Experimental study on fatigue characteristic of operating springs of SF<sub>6</sub> circuit breakers

DENG Ji1; MAO Wen-qi1; LI Zhi-yu1; CHEN Guo-ping2; JIANG Xin-miao2

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Experimental study on fatigue characteristic of operating springs of SF₆ circuit breakers

更新时间：2025-11-18

- Experimental study on fatigue characteristic of operating springs of SF₆ circuit breakers
- Vol. 31, Issue 5, Pages: 16-19(2011)
- 作者机构：
  
  1. 湖南省电力公司科学研究院
  2. 江苏省如高高压电器有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM561.2
- Published：2011
- 稿件说明：
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[1]邓集,毛文奇,黎治宇,陈国平,蒋新苗.SF_6断路器操作弹簧疲劳特性试验研究[J].湖南电力,2011,31(05):16-19.

DENG Ji1, MAO Wen-qi1, LI Zhi-yu1, et al. Experimental study on fatigue characteristic of operating springs of SF₆ circuit breakers[J]. 2011, 31(5): 16-19.
[1]邓集,毛文奇,黎治宇,陈国平,蒋新苗.SF_6断路器操作弹簧疲劳特性试验研究[J].湖南电力,2011,31(05):16-19. DOI：

DENG Ji1, MAO Wen-qi1, LI Zhi-yu1, et al. Experimental study on fatigue characteristic of operating springs of SF₆ circuit breakers[J]. 2011, 31(5): 16-19. DOI：

摘要

以圆柱螺旋弹簧为储能元件的弹簧操动机构在我国开发及推广应用已有多年

其中分、合闸操作弹簧是弹簧机构的关键部件

是影响分、合闸速度和时间的主要因素。本文选取典型分、合闸操作弹簧

装配在配套的弹簧操动机构中

通过模拟试验装置进行10 000次分、合闸机械操作

测量操作弹簧外形尺寸、压缩负荷以及分、合闸速度和时间等特征参量

得出操作弹簧特征参量与操作次数的关系曲线

试验结果对操作弹簧的检修工作具有参考价值。

Abstract

The spring operating mechanism which adopts cylinder coil spring as energy storage components has been developed and applied for many years in China.Opening and closing operating springs are important influencing factors on opening and closing speed and key components in spring operating mechanism.The closing and opening operation has been conducted 10

000 times for typical opening and closing operating spring through the simulation test equipment.Though the characteristic parameters of operating spring such as operating spring shape dimension

compression load

opening and closing speed

opening and closing time were measured

and the relation curves between the characteristic parameters of operating spring and operation time were obtained.The test results can be applied to condition-based maintenance of the operating spring.

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Experimental study on fatigue characteristic of operating springs of SF6 circuit breakers

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Experimental study on fatigue characteristic of operating springs of SF₆ circuit breakers