Electromagnetic Filters
Mostrando 13-15 de 15 artigos, teses e dissertações.
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13. Uma nova abordagem à filtragem de harmônicos através de dispositivos eletromagnéticos
A qualidade da energia elétrica se apresenta como uma área de grande interesse para os consumidores e concessionários de energia. Buscando meios para regulamentar o assunto, reconhece-se, na atualidade, a existência de recomendações, normas e critérios nacionais e internacionais voltados para a orientação dos valores limites ou de referência para o
Publicado em: 2006
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14. Development and application of shunt active filters for three-phase four-wire systems / Estudo e aplicação de filtros ativos paralelos para sistemas trifasicos com quatro fios
Electricity power quality has gained increased importance in the past few years. The growing number of power electronicsbased loads has created a preoccupation about harrnonic distortion in electric systems. Electricity power quality is an important issue both for energy utilities and consumers. Harrnonic poIlution may cause severe problems to electricity ut
Publicado em: 2005
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15. Human posterior auditory cortex gates novel sounds to consciousness
Life or death in hostile environments depends crucially on one's ability to detect and gate novel sounds to awareness, such as that of a twig cracking under the paw of a stalking predator in a noisy jungle. Two distinct auditory cortex processes have been thought to underlie this phenomenon: (i) attenuation of the so-called N1 response with repeated stimulat
National Academy of Sciences.