Photothermal Radiometry Depth-Profiling of Aged Silicone Rubber Composite Insulators

Thermal and structural properties of aged silicone rubber composite insulators widely used in high-voltage transmission power systems were characterized by photothermal radiometry (PTR) to evaluate the degree of aging. A two-layer PTR theoretical model was developed to extract the thermal diffusivit...

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Veröffentlicht in:	IEEE transactions on power delivery 2021-10, Vol.36 (5), p.3223-3230
Hauptverfasser:	Jiang, Haitao, Li, Bincheng, Zhao, Binxing, Sun, Qiming, Lu, Rui, Chen, Bo
Format:	Artikel
Sprache:	eng
Schlagworte:	Absorption Aging Depth profiling Diffusivity Insulators Laser beams photothermal radiometry Radiometry Silicone resins Silicone rubber Silicone rubber composite insulators Silicones Substrates Surface treatment Thermal conductivity Thermal diffusivity thermal properties Thickness
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