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Emprego de um comutador eletrônico de taps para regulação de tensão em redes elétricas a partir do modelo de carga
(Universidade Federal de Santa Maria, 2018-08-31)
This doctoral thesis proposes a method for regulating the secondary voltage of distribution systems
based on the identification of ZIP models of the load (constant impedance, constant current and
constant power) at the ...
Renda variável para pequenos investidores: otimização de carteira de ações e análise de viabilidade econômica
(Universidade Federal de Santa Maria, 2018)
The Brazilian stock market grows with the fall of the basic interest rate of the economy. With this, create an opportunity to learn about investments, have a history of fundraising, migrate to the variable income, look for ...
Eficiência dos gráficos de controle na garantia da validade dos resultados de medição
(Universidade Federal de Santa Maria, 2018)
The ISO/IEC 17025 has been applied in laboratories of different areas that seek reliable and traceable
results. These laboratories are always looking for statistical techniques to ensuring the validity of their
results ...
Controle por modos deslizantes aplicado a um DSTATCOM utilizado em sistemas com gerador de indução autoexcitado para compensação de harmônicos e desbalanceamento
(Universidade Federal de Santa Maria, 2018-02-23)
This dissertation aims to present the design of a distribution synchronous static
compensator (DSTATCOM) control system applied to the voltage regulation and harmonic
and unbalanced load currents compensation in self ...
Análise da emissão de CO2 e cadeia de valor do uso de biomassa florestal como combustível em pequenas caldeiras a vapor na região Sul do Brasil
(Universidade Federal de Santa Maria, 2018-02-19)
Firewood is an important source of energy because it demands easy storage, a relatively low cost and its exploitation may be done with little processing. However, incomplete combustion of firewood produces a number of ...
Análise de topologias para lâmpada bulbo led utilizando dispositivos semicondutores de nitreto de gálio operando em 1MHz
(Universidade Federal de Santa Maria, 2018-08-31)
This paper presents the losses and efficiency evaluation to three different topologies. This paper
goals are evaluating the losses percental related to the semiconductors devices, Gallium Nitride (GaN). This paper presents ...
Uso de microalgas para adsorção do corante rodamina B empregado na indústria de tingimento de ágata
(Universidade Federal de Santa Maria, 2018-09-03)
Rhodamine B (RhB) has been widely used in dyeing of semiprecious stones (agate), which are exported from the Southern Brazil, and in this dyeing process, colored effluents are generated. Then, the objective of this work ...
Agregação helicoidal e adensamento por filtração do lodo de uma estação de tratamento de água
(Universidade Federal de Santa Maria, 2018-08-24)
The treatment of sludge generated in water treatment plants (WTP) aims to eliminate a considerable portion of water so that this solid residue can be disposed or used, and thus minimize environmental impacts with its release ...
Sistema neural artificial para identificação de perdas não técnica em consumidores rurais
(Universidade Federal de Santa Maria, 2018-12-19)
Non-technical losses have a significant impact on power distribution networks, and they are among the major concerns of the agents involved in power systems. Particularly in rural distribution networks, consumers with crop ...
Análise de cenários de modelo de franquia de pequeno porte
(Universidade Federal de Santa Maria, 2018)
The new entrepreneur inexperience may be a risk factor when inserts itself in the market.
That risk could be minimized when joining a franchise that already is organized and
consolidated in the mart. The objective of ...