Diagnosing multiple short circuit switches faults in wind turbine doubly-fed induction generator

Sara Kharoubi, Lamiaa El Menzhi


In the current paper, the inverter feeding Doubly Fed Induction Generator DFIG in the case of Short Circuit Switches Fault is presented. Defects diagnosis is based on the so-called the Lissajous curves of DFIG rotor currents. For this purpose, the modeling of the variable speed wind energy conversion chain based on the DFIG, is firstly introduced, after that a description of the Voltage Source Inverter operating mode is presented. Finally, rotor currents Lissajous curves are analyzed in case of a non-defective and defective inverter. Simulation results confirm the efficiency of the proposed method


defects diagnosis; doubly fed electric machine; inverters; lissajous curves; short circuit switches fault; voltage source inverter

DOI: http://doi.org/10.11591/ijpeds.v13.i1.pp%25p


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