document is applicable to grid-connected systems able to extract electrical energy from an electric power system, store it internally, and inject electrical power to an electric power system. The step for charging and discharging an EES system may comprise an energy conversion.