This document specifies requirements and tests for the product safety of secondary lithium cells and batteries used in stationary electrical energy storage systems (Figure 2 and Figure 3) with a maximum DC voltage of 1500 V.
This document applies to battery system intended for installation only accessible to electrically skilled person and:
– In dedicated technical rooms or enclosures (such as buildings, cabinets or containers) that are equipped with additional safety features (such as fire suppression, ventilation, gas detection) or thermal management systems. And, or,
– In installations where the consequences of fire and/or deflagration are mitigated through safeguards provided by the installation (e.g. distance, walls, enclosures and explosion relief vents).
NOTE Whenever this standard makes reference to ambient condition, this reference means the ambient condition of the battery system is inside the enclosure or room. The auxiliary equipment(s) in the enclosure or room needs to ensure that these ambient conditions are met under the external (i.e. outdoor) ambient conditions.
Examples of battery systems applications that are within the scope of this document are, but not limited to:
– telecommunications,
– central emergency lighting and alarm systems,
– stationary engine starting,
– photovoltaic and grid-connected storage systems,
– large or utility energy storage (on-grid/off-grid),
– uninterruptible power supplies (UPS)
This document does not apply to portable systems, or battery system below 500 Wh, which are covered by IEC 61960-3 [1].
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