Research Article
Diagnosis of High Voltage Insulators Made of Ceramic Using Spectrophotometry
Table 5
Comparison of PD initial voltages for tested insulation systems, during which emission spectra may have increased intensity and the broadest range.
| | Values of initial voltages and for tested insulation systems | | WPK 3 cm | WPK 5 cm | WPK 7 cm | WPK 9 cm | WPK 11 cm | LK — | LS — |
| | 9.9% | 18.2% | 23.6% | 24.3% | 25.7% | 23.3% | 12% | | 15.5% | 25.5% | 30.5% | 37% | 39% | 72% | 37.5% | Difference | 36.2% | 28.6% | 22.6% | 34.3% | 34.1% | 67.6% | 68% |
|
|