Significance and Detection of Very Low Degree of Polymerization of Paper in Transformers
IEEE electrical insulation magazine(2017)
摘要
It is a general belief that mineral oil filled power transformers are designed to operate reliably for up to 40 years. However, there are many transformers installed worldwide operating well beyond such age. Therefore, transformer end-of-life should not be simply indicated by the designed 40 years, but determined by the insulation system end-of-life.
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关键词
transformer,low degree of polymerization of paper,furans content
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