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Método de sincronização aplicado a conversores PWM trifásicos
(Universidade Federal de Santa Maria, 2006-07-17)
In the last decade, disturbances in the electrical system have been increased, mainly due to proliferation of nonlinear loads. As a result harmonic distortion, voltage unbalance and frequency variations are becoming a ...
Desenvolvimento e implementação de uma micro-rede avançada de alta freqüência para integração de fontes alternativas de energia
(Universidade Federal de Santa Maria, 2006-03-17)
This Thesis presents a distributed generation system, which works as a Microgrid, suitable to integrate alternative energy sources, using a high frequency AC link (HFAC) as a means of connecting sources and loads. The ...
Metodologia de projeto de fontes ininterruptas de energia monofásicas empregando controladores de ação repetitiva auxiliar no estágio de saída
(Universidade Federal de Santa Maria, 2006-12-18)
The present doctoral thesis concentrate efforts in the consolidation of the benefits introduced by the plug-in repetitive action in the performance of pulse-width modulated
voltage source inverters. The work is focused ...