CFD Simulation and Prediction of Breakdown Voltage in High Voltage Circuit Breakers

被引：0

作者：

Dhotre, M. T. ^{[1
]}

Ye, X. ^{[1
]}

Seeger, M. ^{[2
]}

Schwinne, M. ^{[2
]}

Kotilainen, S. ^{[1
]}

机构：

[1] ABB Switzerland Ltd, Interrupter Dev, CH-5401 Baden, Switzerland

[2] ABB Switzerland Ltd, Corp Res, CH-5405 Baden, Switzerland

来源：

2017 IEEE ELECTRICAL INSULATION CONFERENCE (EIC) | 2017年

关键词：

CFD; cold flow; high voltage circuit breaker; electrical field; cold dielectric test; DIELECTRIC RECOVERY; HOT SF6;

D O I：

暂无

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：

The current interruption process in a high voltage circuit breaker (HVCB) uses the arc energy to build gas pressure necessary for arc extinction. It is followed by the dielectric recovery. Here, dielectric recovery characteristics are analyzed for power test duties with 30% and 100% of the rated short circuit current. The analysis uses computational fluid dynamics and electric field simulations together with a streamer and leader inception models to deduce the characteristic breakdown voltage during recovery. The predicted pressure build-up and breakdown voltage are in agreement with the measurement. Finally the present status and limitations of the approach have been discussed.

引用

页码：201 / 204

页数：4

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