| 引用本文: | 杜林,王棣生,陈伟根,王有元,姚陈果.基于Seebeck效应的配电变压器绕组材质无损鉴别装置及测试分析[J].电力自动化设备,2019,39(2): |
| DU Lin,WANG Disheng,CHEN Weigen,WANG Youyuan,YAO Chenguo.Nondestructive identification equipment of winding materials for distribution transformer based on Seebeck effect and its test analysis[J].Electric Power Automation Equipment,2019,39(2): |
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| 摘要: |
| 基于配电变压器绕组回路Seebeck效应，研发绕组材质鉴别装置并进行测试分析。结合实际情况分析了干式变压器绕组回路Seebeck效应。根据实际回路温度分布及绕组材料特性，对铜、铝绕组回路的热电势进行理论计算，得出了绕组材质判断阈值。基于理论研究成果研发变压器绕组材质鉴别装置，对多台配电变压器进行测试分析。测试结果证明该绕组材质鉴别装置能有效鉴别铜、铝绕组材质。 |
| 关键词: 配电变压器 绕组 材质鉴别 Seebeck效应 Seebeck系数 |
| DOI：10.16081/j.issn.1006-6047.2019.02.002 |
| 分类号:TM41 |
| 基金项目:中央高校基本科研业务费专项资金资助项目(2018CDPTCG0001/31) |
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| Nondestructive identification equipment of winding materials for distribution transformer based on Seebeck effect and its test analysis |
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DU Lin, WANG Disheng, CHEN Weigen, WANG Youyuan, YAO Chenguo
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State Key Laboratory of Power Transmission Equipment & System Security and New Technology, Chongqing University, Chongqing 400044, China
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| Abstract: |
| Based on the Seebeck effect in winding circuit of distribution transformer, the winding material identification equipment is developed and tested. The Seebeck effect of winding circuit of dry-type transformer is analyzed based on the actual situation. According to the temperature distribution of actual winding circuit and the characteristics of winding material, the theoretical thermoelectric potential of copper and aluminum winding circuits are calculated to obtain the identification threshold. Based on the theoretical results, a transformer winding material identification equipment is developed, and multiple distribution transformers are tested and analyzed. The test results show that the developed winding material identification equipment can effectively identify copper and aluminum winding materials. |
| Key words: distribution transformer winding material identification Seebeck effect Seebeck coefficient |
