Development of Current Limiting Device for Short and Autonomous Networks

Authors

  • K. Vostrov Department of Electrical Power Engineering and Equipment, Peter the Great Saint-Petersburg Polytechnic University, Polytechnicheskaya 29, 195251 St. Petersburg
  • V. Frolov Department of Electrical Power Engineering and Equipment, Peter the Great Saint-Petersburg Polytechnic University, Polytechnicheskaya 29, 195251 St. Petersburg
  • E. Safonov Department of Electrical Power Engineering and Equipment, Peter the Great Saint-Petersburg Polytechnic University, Polytechnicheskaya 29, 195251 St. Petersburg

DOI:

https://doi.org/10.14311/ppt.2017.2.182

Keywords:

current limiting, short circuit, arcless commutation, arc extinction

Abstract

In this paper, the problem of tripping of high values of short-circuit currents in mediumvoltage networks will be considered. Disconnection of short-circuit currents which can reach 100–300 kA in short networks is difficult task for modern switching equipment due to the impossibility of damping the electric arc generated by such currents, and due to strong thermal and electrodynamic effects on elements of the switching device. Solution based on active current limiting reactor will be presented.

References

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Published

2017-02-12

Issue

Vol. 4 No. 2 (2017)

Section

Articles

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