Effect of Radial Moisture Distribution on Frequency Domain Dielectric Response of Oil-Polymer Insulation Bushing.

Polymers (Basel) · 2020 · PMC7362240 · PMID 32471091

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a decreasing trendno p-value reported

As the excitation voltage increases, the tan δ - f curve shows a decreasing trend in the low frequency band.

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an increasing trendno p-value reported

It can be seen from Figure 4 that with the increase of moisture content, the tan δ - f curves show an increasing trend as a whole, and the increase in the middle frequency band is significantly larger.

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