Structure Modification and Temperature Field Analysis of KYN28A-12 kV/4000 A Switchgear Cabinet

XU Liqun; SHEN Liang; NI Fusheng

doi:10.13296/j.1001-1609.hva.2017.03.040

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Structure Modification and Temperature Field Analysis of KYN28A-12 kV/4000 A Switchgear Cabinet

更新时间：2025-04-26

- Structure Modification and Temperature Field Analysis of KYN28A-12 kV/4000 A Switchgear Cabinet
- High VoltageApparatus Vol. 53, Issue 3, Pages: 254-258(2017)
- 作者机构：
  
  河海大学机电工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.03.040
  CLC： TM591
- Published：2017
- 稿件说明：
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[1]徐立群,申亮,倪福生.KYN28A-12kV/4000A开关柜的结构改进与温度场分析[J].高压电器,2017,53(03):254-258.

XU Liqun, SHEN Liang, NI Fusheng. Structure Modification and Temperature Field Analysis of KYN28A-12 kV/4000 A Switchgear Cabinet[J]. High voltageapparatus, 2017, 53(3): 254-258.
[1]徐立群,申亮,倪福生.KYN28A-12kV/4000A开关柜的结构改进与温度场分析[J].高压电器,2017,53(03):254-258. DOI： 10.13296/j.1001-1609.hva.2017.03.040.

XU Liqun, SHEN Liang, NI Fusheng. Structure Modification and Temperature Field Analysis of KYN28A-12 kV/4000 A Switchgear Cabinet[J]. High voltageapparatus, 2017, 53(3): 254-258. DOI： 10.13296/j.1001-1609.hva.2017.03.040.

摘要

文中针对12 kV/4 000 A开关柜设计中的温升问题

从限制发热和改善散热两方面对KYN28A-12 kV/4 000 A开关柜进行结构完善

将开关柜结构进行了简化建模

导入Ansys中分析了开关柜内的温度场。数值模拟的温升结果满足GB 3906—2006国标要求

改进后开关柜进行了实际温升实验

温升结果也满足IEC62271国际标准要求

表明结构改进方案是合理的

但模拟结果与实际实验结果最大温升点不太一致

希望在以后的研究中继续完善。

Abstract

In view of temperature rise in design of a 12 kV/4 000 A switchgear cabinet

the cabinet’s structure of KYN28A-12 kV/4 000 A was modified through limiting heat and improving heat radiation. A simplified 3D model of the structure was established and embedded into the software Ansys to analyze the temperature field in the cabinet. Both simulated and experimental temperature rise values in the modified switchgear cabinet satisfy the standards of GB 3906—2006 and IEC 62271

implying that the structure modification is reasonable. However

the simulated maximum temperature rise point is not consistent with the experimental one

which needs further research.

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