Thermal Transfers of SF_6 Electrical Arcs in High Voltage Circuit Breakers

• Authors: A. Ziani , H. Moulai
• Languages of publication: EN

Abstracts

EN

A new approach of thermal transfers modeling in electrical arcs at the opening of a high voltage circuit breaker will be presented. For instance, the arc equations will be coupled with the energy conservation equations. This approach enables to take into account the temporal variations of the temperature and dissipated energies during the extinction phase. On the other hand, the finite elements method is introduced in order to investigate the temperature profile variations. An arc quenching for a default current of 50 kA, 245 kV, SF_6 line breaker has been simulated. The results obtained by this coupling will be compared to applied measurements available through the literature.

Keywords

EN

52.65.Ww; 52.25.Kn

Discipline

• 52.65.Ww: Hybrid methods
• 52.25.Kn: Thermodynamics of plasmas

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2013
• Volume: 123
• Issue: 2
• Pages: 241-244

Dates

published

2013-02

Contributors

author

A. Ziani

• Electrical and Industrial Systems Laboratory, FEI, USTHB, BP 32 Bab Ezzouar, Algiers, 16311, Algeria

author

H. Moulai

• Electrical and Industrial Systems Laboratory, FEI, USTHB, BP 32 Bab Ezzouar, Algiers, 16311, Algeria

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Identifiers

DOI

10.12693/APhysPolA.123.241