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Based on the platform designed for thermal aging test of oil-paper insulation system, the problem of thermal aging of solid insulation used in the oil-paper insulation of power equipment has been studied. The method of Frequency Domain Spectrum (FDS) has been applied to obtain frequency domain dielectric response properties of oil immersed paper insulation, and an unscrambling method according to...
Dielectric response measurements are non-invasive and promising diagnostic methods that are being gradually used for assessing the insulation and aging condition of transformer oil-paper insulation system. It is known that moisture content in oil-impregnated insulation has significant effect on its dielectric response phenomena, and whereas at present there is few research about the characteristics...
New techniques are necessitated to be introduced for the diagnosis of large oil-immersed power equipments for the disadvantages of traditional methods such as not very good operability and accuracy. The Frequency Domain dielectric Spectroscopy (FDS) for the diagnosis of oil-paper insulation is presented in this paper. Specimens and on-site equipments under different conditions are measured using FDS...
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