Affiliation:
1. Shenyang University of Technology
2. TBEA Shenyang Transformer Group Co., Ltd.
3. Avic Shenyang Aircraft Corporation
Abstract
The formation of CH4 from two kinds of NBR with different raw rubber applied in transformer oil were investigated. In this study, work environment of transformer was simulated，thermal aging tests were conducted for different times in 70°C transformer oil. Surface morphology, the release of CH4, and molecular structure were analyzed by using Gas Chromatography (GC), Scanning Electron Microscope (SEM), and Fourier Transform Infrared analysis (FTIR), respectively. In addition, the swelling property was also discussed in this work. The results illustrated that raw rubber with more content of acrylonitrile had excellent advantages in heat oil aging resistance and the formation of CH4.
Publisher
Trans Tech Publications, Ltd.
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