Hybrid model of electric arcs in high voltage circuit breakers

被引：13

作者：

Ziani, A. ^{[1
]}

Moulai, H. ^{[1
]}

机构：

[1] Univ Sci & Technol Houari Boumediene, FEI, Fac Elect & Comp Sci, Lab Elect & Ind Syst, Algiers, Algeria

来源：

ELECTRIC POWER SYSTEMS RESEARCH | 2012年 / 92卷

关键词：

Circuit breaker; Electric arc; Hybrid model; Thermal radiation; MAYR; SF6; PLASMAS;

D O I：

10.1016/j.epsr.2012.04.021

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work, a OD hybrid model for arc quenching in a high voltage (HV) SF6 circuit breaker is developed. It integrates the thermal radiation of the plasma and enables to simulate the arc voltage and the conductance evolution through varying current ranges. We also show that the overvoltage peaks due to the transition between the developed model and Mayr model decrease when gases of weak ionization constant are used. The numerical solving of the model equations is based on the direct programming of Runge-Kutta method for default currents of about 90% of the breaking capacity in an SF6 circuit breaker (245 kV/50 kA/50 Hz). (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：37 / 42

页数：6

共 19 条

[1]

Cassie A. M., 1939, Tech. Rep. 102

[2]

Cengel YA., 1998, HEAT TRANSFER PRACTI

[3] THERMODYNAMIC PROPERTIES AND TRANSPORT-COEFFICIENTS IN SF(6)-CU MIXTURES AT TEMPERATURES OF 300-30000-K AND PRESSURES OF 0.1-1-MPA [J].