Research on Distributed Real-Time Optimal Control Strategy for Micro-Grid

This study addresses the issue of voltage stability in micro-grids connected to the grid and operating as “isolated islands” due to the fluctuation of wind and solar energy. It specifically focuses on wind power, photovoltaic power generation, and grid-connected operations of micro-grids. The study proposes a distributed power supply integrated control and operation strategy and investigates its impact on the voltage stability of micro-grid buses under different operating conditions. Simulation scenarios of micro-grids connected to the grid, individual operation, and grid-connected operation are used to verify the voltage stability of the micro-grid. The results indicate that the proposed control operation strategy can ensure both the efficient grid-connected power generation and the voltage stability of “isolated island” power generation. This improves the current operation structure and control strategy of micro-grids, ensures the stability, security, and applicability of the power grid, and confirms the effectiveness of the control strategy.