کنفرانس مهندسی برق ایران

صفحه اصلی / سی و یکمین کنفرانس بین المللی مهندسی برق

Second-Order Sliding Mode Design Based on the Integration of Proportional-Integral and Nonlinear $\mathcal{H}_\infty$ Controllers for Load Frequency Control

نویسندگان :

Behrad Samari¹ Mohammad Javad Yazdanpanah²

1- دانشگاه تهران 2- دانشگاه تهران

کلمات کلیدی :

Decentralized control،load frequency control،nonlinear $\mathcal{H}_\infty$ controller،sliding mode control

چکیده :

This article addresses the load frequency control (LFC) problem of control-area-partitioned power networks. An equivalent generator with second-order turbine-governor dynamics is utilized to model each control area, and power flows establish nonlinear couplings between control areas. As a consequence of the integration of the proportional-integral (PI) controller and the nonlinear $\mathcal{H}_\infty$ controller, a novel suitable sliding manifold for enhancing dynamic performance is first proposed. Then, a decentralized second-order sliding mode (SOSM) controller is designed for LFC in power networks, which regulates the frequency and sustains the net inter-area power flows at the predetermined values. The simulation results demonstrate the efficacy of the proposed control strategy.

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