Hybrid Model Predictive Control as a LFC solution in Hydropower Plants

For Electric Power System safety and stable operation, planning and analysis by using simulation environments are necessary. An important point for frequency stability analysis is, on one hand, an adequate representation of Load-Frequency Control (LFC) loops and, on the other hand, the design of adv...

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Main Authors: Donaisky Emerson, Oliveira Gustavo H. C., Santos Eduardo A. P., Leandro Gideon V., Pena Adinã M., Souza João A.
Format: Article
Language:English
Published: EDP Sciences 2015-01-01
Series:MATEC Web of Conferences
Online Access:http://dx.doi.org/10.1051/matecconf/20153503002
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author Donaisky Emerson
Oliveira Gustavo H. C.
Santos Eduardo A. P.
Leandro Gideon V.
Pena Adinã M.
Souza João A.
author_facet Donaisky Emerson
Oliveira Gustavo H. C.
Santos Eduardo A. P.
Leandro Gideon V.
Pena Adinã M.
Souza João A.
author_sort Donaisky Emerson
collection DOAJ
description For Electric Power System safety and stable operation, planning and analysis by using simulation environments are necessary. An important point for frequency stability analysis is, on one hand, an adequate representation of Load-Frequency Control (LFC) loops and, on the other hand, the design of advanced control strategies to deal with the power system dynamic complexity. Therefore, in this paper we propose to represent the group turbine/penstock, found in hydropower plants, in a Piecewise Affine (PWA) modelling structure. Based on such modelling, we also propose the use of a Hybrid Model Predictive algorithm to be use as a control law in LFC loops. Among the advantages of this PWA representation is the use of this model in the controller algorithm, thereby improving the Load-Frequency Control performance. Simulation results, on a 200 MW hydropower plant compares the performance of predictive control strategy presented with the classical PID control strategy in an isolated condition.
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spelling doaj.art-4dfd6af5e9e443a5a07490c627a7a0a82022-12-21T22:47:23ZengEDP SciencesMATEC Web of Conferences2261-236X2015-01-01350300210.1051/matecconf/20153503002matecconf_icmce2015_03002Hybrid Model Predictive Control as a LFC solution in Hydropower PlantsDonaisky Emerson0Oliveira Gustavo H. C.1Santos Eduardo A. P.2Leandro Gideon V.3Pena Adinã M.4Souza João A.5Polytechnic School, Pontifical Catholic University of ParanáElectrical Engineering Department, Federal University of ParanáPolytechnic School, Pontifical Catholic University of ParanáElectrical Engineering Department, Federal University of ParanáCEMIG-GTCOPI ControlFor Electric Power System safety and stable operation, planning and analysis by using simulation environments are necessary. An important point for frequency stability analysis is, on one hand, an adequate representation of Load-Frequency Control (LFC) loops and, on the other hand, the design of advanced control strategies to deal with the power system dynamic complexity. Therefore, in this paper we propose to represent the group turbine/penstock, found in hydropower plants, in a Piecewise Affine (PWA) modelling structure. Based on such modelling, we also propose the use of a Hybrid Model Predictive algorithm to be use as a control law in LFC loops. Among the advantages of this PWA representation is the use of this model in the controller algorithm, thereby improving the Load-Frequency Control performance. Simulation results, on a 200 MW hydropower plant compares the performance of predictive control strategy presented with the classical PID control strategy in an isolated condition.http://dx.doi.org/10.1051/matecconf/20153503002
spellingShingle Donaisky Emerson
Oliveira Gustavo H. C.
Santos Eduardo A. P.
Leandro Gideon V.
Pena Adinã M.
Souza João A.
Hybrid Model Predictive Control as a LFC solution in Hydropower Plants
MATEC Web of Conferences
title Hybrid Model Predictive Control as a LFC solution in Hydropower Plants
title_full Hybrid Model Predictive Control as a LFC solution in Hydropower Plants
title_fullStr Hybrid Model Predictive Control as a LFC solution in Hydropower Plants
title_full_unstemmed Hybrid Model Predictive Control as a LFC solution in Hydropower Plants
title_short Hybrid Model Predictive Control as a LFC solution in Hydropower Plants
title_sort hybrid model predictive control as a lfc solution in hydropower plants
url http://dx.doi.org/10.1051/matecconf/20153503002
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