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da xing dian li bian ya qi rao zu wen du chang de shu zhi mo ni yan jiu
Author(s): 
Pages: 23-25+30
Year: Issue:  5
Journal: Electrical Manufacturing

Abstract: <正>以一台240MV·A/220kV三绕组电力变压器分析为例,建立了绕组温度场计算模型,并利用有限体积法进行数值计算,得到了变压器绕组温度场的分布规律和热点温度。通过对热点温度计算结果与实测值的比较,检验该方法的合理性,从而为预防产品局部过热和绕组温度在线监测提供了一种有效的分析方法。
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