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于少泽,咸日常,李海涛,等. SBH15型非晶合金变压器短路电动力分析及优化措施[J]. 科学技术与工程, 2020, 20(20): 8187-8192.
yushaoze,Li Haitao,et al.Analysis and Optimization of Short-circuit Electromotive Force of SBH15 Amorphous Alloy Transformer[J].Science Technology and Engineering,2020,20(20):8187-8192.
SBH15型非晶合金变压器短路电动力分析及优化措施
Analysis and Optimization of Short-circuit Electromotive Force of SBH15 Amorphous Alloy Transformer
投稿时间:2020-01-10  修订日期:2020-03-26
DOI:
中文关键词:  非晶合金  变压器  矩形绕组  短路电动力  优化措施
英文关键词:amorphous alloy  transformer  rectangular winding  short-circuit electromotive force  optimization measure
基金项目:
              
作者单位
于少泽 山东理工大学电气与电子工程学院
咸日常 山东理工大学电气与电子工程学院
李海涛 山东理工大学电气与电子工程学院
耿凯 山东中安电力科技有限公司
荣庆玉 山东中安电力科技有限公司
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中文摘要:
      为解决非晶合金变压器矩形绕组抗短路能力问题突出的现状,本文基于三维场-路耦合的多物理场对绕组短路电动力的分布特性进行研究。以一台SBH15型非晶合金变压器为研究对象,采用COMSOL仿真建模对其短路状态下电流、漏磁以及电动力分布进行分析研究,揭示了短路电动力沿绕组的分布规律,并确定了承力薄弱点。研究表明,矩形绕组长轴所受短路电动力大于短轴,且在长轴转角处尤其明显。最后,对其承力不足之处提出了优化措施建议。研究成果对进一步提高非晶合金变压器抗短路能力具有工程实用价值。
英文摘要:
      In order to solve the ability to resist short circuit is prominent of rectangular winding of amorphous alloy transformers, this paper studies the distribution characteristics of winding short-circuit electromotive force based on field-circuit coupling multiphysics. Taking an SBH15 amorphous alloy distribution transformer as the research object, the COMSOL simulation software was used to analyze and study the current, magnetic flux leakage, and electric force distribution in the short-circuit state. The results show the distribution law of short-circuit electromotive force along the winding and the weak point of short-circuit bearing capacity of rectangular winding. Studies show the short-circuit electromotive force on the long axis of the rectangular winding is greater than the short axis, and it is particularly obvious at the corner of the long axis. Finally, suggestions for optimization measures are put forward based on the lack of bearing capacity. The research has certain engineering practical value for further improving the short-circuit resistance of amorphous alloy transformers.
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