Simulation and Experimental Analysis of Arc Motion Characteristics in Air Circuit Breaker

NIU Chunping (纽春萍); DING Juwen (丁炬文); WU Yi (吴翊); YANG Fei (杨飞); DONG Delong (董得龙); FAN Xingyu (范星宇); RONG Mingzhe (荣命哲)

doi:10.1088/1009-0630/18/3/05

Plasma Science and Technology > 2016 > 18(3): 241-246. > DOI: 10.1088/1009-0630/18/3/05

NIU Chunping (纽春萍), DING Juwen (丁炬文), WU Yi (吴翊), YANG Fei (杨飞), DONG Delong (董得龙), FAN Xingyu (范星宇), RONG Mingzhe (荣命哲). Simulation and Experimental Analysis of Arc Motion Characteristics in Air Circuit Breaker[J]. Plasma Science and Technology, 2016, 18(3): 241-246. DOI: 10.1088/1009-0630/18/3/05

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Simulation and Experimental Analysis of Arc Motion Characteristics in Air Circuit Breaker

State Key Laboratory of Electrical Insulation and Power Equipment, Xi’an Jiaotong University, Xi’an 710049, China

Funds: supported by National Key Basic Research Program of China (973 Program) (Nos. 2015CB251002, 6132620303), National Natural Science Foundation of China (Nos. 51221005, 51377128, 51577144), and the Fundamental Research Funds for the Central Universities,China

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Received Date: September 06, 2015

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Abstract

Abstract

In this paper, to simulate the arc motion in an air circuit breaker (ACB), a three-dimensional magneto-hydrodynamic (MHD) model is developed, considering the influence of thermal radiation, the change of physical parameters of arc plasma and the nonlinear characteristic of ferromagnetic material. The distributions of pressure, temperature, gas flow and current density of arc plasma in the arc region are calculated. The simulation results show some phenomena which discourage arc interruption, such as back commutation and arc burning at the back of the splitter plate. To verify the simulation model, the arc motion is studied experimentally. The influences of the material and position of the innermost barrier plate are analyzed mainly. It proved that the model developed in this paper can efficiently simulate the arc motion. The results indicate that the insulation barrier plate close to the top of the splitter plate is conducive to the arc splitting, which leads to the signi?cant increase of the arc voltage, so it is better for arc interruption. The research can provide methods and references to the optimization of ACB design.
- air circuit breaker,
- arc simulation,
- breaking test

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References

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