A Study on Compensation Strategy for Distributed Inertia in a Novel Power System

To enhance the inertia levels of power systems with a high proportion of renewable energy sources and bolster system stability, this paper proposes a novel distributed inertia compensation strategy based on the unique characteristics of asynchronous power residual capacity. By integrating the residual capacity features of asynchronous power sources and optimizing for overall grid cost, a model for inertia compensation clearance is constructed. Subsequently, a genetic algorithm approach is devised to solve the model, complemented by a coordinated operational method for inertia compensation and electricity trading, tailored to the trading dynamics of the electricity market. Case studies affirm that this compensation strategy effectively incentivizes the utilization of virtual synchronous generator technology by asynchronous power sources to convert surplus capacity into inertia. This strategy not only enhances the efficiency of asynchronous power sources but also improves the frequency response characteristics of power systems, elevates the inertia levels in systems heavily reliant on renewable energy sources, and fortifies overall system stability.