ADRC-based Load Frequency Control of Multi-Source Interconnected Power System

This paper studies the load frequency control (LFC) problem of multi-region systems with renewable energy. Renewable energy access reduces the stability of the multi-area power system and accelerates the rate of change of system frequency deviations. Using modern control theory, we use a third-order active disturbance rejection control (ADRC) method to solve this problem. A third-order ADRC is designed to realize the stable control of load frequency. The dynamic characteristics and control requirements of single-region and multi-region power systems are analyzed by building their models. The proposed method is verified to be effective.