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Modeling and control of multi modular converters using optimal LQR controller with integral action
Rakhshani, Elyas; Mir Cantarellas, Antonio; Remón, D.; Rodríguez Cortés, Pedro; Candela García, José Ignacio
Universitat Politècnica de Catalunya. Departament d'Enginyeria Elèctrica; Universitat Politècnica de Catalunya. SEER - Sistemes Elèctrics d'Energia Renovable
A new application of LQR controller with the ability of reference tracking for a multi modular converter with several cells is proposed. First, the mathematical model for the grid connected MMC is presented and then, the small signal state space model is obtained. MMC is a very complex MIMO system with several state variables and global control for this system is very important issue. Optimal advanced controller based on linear quadratic regulator with integral action is a very good candidate for controlling the AC signals and energy balancing in multi cells MMC system. The performance and validity of obtained model and designed linear controller are evaluated with non-linear model of MMC in SimPower System toolbox/Matlab. Simulation results are verified the excellent performance of the proposed approach in the transient and steady state operational conditions.
Peer Reviewed
Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència::Convertidors de corrent elèctric
Àrees temàtiques de la UPC::Energies::Energia elèctrica::Convertidors estàtics d'energia elèctrica
Electric power distribution
Electric current converters
Linear quadratic regulator
Multi modular converter
Optimal control
Single-phase system
Energia elèctrica
Convertidors de corrent elèctric
info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
Institute of Electrical and Electronics Engineers (IEEE)
         

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