Towards a Systematic Approach for Smart Grid Hazard Analysis and Experiment Specification

• URL: http://arxiv.org/abs/2309.07629v1
• Date: Thu, 14 Sep 2023 11:49:13 GMT
• Title: Towards a Systematic Approach for Smart Grid Hazard Analysis and Experiment Specification
• Authors: Paul Smith, Eva Piatkowska, Edmund Widl, Filip Pr\"ostl Andr\'en, Thomas I. Strasser
• Abstract summary: It is important to identify potential losses and their root causes, ideally during system design. Due to complexity, it may not possible to reason about the circumstances that could lead to a loss. We present how two complementary deductive approaches can be usefully integrated to address these concerns.
• Score: 0.09999629695552195
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: The transition to the smart grid introduces complexity to the design and operation of electric power systems. This complexity has the potential to result in safety-related losses that are caused, for example, by unforeseen interactions between systems and cyber-attacks. Consequently, it is important to identify potential losses and their root causes, ideally during system design. This is non-trivial and requires a systematic approach. Furthermore, due to complexity, it may not possible to reason about the circumstances that could lead to a loss; in this case, experiments are required. In this work, we present how two complementary deductive approaches can be usefully integrated to address these concerns: Systems Theoretic Process Analysis (STPA) is a systems approach to identifying safety-related hazard scenarios; and the ERIGrid Holistic Test Description (HTD) provides a structured approach to refine and document experiments. The intention of combining these approaches is to enable a systematic approach to hazard analysis whose findings can be experimentally tested. We demonstrate the use of this approach with a reactive power voltage control case study for a low voltage distribution network.

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