Vulnerability assessment of power grids based on the centre-of-inertia

The paper proposes a new method to assess power grid vulnerability. By combining network analysis and power system parameters, critical nodes are identified. The metric considers factors like node location and connectivity. Simulations validate the method's accuracy, showing that disturbances at identified nodes can destabilise the grid. The results suggest the metric's potential for improving grid security and resilience through targeted monitoring and protection strategies.