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Design of modern Wind Energy Conversion Systems (WECSs) must take into account two crucial aspects: efficient control strategies and reliable monitoring and diagnosis techniques. Wind turbine generators based on Wound Rotor Induction Machine (WRIM) is actually the preferred technology mainly because of the lower rating of the power converter connected to the rotor side. With the association of a back-to...
The diagnosis of rotor broken bars in induction machines (IMs) is commonly carried out by means of Motor Current Signature Analysis, i.e., by classical spectrum analysis of the input currents. Specifically in case of broken bars, the amplitude of the left and right sideband components of a phase current is monitored in order to sense their signature. However Motor Current Signature Analysis, based...
The diagnosis of induction machine faults is commonly carried out by means of Motor Current Signature Analysis (MCSA), i.e., by classical spectrum analysis of the input currents. Specifically in case of broken bars, the amplitude of the left sideband component of a phase current is monitored in order to sense its signature. However MCSA has some drawbacks that are still under investigation. The main...
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