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Instalação de medidores inteligentes no Brasil: uma análise econômica
(Universidade Federal de Santa Maria, 2015-08-14)
This dissertation presents an analysis of economic viability of smart meters
installation, building scenarios of probable behaviors of the residential consumers
and the hourly rate which includes the concept of smart ...
Topologias baseadas no conversor Zeta aplicadas em módulos Pv integrados para carga de baterias
(Universidade Federal de Santa Maria, 2015-03-23)
The management system and Future Renewable Electric Energy Delivery (FREEDM) is an example of microgrid distributed generation (GD), which has a power management. In the current DC bus the FREEDM are connected to the ...
Análise de paralelismo para reconfiguração de redes de distribuição com geração distribuída usando software ATPDraw
(Universidade Federal de Santa Maria, 2015-08-24)
Improving Distribution Systems has been strongly driven by advances in automation and network data collection. This is reflected in improvements in quality of service and product, and reliability in service to consumers ...
Desenvolvimento de transformador de distribuição de elevada eficiência e reduzida relação peso/potência empregando núcleo amorfo e óleo vegetal isolante
(Universidade Federal de Santa Maria, 2015-03-12)
The high amount of transformers connected to the Brazilian distribution system justifies the works and studies performed in order to improve the efficiency of these equipment. Any progress represents a significant improve ...
Controle por modos deslizantes e observador de distúrbios aplicados ao motor síncrono de ímãs permanentes
(Universidade Federal de Santa Maria, 2015-08-20)
This master thesis proposes a current control technique based on sliding mode strategy
and disturbance observer for high-performance drive applied to permanent magnet
synchronous motors and can be extended to other ...
Otimização do projeto de transformadores de distribuição que empregam núcleo amorfo e óleo vegetal isolante.
(Universidade Federal de Santa Maria, 2015-08-27)
This paper presents a methodology for optimizing the distribution transformers project, considering the capitalized cost, employing concurrently in your project amorphous core and insulating vegetable oil. The use of ...
Metodologia para classificação e tratamento de eventos especiais
(Universidade Federal de Santa Maria, 2015-08-21)
The electric utilities seek alternatives to permanently improve the contents of continuity of electricity, employing efforts for increasingly sophisticated alternatives and applying new methodologies in this area. The need ...
Otimização do rendimento do conversor DAB aplicado ao transformador eletrônico
(Universidade Federal de Santa Maria, 2015-08-27)
This work developed a deep investigation about different three level three level
modulation patterns that the DAB converter can operate, and the impact of these different
patterns over the converter power flow and ...
Análise de transformador piezelétrico radial utilizando disco de eletrodo seccionado para conversor Half-Bridge
(Universidade Federal de Santa Maria, 2015-08-27)
This work presents an analysis of a Piezoelectric Transformer (TP), showing the main types of devices, characteristics, operation modes, among others important points. The parameters of Mason Classic Model are determined ...
Projeto e desenvolvimento de fontes auxiliares para transformadores de estado sólido
(Universidade Federal de Santa Maria, 2015-08-31)
This master thesis presents the development of an auxiliary power supply to provide energy to sensors, gate drivers, instrumentation circuits and control of a three-stage Solid State Transformer (SST). These devices require ...