A Method for Estimating Transformer Temperatures and Elapsed Lives Considering Operation Loads

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Title:	A Method for Estimating Transformer Temperatures and Elapsed Lives Considering Operation Loads
Authors:	Lee, Chun-Yao;Chang, Hong-Chan;Chen, Hung-Cheng
Contributors:	勤益科技大學
Date:	2008
Issue Date:	2010-03-22 16:38:52 (UTC+8)
Abstract:	A simplified temperature model is presented to substitute for the traditional temperature measurement. First, the temperature model of a transformer, based on IEEE std. C57.91, is briefly reviewed and then a load assumption is proposed to simplify the temperature formula. Second, a test case from the appendix of IEEE C57.91 is used to indicate that the measured and calculated temperatures are nearly the same using the proposed method. Finally, error analysis illustrates that the simplified models can be an alternative way to calculate the transformer temperatures and the transformer elapsed life. (10 refs.)
Relation:	WSEAS Transaction on Systems
Appears in Collections:	[Department of Electrical Engineering] 【電機工程系所】期刊論文

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