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| Content Provider | IET Digital Library |
|---|---|
| Author | Xiao, Meng Du, Bo Xue |
| Abstract | Traditional insulation material is thermally insulating and has a low thermal conductivity. The miniaturisation and higher power of electrical devices would generate lots of heat, which have created new challenges to safe and stable operation of the grid. The development of insulating materials with high thermal conductivity provides a new method to solve these problems. The improvement of thermal conductivity would increase the ability to conduct heat and greatly reduce the operating temperature of the electrical equipment, which could reduce the equipment size and extend service life. On the other hand, inorganic thermally conductive particles and the improved thermal conductivity may have great effect on thermal breakdown. In this study, the factors affecting the thermal conductivity of dielectric polymer composites were explored. Intrinsic thermal conductive polymer and particle-filled thermal conductive composites were discussed. Effect of thermal conductivity, shape, size, surface treatment of the particle and prepare process on thermal properties of the composites were illustrated. This study focused on the electrical and thermal properties of thermally conductive epoxy, polyimide and polyethylene composites. Tracking failure caused by thermal accumulation is a typical thermal breakdown phenomenon. The performance of the resistance to tracking failure was studied for these composites. The results showed that thermal conductive particles improved the resistance to tracking failure. Finally, application of thermally conductive epoxy in electrical equipment was discussed. |
| Starting Page | 34 |
| Ending Page | 42 |
| Page Count | 9 |
| Volume Number | 1 |
| e-ISSN | 23977264 |
| Issue Number | Issue 1, Apr (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/hve/1/1 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/hve.2016.0008 |
| Journal | High Voltage |
| Publisher | The Institution of Engineering and Technology CEPRI |
| Publisher Date | 2016-04-01 |
| Access Restriction | Open |
| Rights License | Creative Commons Attribution License (http://creativecommons.org/licenses/by/3.0/) |
| Subject Keyword | Composite Insulating Materials Composite Material Conducting Polymers Dielectric Material Dielectric Material And Property Dielectric Polymer Composites Eengineering Materials Science Electric Property Electrical Device Electrical Equipment Electrical Insulation Material Electrical Property Equipment Size Reduction Failure Analysis Filled Polymers High Thermal Conductivity Polymer Dielectrics Inorganic Thermally Conductive Particle Insulation And Insulating Coatings Intrinsic Thermal Conductive Polymer Particle-filled Thermal Conductive CompoSite Polyethylene CompoSite Polyimide CompoSite Polymers And Plastics Reliability Service Life Extension Surface Topography Measurement Thermal Accumulation Thermal Breakdown Phenomenon Thermal Conductivity Thermal Insulating Material Thermal Insulation Thermal Property Thermally Conductive Epoxy Tracking Failure |
| Content Type | Text |
| Resource Type | Article |
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