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Itens para a visualização no momento 1261-1270 of 1908
Desenvolvimento de conversores de cinco níveis com capacitor chaveado e grampeamento ativo do ponto neutro
(Universidade Federal de Santa Maria, 2022-06-28)
This work aims to propose a five-level converter topology. The proposed converter
uses the switched capacitor concept with an active neutral point clamped structure, with
one floating capacitor per phase and only one ...
Conversores compostos para o interlink entre os barramentos de baixa e extrabaixa tensão de nanorredes CC
(Universidade Federal de Santa Maria, 2022-07-27)
This thesis presents a study on isolated DC-DC converters for the interface between a
low voltage bus, EBT (48 V), and a low voltage bus, BT (380 V) for a 1.2 kW residential
DC-DC nanogrid. The proposed converter makes ...
Regulação de sistema de geração baseado em gerador de indução autoexcitado empregando gerador síncrono como compensador de reativos
(Universidade Federal de Santa Maria, 2022-08-19)
This master’s thesis presents the development of a Self-excited Induction Generator (SEIG) and
a Synchronous Generator (SG) based generation system, where the SG acts as reactive power
compensator. In the generation ...
Análise de vinhos comerciais em relação à diferentes safras, cultivares e regiões do Rio Grande do Sul
(Universidade Federal de Santa Maria, 2022-10-14)
Brazilian wine production has increasingly grown in the cultural economic scenario, with an increase in production and the popularization of consumption. The knowledge necessary for quality winemaking in the country is ...
Contribuições ao controle adaptativo robusto por modelo de referência
(Universidade Federal de Santa Maria, 2022-09-30)
This work proposes to combine RMRAC (Robust Model Reference Adaptive Control)
control techniques to improve controller performance and ensure system robustness.
Furthermore proposed the development of stability proofs ...
Metodologia para parametrização da função de subtensão utilizada em geradores distribuídos
(Universidade Federal de Santa Maria, 2022-09-02)
One of the main concerns when sizing protection systems in distribution networks with
distributed generation connection is to ensure that islanding of these plants does not
occur. For this, several protection techniques ...
Ensino remoto de História em tempos de pandemia Covid-19: um estudo de caso
(Universidade Federal de Santa Maria, 2022-10-11)
In the year 2020, the outbreak of the COVID-19 pandemic occurred, causing the stoppage of
various sectors of society, including education. There was a requirement for social distancing
and, with that, the education needed ...
Ensaiando a constituição da docência na educação de jovens e adultos
(Universidade Federal de Santa Maria, 2022-02-24)
This paper is associated to the Graduate Program in Public Policy and Educational
Management, at the Federal University of Santa Maria (UFSM). It is a monographic
essay, written as the final assignment of the Specialization ...
Produtos comerciais à base de microalgas aplicados às fronteiras planetárias
(Universidade Federal de Santa Maria, 2022-03-28)
In this study, the impacts of production and consumption of the commercial microalgae-based products were assessed by means of life cycle assessment-based indicators and compared with the planetary boundaries. The production ...
Produção do espaço rural e as marcas na paisagem do Pampa gaúcho: os olivais no município de Caçapava do Sul/RS
(Universidade Federal de Santa Maria, 2022-02-09)
This research presents thoughts on the production of rural areas and the transformations on the
landscape of Pampa Gaúcho, embracing the specific case of olive groves and its insertion,
development and expansion in the ...