IEC 62933-5-1:2024

Electrical energy storage (EES) systems - Part 5-1: Safety considerations for grid-integrated EES systems - General specification

IEC 62933-5-1:2024 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 enable the safe application and use of electrical energy storage systems of any type or size intended for grid-integrated applications. This document can be applied to all EESS technologies, but for requirements specific to electrochemical EES systems, reference is also made to IEC 62933-5-2. This first edition cancels and replaces the first edition of IEC TS 62933-5-1 published in 2017. This edition constitutes a technical revision.
This edition includes the following significant technical changes with respect to IEC TS 62933‑5‑1:2017:
a) Revising “should” statements to “shall” statements for all requirements and move some “should” statements clauses to Annex B for informative purposes.
b) Update standard references (normative).
c) Update definitions and add or remove definitions where necessary.
d) Revise criteria in Clause 6 and Clause 7 to be actionable and add standard references where necessary.
e) Revise Clause 8 for more thorough test method and criteria, add tests where necessary.
f) Add markings and instruction criteria.
g) Revise Annex A to add technology safety information on gravitational and thermal EESS.
h) Add Annex B and Annex C for safety considerations for EESS and test method for mechanical EESS.
i) Add informative list of standards and update bibliography.

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