Partial Discharge measuring of additive manufactured component with a defined cavity

One critical aspect to ensure the safety and reliability of future components is the insulation coordination. However, new and high-quality insulation systems as well as direct and fast production are becoming increasingly important. The innovative technique of rapid prototyping using additive manufacturing is a modern method in product development. One of these additive manufacturing processes is the Fused Deposition Modeling. During this process, the resulting object is printed layer by layer with continuous filament of a thermoplastic material. However, to qualify those processes to ensure similar results with common insulation materials several tests have to be carried out. The focus of this work is the behavior of additively manufactured components during partial discharge at an applied voltage of 5 kV and the influence of cavities. These measurements are compared with the material structure recorded with a micro computed tomography.