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Chào anh Picvendor, Rất cám ơn Anh nhờ Anh giúp thêm 3 tài liệu nữa:
1) IEEE Standard Test Procedure for Thermal Evaluation of Insulation Systems for Liquid-Immersed Distribution and Power Transformers
Page(s): 1 - 37
Digital Object Identifier : 10.1109/IEEESTD.2012.6143968
2) IEEE Guide for Loading Mineral-Oil-Immersed Transformers and Step-Voltage Regulators
Digital Object Identifier : 10.1109/IEEESTD.2012.6166928
3) Distribution Transformer Winding Losses Due to Nonsinusoidal Currents
Digital Object Identifier: 10.1109/TPWRD.1987.4308084
Date of Current Version: 12 November 2007
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