大功率重载荷瞬间动作机构CAE建模与故障仿真

doi:10.16182/j.issn1004731x.joss.18-0679

系统仿真学报 ›› 2020, Vol. 32 ›› Issue (6): 1136-1144.doi: 10.16182/j.issn1004731x.joss.18-0679

大功率重载荷瞬间动作机构CAE建模与故障仿真

滕琳^1,2, 唐堂¹, 李翘婕³, 陈明^1*

1. 同济大学机械与能源工程学院，上海 201804;
2. 上海汽车乘用车技术中心，上海 201804;
3. 昆明云内动力股份有限公司，昆明 650200

收稿日期:2018-10-08 修回日期:2019-02-25 出版日期:2020-06-25 发布日期:2020-06-25
作者简介:滕琳(1993-)，女，满族，辽宁锦州，硕士，研究方向为设备故障仿真与诊断；唐堂(1981-)，男，上海普陀，博士，研究方向为智能制造与故障诊断；李翘婕(1990-)，女，云南昆明，硕士生，研究方向为数字建模与仿真。

CAE Modeling and Fault Simulation for Instantaneous Action Mechanism with High Power and Heavy Load

Teng Lin^1,2, Tang Tang¹, Li Qiaojie³, Chen Ming^1*

1. School of Mechanical Engineering, Tongji University, Shanghai 201804, China;
2. SAIC Motor Technical Center, Shanghai 201804, China;
3. Kunming Yunnei Power Co., Ltd., Kunming 650200, China

Received:2018-10-08 Revised:2019-02-25 Online:2020-06-25 Published:2020-06-25

摘要/Abstract

摘要： 针对断路器这类瞬间动作机构铰链间隙、结构弹性等真实因素诱发机械故障问题，建立了一种考虑实际工况的高压断路器有限元模型，分析大功率脉冲载荷作用下断路器工作特性，预测弹簧刚度、尺寸偏差对其运动特性的影响，揭示极限参数、设计缺陷等潜在故障导致断路器机械特性变化规律。该方法克服了试验成本高、工作量大、分析效率低的缺点；弥补了传统断路器故障样本参数单一，难以系统分析故障产生原因的缺陷；对提高断路器故障诊断水平有重要意义。

关键词: 高压断路器, 操动机构, 有限元模型, 故障仿真

Abstract: A FEM simulation of a high voltage circuit breaker under actual conditions is proposed to solve the high-frequency vibration and mechanical failure problems caused by the realistic factors such as the clearance and structural elasticity of the breaker. Its operating characteristic under the high power pulse load is analyzed and the influence of the spring stiffness and dimension error on the breaker’s motion characteristics was predicted. On the basis of the dependency of the breaker’s mechanical characteristics on potential faults, critical parameters and design defects are established. The new FEM of the a high-voltage circuit breaker will replace the traditional high-cost, large-work-load, and inefficient experimental diagnostic method. It also eliminates the obstacles of the systematic analysis on the fault generation mechanisms, such as the lack of fault samples of traditional experimental methods, and thus significantly improves the fault diagnosis for the high-voltage circuit breakers.

Key words: High-voltage circuit breaker, Operating mechanism, FEA model, Fault simulation

中图分类号:

TP182

滕琳, 唐堂, 李翘婕, 陈明. 大功率重载荷瞬间动作机构CAE建模与故障仿真[J]. 系统仿真学报, 2020, 32(6): 1136-1144.

Teng Lin, Tang Tang, Li Qiaojie, Chen Ming. CAE Modeling and Fault Simulation for Instantaneous Action Mechanism with High Power and Heavy Load[J]. Journal of System Simulation, 2020, 32(6): 1136-1144.

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大功率重载荷瞬间动作机构CAE建模与故障仿真

CAE Modeling and Fault Simulation for Instantaneous Action Mechanism with High Power and Heavy Load

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