Researchers analyzed how specific operational parameters can be identified in large power generators. They found that key values, such as inertia and damping, are difficult to accurately measure in later stages of the system's activity.
This reveals that the physical geometry of the generator limits how well we can determine critical operational parameters. Knowing these specific limits helps engineers build more robust and accurate models of the power grid.
✦ When measuring complex systems, knowing when to observe is as important as what we look for.