Abstract

The increasing penetration of renewable energy generation has raised new requirements for load frequency control (LFC) due to more frequency fluctuations caused by new energy generation in power systems. In this paper, a power system model with a pumped storage power station is established with demand response (DR) control loop to compensate frequency deviation of the power grid in time. Furthermore, linear active disturbance rejection control (LADRC) is adopted to adjust the frequency change in the power system. Simulation results indicate that the system with this control strategy has smaller frequency fluctuations and can achieve better control performance.

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