Research on An Active Zoning Strategy of Regional Grid under Power Grid Attacks
2023 13th International Conference on Power and Energy Systems (ICPES)(2023)
Abstract
In extreme cases where the power grid is subject to external attacks, ensuring the continuous and reliable supply of electricity to critical users is a crucial cornerstone for maintaining social stability and national security. The inter-connected large power grid is highly exposed and vulnerable to external attacks, which can result in primary and secondary equipment failures. Furthermore, the cascading effects of such failures can lead to widespread blackouts, causing a significant disruption on a global scale. Therefore, implementing active zoning operations for regional power grids in extreme circumstances can effectively reduce the impact, safeguarding the security and stability of the system. This article proposes a regional power grid active zoning strategy to address extreme external attacks. It is based on a comprehensive vulnerability index derived from the operational state of the regional power grid. This index serves as the trigger criteria for initiating the active zoning of the regional power grid. Using a typical regional power grid as a case study, the effectiveness of the proposed strategy is validated through PSDBPA simulation calculations.
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Key words
External attacks,regional power grid,vulnerability index,active zoning,load loss
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