Passivity-Based Design of Sliding Modes for Optimal Load Frequency Control

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Passivity-Based Design of Sliding Modes for Optimal Load Frequency Control

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Trip, Sebastian / Cucuzzella, Michele / De Persis, Claudio / van der Schaft, Arjan / Ferrara, Antonella

This paper proposes a distributed sliding mode (SM) control strategy for optimal load frequency control (OLFC) in power networks, where besides frequency regulation, minimization of generation costs is also achieved (economic dispatch). We study a nonlinear power network of interconnected (equivalent) generators, including voltage and second-order turbine-governor dynamics. The turbine-governor dynamics suggest the design of a sliding manifold such that the turbine-governor system enjoys a suitable passivity property, once the sliding manifold is attained. This paper offers a new perspective on OLFC by means of SM control, and in comparison with the existing literature, we relax required dissipation conditions on the generation side and assumptions on the system parameters.

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Title :

Passivity-Based Design of Sliding Modes for Optimal Load Frequency Control

Contributors:

Trip, Sebastian (author) / Cucuzzella, Michele (author) / De Persis, Claudio (author) / van der Schaft, Arjan (author) / Ferrara, Antonella (author)

Publication date :

2019-09-01

Remarks:

Trip , S , Cucuzzella , M , De Persis , C , van der Schaft , A & Ferrara , A 2019 , ' Passivity-Based Design of Sliding Modes for Optimal Load Frequency Control ' , IEEE Transactions on Control Systems Technology , vol. 27 , no. 5 , pp. 1893-1906 . https://doi.org/10.1109/TCST.2018.2841844

DOI :

https://doi.org/10.1109/TCST.2018.2841844

Type of media :

Article (Journal)

Type of material :

Electronic Resource

Language :

English

Keywords :

Economic dispatch , incremental passivity , load frequency control (LFC) , power systems stability , sliding mode (SM) control , AUTOMATIC-GENERATION CONTROL , ECONOMIC-DISPATCH , CONSENSUS ALGORITHM , POWER GRIDS , PART I , OPTIMIZATION , STABILITY , NETWORK , ORDER