船舶中压交流真空断路器结构抗冲击性能研究

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摘要船舶机电设备的抗冲击性能是考核设备战时生命力的重要指标。文中采用冲击试验机试验和数值仿真方法研究了船舶中压交流真空断路器的抗冲击性能。研究结果表明：原样机在冲击试验后出现了由于结构变形引起的技术特性参数变化（断路器一相超程过小）；样机模型的应力危险区域主要存在于底板和支撑底座，对该部分结构采用数值仿真方法（频域载荷）改进模型，改进后模型满足抗冲击性能要求；时域载荷作用下断路器模型的瞬态响应特性呈现为垂向响应较为剧烈，横向、纵向较为缓和，且在0.015s内响应最为剧烈，于0.15s趋于稳定；两种载荷作用下的模型响应结果较为接近，其中频域载荷应力值统计结果整体略大于时域载荷，选用频域载荷仿真计算更为保守。

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	黄镭1
	王华敏1
	涂煜1
	王威2
	沙新乐1
	徐庭伟1

关键词 ：船舶断路器, 抗冲击性能, 数值仿真, 有限元分析

Abstract：Anti-shock capability of marine electromechanical equipment is an important indicator for assessing the reliability in wartime. In this paper, the impact machine test and numerical simulation method were used to study the anti-shock capability of the breaker. The results show that the impact test has changed three-phase overtravel of breaker due to structural deformation. The high stress area of the model mainly exists in the bottom plate and supporting base, using numerical simulation method (frequency domain load) to improve the model structure, and the improved structure fulfil requirements.The transient response characteristics under the time domain load show that the vertical response is relatively sharp, the horizontal and vertical directions are relatively gentle, and the response has dramatic value in 0.015s, and tends to be stable at 0.15s. The model response results under the two loads are relatively close. The statistical results of the frequency domain load stress value are slightly larger than the time domain load. The frequency domain load simulation is more conservative. The research results are generally applicable to the anti-shock research of similar marine equipment.

Key words： marine circuit breaker anti-shock capability numerical simulation the finite element analysis

收稿日期: 2020-09-21 出版日期: 2022-02-15

引用本文:

黄镭1，王华敏1，涂煜1，王威2，沙新乐1，徐庭伟1. 船舶中压交流真空断路器结构抗冲击性能研究[J]. 振动与冲击, 2022, 41(3): 253-261.
HUANG Lei1, WANG Huamin1, TU Yu1, WANG Wei2, SHA Xinle1, XU Tingwei1. Anti-impact performance of marine medium voltage AC vacuum circuit breaker structure. JOURNAL OF VIBRATION AND SHOCK, 2022, 41(3): 253-261.

链接本文:

http://jvs.sjtu.edu.cn/CN/ 或 http://jvs.sjtu.edu.cn/CN/Y2022/V41/I3/253

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