IEC 62933-4-3:2025
Electrical energy storage (EES) systems - Part 4-3: Protection requirements of battery-based energy storage systems (BESS) according to environmental conditions
Systèmes de stockage de l’énergie électrique (EES) - Partie 4-3: Exigences de protection des systèmes de stockage de l’énergie sur batterie (BESS) en fonction des conditions environnementales
| Standard number: | IEC 62933-4-3:2025 |
| Released: | 2025-10-20 |
| Edition: | 1 |
| ICS: | 13.020.30 |
| Pages (English): | 16 |
| ISBN (English): | 9782832706237 |
| Pages (English/French - Bilingual): | 34 |
| ISBN (English/French - Bilingual): | 9782832706237 |
IEC 62933-4-3:2025
IEC 62933-4-3:2025 applies to the effects of the environmental conditions on Battery Energy Storage Systems (BESS). This document addresses these effects and identifies causes, chain of events and final effects on the BESS. Based on those effects, preventative or mitigating measures are described. Typical environmental effects on the BESS include, but are not limited to, the effects of lightning, seismic activities, water, air, flora, fauna, and humans. The described measures focus as a guideline on the entire BESS including all power and communication connections and its Point of Connections (POCs).
The scope of this document is limited to BESS specific requirements and operating conditions. Specific design or safety requirements of individual BESS subsystems are excluded from this document.