Journal of Spectroscopy / 2016 / Article / Tab 5

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%
Difference36.2%28.6%22.6%34.3%34.1%67.6%68%

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