doctoralThesis
Estudo e construção de um motor de indução de rotor externo de pequeno porte utilizado como motor-mancal
Fecha
2017-10-09Registro en:
BARROS FILHO, Adjair Ferreira. Estudo e construção de um motor de indução de rotor externo de pequeno porte utilizado como motor-mancal. 2017. 139f. Tese (Doutorado em Engenharia Elétrica e de Computação) - Centro de Tecnologia, Universidade Federal do Rio Grande do Norte, Natal, 2017.
Autor
Barros Filho, Adjair Ferreira
Resumen
This thesis aims the study and construction of a prototype of a small three-phase induction motor (28.6 mm outside diameter and 15 mm height), with the external squirrel cage-type rotor being used as a Bearingless motor. This study started using a conventional Brushless motor and was adapted to function as an external rotor induction motor. The bearingless induction motor uses the split winding configuration to achieve radial positioning. Simulation studies were performed by using the Finite Element Method (FEM), effectively showing that it is possible to control the radial position to keep the rotor spinning. A first prototype was successfully built and tested for a power of 100 W showing good potential for applications in this power range and size, such as those applied in artificial heart systems. The control system was implemented using the Digital Signal Processor - DSP TMS 320F28335.