| 金属封闭开关设备触头盒绝缘结构的分析和优化 |
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| 引用本文： | 于庆瑞,王娇,刘建峰,闫静. 金属封闭开关设备触头盒绝缘结构的分析和优化[J]. 低压电器, 2012, 0(18): 5-7 |
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| 作者姓名： | 于庆瑞 王娇 刘建峰 闫静 |
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| 作者单位： | 1. 天水长城开关厂有限公司,甘肃天水,741018
2. 西安交通大学 电气工程学院,陕西西安,710049 |
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| 摘 要： | 针对金属封闭开关设备的技术现状和发展要求，研究40．5kV产品内置电流互感器触头盒绝缘结构，并提出优化方案。通过工频耐受电压试验发现，产品设计中存在的绝缘薄弱环节，利用Ansoft Maxwell12．1有限元分析软件对触头盒部位的电场分布进行仿真，并分析其影响因素。在此基础上，对触头盒绝缘结构进行了改进。试验结果表明，优化设计满足了绝缘性能的要求。
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| 关 键 词： | 金属封闭开关设备 触头盒 绝缘结构 电场 工频耐受电压试验 |
Analysis and Optimization for Insulation Structure of Contactor Box in Metal Enclosed Switchgear |
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| YU Qingrui , WANG Jiao , LIU Jianfeng , YAN Jing. Analysis and Optimization for Insulation Structure of Contactor Box in Metal Enclosed Switchgear[J]. Low Voltage Apparatus, 2012, 0(18): 5-7 |
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| Authors: | YU Qingrui WANG Jiao LIU Jianfeng YAN Jing |
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| Affiliation: | 1.Tianshui Changcheng Switchgear Factory Co.,Ltd.,Tianshui 741018,China; 2.School of Electrical Engineering,Xi’an Jiaotong University,Xi’an 710049,China) |
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| Abstract: | In the light of technology status and development requirements of metal enclosed switchgear, insulation structure of contactor box built current transformer on the 40.5 kV products was analyzed, and the optimization scheme was introduced. Weakness of insulation was found out with a power-frequency withstand voltage test,and the distribution of electric field was calculated by Ansoft Maxwell 12.1 software. On the basis of above works, the insulating structure of contact box was improved to meet technical demand. The experimental results show that the optimization design of insulation performance meet the requirements. |
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| Keywords: | metal enclosed switchgear contact box insulating structure electric field power-frequency withstand voltage test |
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