Evaluating Missing Wedges and Coil Movement with ESA IEEE Paper

Archive, Electrical and Current Signature Analysis, Electrical Reliability, EMPATH, Energy, Environment, IIoT, Motor Diagnostics, Reliability, Time To Failure Estimation TTFE, Wind Power

Two significant issues in wind power asynchronous generators are magnetic wedge loss and coil movement resulting in winding faults.  Most of the time the failures occur unexpectedly or require borescope or visual inspections of the generator stators.  In this paper we will identify how both conditions can be detected during operation through Electrical Signature Analysis. …

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Evaluation of Stator and Rotor Interturn Stress with Electrical Signature Analysis in Variable Frequency Drive and Wind Generator Applications

Electrical and Current Signature Analysis, Electrical Reliability, EMPATH, Energy, Environment, IIoT, Insulation Systems, Motor Diagnostics, Time To Failure Estimation TTFE, Variable Frequency Drive, Wind Power

Abstract— Electrical Signature Analysis is the application and analysis of Voltage and Current data collected on electrical machinery systems.  The measurements are converted to amplitude modulated Fast Fourier Transforms that can be evaluated for power, machine and powertrain conditions.  Electrical and mechanical conditions are determined through their effects on the airgap magnetic field.  One of…

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