Abstract
Inverter-based resources (IBRs) is the term used to describe grid assets such as wind, solar, batteries, data centres, etc. that are connected to the grid by power electronics. As variable renewables (wind and solar photovoltaics (PVs)), batteries and data centres increase their penetration in the grid, a new form of instability is emerging. This instability is IBR-driven and is already resulting in many instances of sub-synchronous oscillations (SSOs) on grids worldwide. SSOs have always been a feature of grids, but these IBR-driven SSOs are different in their nature and their characteristics. System operators globally are rushing to try to detect, mitigate, and manage these SSOs. This presentation will highlight a comprehensive end-to-end, multilayered mitigation strategy being developed at Imperial College London in collaboration with the Global Power System Transformation and multiple system operators worldwide. Preliminary results will be presented, and future research directions will be highlighted.
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