Analysis and Optimization Design of Propellant-assisted Interrupter

ZHOU Yutao; ZHUANG Jinwu; WU Jin; ZHANG Chao; ZHANG Li

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Analysis and Optimization Design of Propellant-assisted Interrupter

更新时间：2025-12-08

- Analysis and Optimization Design of Propellant-assisted Interrupter
- Vol. 46, Issue 3, Pages: 939-946(2020)
- 作者机构：
  
  海军工程大学电气工程学院
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：31 March 2020，
  
  Published：2020
- 稿件说明：
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ZHOU Yutao, ZHUANG Jinwu, WU Jin, et al. Analysis and Optimization Design of Propellant-assisted Interrupter[J]. 2020, 46(3): 939-946.
DOI：

ZHOU Yutao, ZHUANG Jinwu, WU Jin, et al. Analysis and Optimization Design of Propellant-assisted Interrupter[J]. 2020, 46(3): 939-946. DOI：

摘要

现有熔断器中的高速开断器通常采用炸药爆轰产生的冲击波来进行爆破驱动

炸药在实际应用中存在破坏力强、噪声大、价格昂贵等缺陷

且炸药型开断器结构设计复杂、体积大、质量大。该文针对炸药型开断器存在的问题

设计了采用燃烧做功的火药辅助分断的新型开断器方案。为得到火药辅助分断式开断器的设计依据和优化原则

通过建立开断器的热电耦合模型和非线性动力学模型

分析了部件结构尺寸对其温升和分断特性的影响

得出关键参数的优化选取原则。最后设计了额定800 V/300 A的装置样机进行温升和分断试验

样机额定通流下的端子温升仅为39 K

功耗3.7 W;开断器刚分时间为144μs

开断平均速度可达18.5 m/s。试验结果与数值计算一致

相关研究结论可用于指导火药辅助分断式开断器的优化设计。

Abstract

The high-speed interrupter in an existing fuse is usually driven by shock wave generated by explosive detonation. There are some defects in the practical application of explosive

such as strong destructive power

high noise and high price. In addition

the structure design of explosive type interrupter is complex

and this type of interrupter is of large volume and heavy weight. To solve the problems of explosive type interrupter

a new type of interrupter scheme in which the propellant-assisted interrupter（PAI） works by burning is designed in this paper. In order to obtain the design basis and optimization principle of PAI

a thermoelectric coupling model and a non-linear dynamic model are established to analyze the influences of component size on its temperature rise and interruption characteristics. Some optimized parameters are achieved through simulations. Finally

a prototype of 800 V/300 A rated device is designed for temperature rise and interrupting tests. The terminal temperature rise of the prototype under rated current is only 39 K

and the power consumption is 3.7 W. PAI has a breaking time of 144 μs and an average breaking speed of 18.5 m/s. The results agree with the simulation ones which can be used to design PAI.

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