Fast Single-Turn Sensitive Stator Inter-Turn Fault Detection of Induction Machines Based on Positive and Negative Sequence Third Harmonic Components of Line Currents

@article{Wu2008FastSS,
  title={Fast Single-Turn Sensitive Stator Inter-Turn Fault Detection of Induction Machines Based on Positive and Negative Sequence Third Harmonic Components of Line Currents},
  author={Qing Wu and Subhasis Nandi},
  journal={2008 IEEE Industry Applications Society Annual Meeting},
  year={2008},
  pages={1-8}
}
Unambiguous detection of stator inter-turn faults for induction machines at their incipient stage, i.e., few turns' fault, has recently received great attention. Traditionally, inter- turn faults are detected using negative sequence current and impedance. However, their effectiveness under supply unbalance conditions is questionable. Recently line current third harmonic (+3f) has also been used in an attempt to achieve this goal. But, issues such as inherent structural asymmetry and voltage… CONTINUE READING

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