Force Analysis of Casing Caused by Over-length Cable in Cable Room of Ring Network Cabinet

FANG Chunhua; PAN Minglong; YI Mancheng; GU Chunhui; LI Guijun; SHEN Yingtao

doi:10.13296/j.1001-1609.hva.2018.01.004

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Force Analysis of Casing Caused by Over-length Cable in Cable Room of Ring Network Cabinet

更新时间：2025-04-26

- Force Analysis of Casing Caused by Over-length Cable in Cable Room of Ring Network Cabinet
- High VoltageApparatus Vol. 54, Issue 1, Pages: 23-28(2018)
- 作者机构：
  
  1. 三峡大学电气与新能源学院
  2. 南网广州供电公司
  3. 欧玛嘉宝(珠海)开关设备有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.01.004
  CLC： TM216.5
- Published：2018
- 稿件说明：
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[1]方春华,潘明龙,易满成,顾春晖,李桂军,沈应涛.环网柜电缆室电缆过长对套管受力分析[J].高压电器,2018,54(01):23-28.

FANG Chunhua, PAN Minglong, YI Mancheng, et al. Force Analysis of Casing Caused by Over-length Cable in Cable Room of Ring Network Cabinet[J]. High voltageapparatus, 2018, 54(1): 23-28.
[1]方春华,潘明龙,易满成,顾春晖,李桂军,沈应涛.环网柜电缆室电缆过长对套管受力分析[J].高压电器,2018,54(01):23-28. DOI： 10.13296/j.1001-1609.hva.2018.01.004.

FANG Chunhua, PAN Minglong, YI Mancheng, et al. Force Analysis of Casing Caused by Over-length Cable in Cable Room of Ring Network Cabinet[J]. High voltageapparatus, 2018, 54(1): 23-28. DOI： 10.13296/j.1001-1609.hva.2018.01.004.

摘要

当前SF

欧式环网柜在国内10kV配电网中得到广泛应用

但是在与三芯电缆连接时常常因为电缆芯线截取过长导致弯曲应力过大

对套管造成破坏。文中基于Ansys有限元分析软件对不同长度和不同型号的电缆芯线对套管产生的作用力进行了仿真分析

并通过试验验证了仿真结果。结果表明

芯线截取过长时套管受力会随着其高度的增加而明显降低。通过试验确定套管允许作用力为500 N后

建议环网柜套管高度不应低于800 mm。

Abstract

European ring network cabinet is widely used in the domestic 10kV distribution network nowadays

but when it is connected with the three-core cable

the casing is always damaged by the bending cable core wire

because the large stress is produced for bending of the overlong cable core wire. In this paper

the force to the casinggenerated by the different lengths and different types of cable core wire is simulated and analyzed based on Ansysfinite element analysis software

and the simulation results is verified through the experimental. The results show thatwhen the core wire is cut too long the force to casing decreased significantly with its height increased. After the test todetermine the allowable loads（500 N） for the casing

ring network cabinet casing height should

not be less than 800 mm.

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