Condicionador unificado para a compensação simultânea de problemas de tensão e corrente
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Monteiro, Luís F. C.; Pregitzer, Ricardo G.; Pinto, J. G.; Afonso, João L.; Aredes, Maurício
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Open Access
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Conference paper
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2007
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rum
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http://hdl.handle.net/1822/7660
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Simulation and implementation results of a 3-phase 4-wire shunt active power filter
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Pregitzer, Ricardo G.; Costa, José C. C.; Martins, Júlio S.; Afonso, João L.
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Open Access
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Conference paper
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2006
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rum
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http://hdl.handle.net/1822/7686
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Web evaluator for students: a case example
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Brízida, Andreia Martins Anjos; Castro, Liliana B.; Afonso, João L.
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Open Access
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Journal article
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2006
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rum
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http://hdl.handle.net/1822/39367
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Parallel association of shunt active power filters
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Pregitzer, Ricardo G.; Pinto, J. G.; Sepúlveda, João; Afonso, João L.
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Open Access
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Conference paper
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2007
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rum
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http://hdl.handle.net/1822/7681
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Power quality studies using a developed low cost power quality monitor
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Costa, José C. C.; Pregitzer, Ricardo G.; Batista, José; Afonso, João L.
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Open Access
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Conference paper
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2006
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rum
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http://hdl.handle.net/1822/7664
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Traction system for electric vehicles using a variable frequency three-phase induction motor driver with regenerative braking
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Neves, Pedro; Afonso, João L.
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Open Access
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Conference paper
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2006
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rum
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http://hdl.handle.net/1822/7682
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Electric power quality monitoring results in different facilities
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Alves, Renato; Neves, Pedro; Gonçalves, Domingos; Pinto, J. G.; Batista, José; Afonso, João L.
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Open Access
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Conference paper
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2009
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rum
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http://hdl.handle.net/1822/19506
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Filtros activos paralelos para compensação dinâmica de problemas de corrente em sistemas monofásicos e trifásicos
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Pregitzer, Ricardo G.; Pinto, J. G.; Neves, Pedro; Monteiro, Luís F. C.; Afonso, João L.
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Open Access
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Conference paper
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2007
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rum
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http://hdl.handle.net/1822/7658
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A combined series active filter and passive filters for harmonics, unbalances and flicker compensation
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Pinto, J. G.; Pregitzer, Ricardo G.; Monteiro, Luís F. C.; Couto, Carlos; Afonso, João L.
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Open Access
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Conference paper
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2007
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rum
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http://hdl.handle.net/1822/7926
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Shunt active power filter with dynamic output current limitation
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Pregitzer, Ricardo G.; Pinto, J. G.; Monteiro, Luís F. C.; Afonso, João L.
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Open Access
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Conference paper
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2007
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rum
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http://hdl.handle.net/1822/7680
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Development of a variable frequency power electronics inverter to control the speed of a three-phase induction motor
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Neves, Pedro; Afonso, João L.
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Open Access
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Conference paper
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2006
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rum
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http://hdl.handle.net/1822/13472
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Experimental results of a single-phase shunt active filter prototype with different switching techniques
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Neves, Pedro; Pinto, J. G.; Pregitzer, Ricardo G.; Monteiro, Luís F. C.; Afonso, João L.; Sepúlveda, João
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Open Access
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Conference paper
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2007
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rum
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http://hdl.handle.net/1822/7657
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