Modulação Space Vector ótima para conversores estáticos

• Ano de defesa: 2019
• Autor(a) principal: Zucuni, Jordan Pauleski
• Tipo de documento: Dissertação
• Tipo de acesso: Acesso aberto
• Idioma: por
• Instituição de defesa: Universidade Federal de Santa Maria; Brasil; Engenharia Elétrica; UFSM; Programa de Pós-Graduação em Engenharia Elétrica; Centro de Tecnologia
• Palavras-chave em Português: Modulação space vector ótima; Model predictive control; Função custo; Optimal space vector modulation; Cost function; CNPQ::ENGENHARIAS::ENGENHARIA ELETRICA
• Link de acesso: http://repositorio.ufsm.br/handle/1/18512

This work proposes an optimal space vector modultation methodology based on the FCSMPC approach for static converters relying on a cost function in order to decide, among the redundant vectors, those which forms the switching sequence. Thus, computational algorithms are necessary for the detection of the vectors that encompass the reference, for the duty cycle calculation, cost function evaluation and aplication of the selected vectors over one sampling period. In this way, the proposed methodology is developed for three converters: i) Single Phase Full Bridge; ii) Three-Phase Two-Level; iii) Three- Phase NPC. In the last case, besides the output voltage to synthetize it is necessary to implement the DC bus capacitors voltage balancing, making it possible through the correct cost function formulation. Finally, a space vector modulator is described, which is essencial to implement the presented technique, being able to apply, in a simple way, any switching sequence with the associated duty cycles.