Functional safety of energy storage systems

Why do energy storage power stations need a safety analysis design?

Based on the IEC 61508 and IEC 60730-1 standards, combined with the characteristics of the energy storage system, an accurate analysis design ensures that the functional safety integrity level of the energy storage system BMS is effectively achieved. These provide a reference for the design and development of the energy storage power stations.

Are rechargeable energy storage systems safe?

However, the published studies on road vehicles have not adequately considered the safety assurance of rechargeable energy storage systems in accordance with ISO 26262 standard.

What is a functional safety process?

This analysis is the first in a series of studies applying functional safety processes, such as ISO 26262, to key automotive electronic control systems. A functional safety process is an analytical method that system designers can use to analyze the safety implications of their design choices.

What is a functional safety review based on?

In this article, although the focus is generally on battery pack systems for electric propulsion systems, the functional safety review will be based on the IEC 61508 SIL Standard instead, as it represents a more generic approach and complements the IEC 60079 Standard for hazardous environment such as in underground coal mining.

What are functional safety requirements (FSCS)?

The FSCs are used in conjunction with the safety goals to derive the Functional Safety Requirements and to allocate them to the preliminary architectural elements of the system or to external risk reduction measures in order to achieve that level of safety. These relationships are depicted schematically in Figure 2-6.

What are functional safety requirements?

In the Functional Safety Concept (FSC) stage, Functional Safety Requirements (FSRs) are derived from the SGs, and allocated to the preliminary architectural elements of the item or external risk reduction measures to achieve that level of safety.