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Exact Linearization Nonlinear Neutral-Point Voltage Control for Single-Phase Three-Level NPC Converters

Author

Cobreces, Santiago

Bordonau Farrerons, José

Salaet Pereira, Juan Fernando

Bueno, Emilio J.

Rodríguez, Francisco J.

Other authors

Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica

Universitat Politècnica de Catalunya. GREP - Grup de Recerca en Electrònica de Potència

Publication date

2009-10

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Abstract

This letter proposes a new control scheme for the neutral-point (NP) balance in single-phase three-level NP-clamped converters. The control is addressed considering the plant under study, a nonlinear time-variant system. A quasi-exact linearization is applied allowing the application of classic control techniques. The described method is simple, general, and suitable for buck and boost topologies, as well as for inverter or rectifier operating modes under either linear or nonlinear loading. Correct operation is verified under simulated and experimental operation.

Postprint (published version)

Document Type

Article

Language

English

Subjects and keywords

Àrees temàtiques de la UPC::Enginyeria electrònica::Electrònica de potència; Nonlinear control theory; Electric current converters; Control no lineal, Teoria de; Convertidors de corrent elèctric

Related items

http://ieeexplore.ieee.org/xpl/tocresult.jsp?isnumber=5226771&isYear=2009

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Rights

Open Access

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E-prints [73020]