Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 3 of 3 for “"Motores elétricos"”.
-
Análise quantitativa de emissões eletromagnéticas conduzidas em conversores chaveados
… de frequência para controle da velocidade de motores elétricos CA, são conversores chaveados capazes de gerar emissões eletromagnéticas conduzidas de valores elevados, que podem ocasionar o mal funcionamento de outros aparelhos elétricos. Uma das maneiras de evitar que essas emissões afetem …
-
Compensador para cargas de comportamento aleatório baseado em Flywheel
Describes the design of a compensator to the effects produced by an electric arc furnace. A flywheel composed by a squirrel cage induction machine is proposed to make the active power smoothing possible. The applicability of the dual inverter topology to the flywheel control is studied. The …
-
Problemas de instabilidade dinâmica na utilização de motor passo a passo em plotter
A mathematical model was established for the dymanic performance of a digital plotter driven by a stepping motor. Digital simulation using the Runge-Kutta method was performed. The effect of pulse frequency on the dynamic behaviour of the system w.as investigated. Theoretical predictions were …