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Simulation studies of optimal decentralized load-frequency regulators
Bertran Albertí, Eduardo; Herranz, J.; Munilla, I.
Universitat Politècnica de Catalunya. Departament de Teoria del Senyal i Comunicacions; Universitat Politècnica de Catalunya. CSC - Components and Systems for Communications Research Group
On appliying the theory of the Optimal Decentralized Regulator (ODR) to the control of an Electric Power System (EPS), due attention has not been paid to some aspects such as the importance of the design model structure, the feasibility of reducing the generating unit efforts by penalizing the transient loop of the speed regulators deviations, and the application of the ODR only to en area with low capacity relative to the pool. In this paper, the importance of the external equivalent load in an area ODR design structure is studied, both analitically and by simulation, comparing the Calovic / Siljak structure and the Hiyama structure. Taking into account the real state of the EPS, the classical assumption that an ODR is implemented in each area is rejected; instead it is applied only in a low capacity area, using for the rest PI regulators. In a second part of this paper, the feasibility of reduce the generating efforts is considered by including in the model the transient loop (
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria de la telecomunicació
Large scale systems
Optimal control
Large-scale systems
Power systems modelling and control
Sistemes a gran escala
International Federation of Automatic Control (IFAC)

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