Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/4869
Título: Linear and sliding-mode control design for matrix converter-based unified power flow controllers
Autor: Monteiro, Joaquim José Rodrigues
Silva, José Fernandes Alves da
Pinto, Sónia Ferreira
Palma, João Carlos Pires da
Palavras-chave: Direct Power Controllers (DPC)
Linear Controllers
Matrix Converter
Unified Power Flow Controllers (UPFC)
Data: Jul-2014
Editora: IEEE - Institute of Electrical and Electronics Engineers Inc.
Resumo: This paper presents the design and compares the performance of linear, decoupled and direct power controllers (DPC) for three-phase matrix converters operating as unified power flow controllers (UPFC). A simplified steady-state model of the matrix converter-based UPFC fitted with a modified Venturini high-frequency pulse width modulator is first used to design the linear controllers for the transmission line active (P) and reactive (Q) powers. In order to minimize the resulting cross coupling between P and Q power controllers, decoupled linear controllers (DLC) are synthesized using inverse dynamics linearization. DPC are then developed using sliding-mode control techniques, in order to guarantee both robustness and decoupled control. The designed P and Q power controllers are compared using simulations and experimental results. Linear controllers show acceptable steady-state behaviour but still exhibit coupling between P and Q powers in transient operation. DLC are free from cross coupling but are parameter sensitive. Results obtained by DPC show decoupled power control with zero error tracking and faster responses with no overshoot and no steady-state error. All the designed controllers were implemented using the same digital signal processing hardware.
Peer review: yes
URI: http://hdl.handle.net/10400.21/4869
DOI: 10.1109/TPEL.2013.2282256
ISSN: 0885-8993
Versão do Editor: http://ieeexplore.ieee.org/stamp/stamp.jsp?arnumber=06601646
Aparece nas colecções:ISEL - Eng. Electrotécn. - Artigos

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