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Published March 18, 2015 | public
Book Section - Chapter Open

Distributed Generator and Load-Side Secondary Frequency Control in Power Networks


We design a distributed secondary frequency control scheme for both generators and controllable loads. The proposed scheme operates via local sensing and computation, and neighborhood communication. Equilibrium and stability analysis of the closed-loop system is performed with a power network model including turbines and governors of generators and nonlinear AC power flows. After a change in power supply or demand, the proposed scheme is able to stabilize the system, restore bus frequencies and net inter-area power exchanges, and minimize total generation cost minus user utility at equilibrium.

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© 2015 IEEE. This work was supported by ARPA-E grant DEAR0000226 and Los Alamos National Lab through an DoE grant.

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August 20, 2023
August 20, 2023