IEC 62932-1-2020 FLOW BATTERY ENERGY SYSTEMS FOR STATIONARY APPLICATIONS – Part 1 : Terminology and general aspects. This part of IEC 62932 relates to flow battery energy systems (FBES) used in electrical energy storage (EES) applications and provides the main terminology and general aspects of this technology, including terms necessary for the definition of unit parameters, test methods, safety and environmental issues. 2 Normative references There are no normative references in this document. 3 Terms, definitions and abbreviated terms 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. ISO and IEC maintain terminological databases for use in standardization at the following addresses: • IEC Electropedia: available at http://www.electropedia.org/ • ISO Online browsing platform: available at http://www.iso.org/obp 3.1.1 ambient temperature environmental temperature around a flow battery energy system 3.1.2 auxiliary energy energy consumed by all the auxiliary equipment and components of a flow battery and of a flow battery energy system Note 1 to entry: The equipment and components include, but are not limited to, battery management system, battery support system, fluid circulation system. 3.1.3 battery management system BMS electronic system associated with a flow battery energy system which monitors and/or manages its state, calculates secondary data, reports that data and/or controls its environment to influence the flow battery energy system’s performance and/or service life Note 1 to entry: The function of the battery management system can be fully or partially assigned to the battery pack and/or to equipment that uses flow battery energy store systems. [SOURCE: IEC 61 427-2:201 5, 3.8, modified – admitted terms “battery management unit” and “BMU” omitted, “battery” replaced by “flow battery energy system”, Notes 2 to 4 deleted.] 3.1.4 battery support system BSS auxiliary units, such as heat exchanger, ventilation system, safety system, and inert gas system, used in an FBES, and which are not stacks, or part of the fluid circulation system, power conversion system, or battery management system Note 1 to entry: The battery support system is controlled by the battery management system. 3.1.5 charge charging <of a battery> operation during which a secondary cell or battery is supplied with electric energy from an external circuit which results in chemical changes within the cell and thus the storage of energy as chemical energy Note 1 to entry: A charge operation is defined by its maximum voltage, current, duration and other conditions as specified by the manufacturer....
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