Simulation and Stress Analysis for Spring Actuator of CT14 High-voltage Circuit Breaker Based on LS-DYNA

LIU Ronghai; YANG Yingchun; CHENG Lifeng; GUO Xinliang; WAN Shuting; HE Zhihua; ZHANG Xiong

doi:10.13296/j.1001-1609.hva.2017.10.006

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Simulation and Stress Analysis for Spring Actuator of CT14 High-voltage Circuit Breaker Based on LS-DYNA

更新时间：2025-04-26

- Simulation and Stress Analysis for Spring Actuator of CT14 High-voltage Circuit Breaker Based on LS-DYNA
- High VoltageApparatus Vol. 53, Issue 10, Pages: 29-35(2017)
- 作者机构：
  
  1. 云南电网有限责任公司电力科学研究院
  2. 华北电力大学机械工程系
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.10.006
  CLC： TM561
- Published：2017
- 稿件说明：
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[1]刘荣海,杨迎春,成立峰,郭新良,万书亭,何智华,张雄.基于LS-DYNA的CT14高压断路器弹簧操动机构仿真与应力分析[J].高压电器,2017,53(10):29-35.

LIU Ronghai, YANG Yingchun, CHENG Lifeng, et al. Simulation and Stress Analysis for Spring Actuator of CT14 High-voltage Circuit Breaker Based on LS-DYNA[J]. High voltageapparatus, 2017, 53(10): 29-35.
[1]刘荣海,杨迎春,成立峰,郭新良,万书亭,何智华,张雄.基于LS-DYNA的CT14高压断路器弹簧操动机构仿真与应力分析[J].高压电器,2017,53(10):29-35. DOI： 10.13296/j.1001-1609.hva.2017.10.006.

LIU Ronghai, YANG Yingchun, CHENG Lifeng, et al. Simulation and Stress Analysis for Spring Actuator of CT14 High-voltage Circuit Breaker Based on LS-DYNA[J]. High voltageapparatus, 2017, 53(10): 29-35. DOI： 10.13296/j.1001-1609.hva.2017.10.006.

摘要

弹簧操动机构是CT14高压断路器的关键部件

其技术性能的优劣对断路器影响重大。根据CT14高压断路器操动系统的结构尺寸及其三维实体模型

通过Hyper Mesh软件进行了有限元建模。基于系统中存在凸轮与滚轮的非线性碰撞以及操动过程中大位移、大转动、大变形等特点

选用LS-DYNA软件作为应力分析计算的工具

得到了断路器操动机构在弹簧冲击载荷作用下的应力分布情况

以及各个零部件在操动过程中的应力动态变化。分析了应力分布及其动态变化对断路器动力学性能的影响。分析结果对于该型号断路器操动机构的优化设计和监控维护有重要的参考价值。

Abstract

Spring actuator is a very important component of CT14 high-voltage circuit breaker

their functions greatly affect the performances of circuit breakers.A finite element model of spring actuator was developed by Hyper Mesh according to the 3D-model and structure dimensions of CT14 high-voltage circuit breaker.Based on the nonlinear impact between the cam and the roller and the system characteristics such as large displacement

large rotation and large deformation in the process of operation

the LS-DYNA is used as the tool for stress calculation and simulation.The simulation results such as the stress distribution of the spring actuator under the impact load of spring and the dynamic changes of the stress of each component during the operation are obtained.The effects of stress distribution and its dynamic changes on the circuit breaker are analyzed.These conclusions provide important reference for the optimization design as well as monitoring and maintenance of this type of high-voltage circuit breakers.

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