Research on Ablation and Material Properties of Arc Extinguishing Nozzles for Large Capacity Circuit Breaker

WEI Yabo; SUN Keke; DUAN Xiaohui; YAO Canjiang

doi:10.13296/j.1001-1609.hva.2026.03.006

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Research on Ablation and Material Properties of Arc Extinguishing Nozzles for Large Capacity Circuit Breaker

Research & Analysis | 更新时间：2026-03-11

- Research on Ablation and Material Properties of Arc Extinguishing Nozzles for Large Capacity Circuit Breaker
- High Voltage Apparatus Vol. 62, Issue 3, Pages: 39-46,60(2026)
- 作者机构：
  
  平顶山学院电气与机械工程学院，河南平顶山 467000
  西安交通大学电气工程学院，西安 710049
  河南平高电气股份有限公司，河南平顶山 467000
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2026.03.006
  CLC：
- Received：17 August 2025，
  
  Revised：2025-10-12，
  
  Published：16 March 2026
- 稿件说明：
移动端阅览
WEI Yabo, SUN Keke, DUAN Xiaohui, et al. Research on Ablation and Material Properties of Arc Extinguishing Nozzles for Large Capacity Circuit Breaker[J]. High Voltage Apparatus, 2026, 62(3): 39-46,60.
DOI：

WEI Yabo, SUN Keke, DUAN Xiaohui, et al. Research on Ablation and Material Properties of Arc Extinguishing Nozzles for Large Capacity Circuit Breaker[J]. High Voltage Apparatus, 2026, 62(3): 39-46,60. DOI： 10.13296/j.1001-1609.hva.2026.03.006.

摘要

以大容量灭弧喷口为研究对象，对不同氮化硼（BN）填充物含量的灭弧喷口进行开断烧蚀试验，得到了BN填充物含量对喷口烧蚀量的影响规律。其次，利用有限元对5% BN填充物含量的灭弧喷口进行温度场仿真计算，研究烧结工艺对灭弧喷口物理和性能的影响，并得到最优的烧结工艺曲线。利用最优烧结工艺制造不同BN填充物含量的灭弧喷口，并对其拉伸强度、断裂伸长率、击穿强度等参数进行测试，得到填料含量对灭弧喷口性能的影响规律。为后续大容量断路器用灭弧喷口配方选择提供了基础数据和理论支撑。

Abstract

The high-capacity arc extinguishing nozzle is taken as the research object

the breaking and ablation tests are firstly conducted on arc extinguishing nozzles with different boron nitride (BN) filling content

and the influence of BN filling content on the ablation amount of the nozzle is obtained. Then

the temperature field simulation calculation of the arc extinguishing nozzle with 5% BN filling content is conducted by using finite element method to study the influence of sintering process on the physical and performance of the arc extinguishing nozzle

and the optimal sintering process curve is obtained. The optimal sintering process is used to manufacture arc extinguishing nozzles with different BN filler contents

its such parameters as tensile strength

fracture elongation

breakdown strength are tested and the influence of filler content on the performance of arc extinguishing nozzles is obtained. This research has provided basic data and theoretical support for the selection of arc extinguishing nozzle recipe for subsequent high-capacity circuit breaker.

关键词

Keywords

references

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