Diagnosis of Eccentric Rotor in Synchronous Machines by Analysis of Split-Phase Currents—Part II: Experimental Analysis

@article{Bruzzese2014DiagnosisOE,
  title={Diagnosis of Eccentric Rotor in Synchronous Machines by Analysis of Split-Phase Currents—Part II: Experimental Analysis},
  author={Claudio Bruzzese},
  journal={IEEE Transactions on Industrial Electronics},
  year={2014},
  volume={61},
  pages={4206-4216}
}
The windings of power synchronous machines are often parallel connected to obtain the desired machine voltage and current ratings. Ideally, the split-phase currents are equal in symmetrical windings, so as to avoid parasitic circulation of current in the parallel branches. However, the symmetry is broken in case of rotor eccentricity, and the split-phase currents become unbalanced. Part I of this paper analyzed the theoretical behavior of the unbalanced currents by using symmetrical components… CONTINUE READING
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Circulating current analysis in the parallel-connected windings of synchronous generators under abnormal operating conditions

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