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| Content Provider | IET Digital Library |
|---|---|
| Author | Peppas, Georgios D. Charalampakos, Vasilios P. Pyrgioti, Eleytheria C. Danikas, Michael G. Bakandritsos, Aristides Gonos, Ioannis F. |
| Abstract | In this study, three different insulating liquids, natural ester, mineral oil which is currently used by the Public Power Corporation of Greece and a nanofluid of surface coated Fe3O4 nanoparticles into a natural ester matrix, were subjected to AC voltage stress and their statistical breakdown voltage was measured and compared. Three different electrode configurations were used during the measurements in order to study the effect of non-uniform fields on the breakdown voltage distribution. Four different statistical distributions were used for the statistical processing of the experimental results. The two of them were the frequently used normal and Weibull distributions; in addition, Gumbel and generalised extreme value (GEV) function distributions were studied. It was shown that, in most cases, the experimental data followed GEV and Weibull functions rather than normal or Gumbel. Therefore, GEV statistics fits indiscriminately better to the experimental results concerning breakdown voltage, for the three different electrodes configuration and the three understudied insulating oils. The experimental results indicated that nanofluid has better performance, in terms of dielectric breakdown voltage, compared with natural ester oil and mineral oil, hence nanofluid is considered as a potential substitute of the conventional dielectric liquids, with enhanced properties and prospects. |
| Starting Page | 644 |
| Ending Page | 652 |
| Page Count | 9 |
| ISSN | 17518822 |
| Volume Number | 10 |
| e-ISSN | 17518830 |
| Issue Number | Issue 6, Sep (2016) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-smt/10/6 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-smt.2016.0031 |
| Journal | IET Science, Measurement & Technology |
| Publisher Date | 2016-09-01 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | AC Breakdown Voltage AC Voltage Stress Dielectric Breakdown And Discharges Dielectric Breakdown And Space-charge Effects Dielectric Breakdown Voltage Electric Breakdown Electrodes Configuration Fe2O3 Generalised Extreme Value Function Distribution Insulating Oils Iron Compound Micromechanical And Nanomechanical Device And System Mineral Oil Nanofluidics Nanofluids Nanoparticle Natural Ester Oil Probability Theory Statistical Analysis Statistical Breakdown Voltage Statistics Stochastic Linearised SCUC Weibull Distribution |
| Content Type | Text |
| Resource Type | Article |
| Subject | Atomic and Molecular Physics, and Optics Electrical and Electronic Engineering |
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