Research of Arc Chamber Optimization Techniques Based on Flow Field  and Arc Joint Simulation

ZHONG Jianying (钟建英); GUO Yujing (郭煜敬); ZHANG Hao (张豪)

doi:10.1088/1009-0630/18/3/17

Plasma Science and Technology > 2016 > 18(3): 319-324. > DOI: 10.1088/1009-0630/18/3/17

ZHONG Jianying (钟建英), GUO Yujing (郭煜敬), ZHANG Hao (张豪). Research of Arc Chamber Optimization Techniques Based on Flow Field and Arc Joint Simulation[J]. Plasma Science and Technology, 2016, 18(3): 319-324. DOI: 10.1088/1009-0630/18/3/17

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Research of Arc Chamber Optimization Techniques Based on Flow Field and Arc Joint Simulation

R&D Center, Pinggao Group Co., Ltd., Pingdingshan 467001, China

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Received Date: September 07, 2015

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Abstract

Abstract

The preliminary design of an arc chamber in the 550 kV SF₆ circuit breaker was proposed in accordance with the technical requirements and design experience. The structural optimization was carried out according to the no-load flow field simulation results and verified by no-load pressure measurement. Based on load simulation results such as temperature field variation at the arc area and the tendency of post arc current under different recovery voltage, the second optimal design was completed and its correctness was certi?cated by a breaking test. Results demonstrate that the interrupting capacity of an arc chamber can be evaluated by the comparison of the gas medium recovery speed and post arc current growth rate.
- flow filed,
- arc,
- simulation,
- high voltage SF6 circuit breaker,
- post arc current

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References

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