An In-rush Current Suppression Technique for the Solid-State Transfer Switch System

@article{Cheng2007AnIC,
  title={An In-rush Current Suppression Technique for the Solid-State Transfer Switch System},
  author={Po-Tai Cheng and Yu-Hsing Chen},
  journal={2007 Power Conversion Conference - Nagoya},
  year={2007},
  pages={1698-1705}
}
More and more utility companies provide dual power feeders as a premier service of high power quality and reliability. To take advantage of this, the solid state transfer switch (STS) is adopted to protect the sensitive load against the voltage sag. However, the fast transfer process may cause in-rush current on the load-side transformer due to the resulting DC offset in its magnetic flux as the load-transfer is completed. The in-rush current can reach 8~30 p.u. and it may trigger the over… CONTINUE READING

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