The Potential of Frequency-Based Power Control in Distribution Grids

To integrate massively renewable energy systems, faster and more intelligent actuators are needed. The classical control of systems offers little to no inertia to the grid, letting relatively small disturbances create large frequency variations. In this paper, the concept of frequency-based power control for asynchronously-connected grids is introduced. These grids, being fed by a power electronics converter, are able to change their secondary side frequency actively and thus, shape the power consumption and production of frequency-dependent loads and generators. This introduces a new range of power control possibilities to further support the integration of renewable energy systems, also in low inertia conditions.