NDLI: Pressure distribution along the nozzle of a HV SF6 circuit breaker

Content Provider	IEEE Xplore Digital Library
Author	Muratovic, M. Delic, S. Hajdarovic, A. Kapetanovic, M. Yonggang Guan
Copyright Year	2014
Description	Author affiliation: EnergoBos ILJIN d.o.o., Sarajevo, Bosnia-Herzegovina (Hajdarovic, A.) \|\| Dept. of Power Eng., Univ. of Sarajevo, Sarajevo, Bosnia-Herzegovina (Muratovic, M.; Delic, S.; Kapetanovic, M.) \|\| Dept. of Electr. Eng., Tsinghua Univ., Beijing, China (Yonggang Guan)
Abstract	The density and SF6 gas pressure distribution along the nozzle of a HV circuit breaker plays an important role in the process of current interruption. Therefore, the analysis of the pressure distribution is essential for researchers and designers of HV SF6 circuit breakers. In this paper, simulation software for HV SF6 circuit breakers, which is based on an integral-physical enthalpy flow arc model, and CFD simulation software were used for determination of the pressures inside the interrupter chambers and pressure distribution along the nozzle. The calculated results are verified by comparison with the experimentally measured transient gas pressures for several positions inside the puffer cylinder, nozzle throat, upstream and downstream of the nozzle in a 252 kV puffer type SF6 circuit breaker during no-load operations and breaking of short-circuit currents. Comparison of the calculation results with the measurements revealed very good matching. In addition, the same simulation method is applied to some other types of HV circuit breakers and the obtained results are analyzed and discussed.
Starting Page	470
Ending Page	473
File Size	490347
Page Count	4
File Format	PDF
ISBN	9781467373234
e-ISBN	9781479940479
DOI	10.1109/IPMHVC.2014.7287313
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-01
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Voltage measurement SF6 Valves puffer nozzle arc modeling Circuit breakers Current measurement pressure measurement Sulfur hexafluoride current zero computer simulation Pressure measurement Integrated circuit modeling HV circuit breakers
Content Type	Text
Resource Type	Article

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Influence of Arc Energy to Puffer Pressure Rise for SF6 Circuit Breaker

Interruption simulation at different arcing times for a puffer type 252kV SF6 circuit breaker

Criteria for successful short circuit current interruption on a real 245 kV 40/50 kA SF6 circuit breaker

Effect of clipping pressure for low current duties in arc assist circuit breakers

Influence of contact erosion on the state of SF6 gas in interrupter chambers of HV SF6 circuit breakers

Puffer Characteristic Calculate and Test of High Voltage SF6 Circuit Breaker in Different Nozzle Throat Dimensions

Research on rotary-gas high voltage SF6 circuit breaker with novel blade nozzle Part III: Arc behavior research

Interrupter pressure measurement of a 252 kV SF6 circuit breaker

Research of shunt reactor switching phenomena in SF6 circuit breaker

Pressure distribution along the nozzle of a HV SF6 circuit breaker

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Criteria for successful short circuit current interruption on a real 245 kV 40/50 kA SF6 circuit breaker

Effect of clipping pressure for low current duties in arc assist circuit breakers

Influence of contact erosion on the state of SF6 gas in interrupter chambers of HV SF6 circuit breakers

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