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Mostrando ítems 121-130 de 3613
Busca da eficiência global para redução do consumo de energia elétrica
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilEngenharia de ProduçãoUTFPR, 2017-03-24)
In the competitive and capitalist universe the energy resources in some sectors but fundamental to the industry is the key to the success of some companies, being one of the main inputs of the industry. Industrial consumption ...
LNG in South America: the markets, the prices and the security of supply
(IEEE, 2008)
South America has emerged in recent years as one of the most dynamic regions for natural gas and electricity development. The continent boasts natural gas reserves and high-growth energy markets. The need to diversify away ...
Retificador monofásico três níveis com elevado fator de potência modificado para aplicações em UPS com ponto neutro comum entre a carga e as fontes CA/CC
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Sistemas de EnergiaUTFPR, 2019-10-31)
The dependence of electronic equipment is something regular, and within this context there are systems whose operation is considered critical, that is, they cannot fail due to the power supply's lack of energy. The use of ...
Análise dos índices de qualidade e eficiência de uma concessionária de energia elétrica
(Universidade Tecnológica Federal do ParanáPato BrancoBrasilDepartamento Acadêmico de ElétricaEngenharia ElétricaUTFPR, 2017-06-13)
Searching continuously for the improvement of the quality of electrical energy delivered to the consumers, intermittent supply and with prolonged interruptions cannot be admitted by the concessionaries. Therefore, a ceaseless ...
Proposal of a dedicated telemetry device for real-time and remote measurements
(2011-09-05)
This work aims to demonstrate an application of telemetry for monitoring process variables. The authors developed the prototype of a dedicated device capable of multiplexing, encoding and transmitting real-time data signals ...
Proposal of a dedicated telemetry device for real-time and remote measurements
(2011-09-05)
This work aims to demonstrate an application of telemetry for monitoring process variables. The authors developed the prototype of a dedicated device capable of multiplexing, encoding and transmitting real-time data signals ...
Desenvolvimento de inversor fotovoltaico conectado à rede elétrica com sistema de armazenamento de energia e isolamento galvânico
(Universidade Tecnológica Federal do ParanáCuritibaBrasilPrograma de Pós-Graduação em Sistemas de EnergiaUTFPR, 2019-11-28)
This research presents the development of a multi-phase Boost DC-DC converter in cascade with a half-bridge DC-AC converter. An isolated DC-AC system for applications in photovoltaic systems with energy storage system was ...
Estratégia de controle para a operação ilhada autônoma de uma unidade eólica de geração associada a banco de baterias
(Universidade Tecnológica Federal do ParanáPato BrancoPrograma de Pós-Graduação em Engenharia Elétrica, 2014-12-12)
The insertion and expansion of distributed generation bring about intrinsic
challenges, especially concerning to the reliability and operation of the electric power
system, which results in a paradigm shift imposed on ...
Estudo dos efeitos dos harmônicos gerados por residências na rede de distribuição secundária
(Universidade Tecnológica Federal do ParanáCuritibaBrasilCurso de Engenharia ElétricaUTFPR, 2016-11-30)
Currently the energy provider seeks improvements in energy quality supplyed in the eletrical system due to the reactive energy levels existente in the system that can cause huge losses of energy and provide potential. Whit ...