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Impact of electromagnetic radiation on cascaded failure in high voltage insulators
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10.1063/1.3551544
/content/aip/journal/apl/98/5/10.1063/1.3551544
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/5/10.1063/1.3551544
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Experimental setup for determining the field level at different locations along a cross-arm. The HV point to plane electrode creates a corona discharge. Wire sensors are situated 0.01 m away from the surface of the insulators to monitor the voltage due to the discharge. L1 and L2 represent locations 1 and 2 of the sensors.

Image of FIG. 2.
FIG. 2.

Voltage readings at 0.18, 0.98, and 1.96 m away from a discharge between the point and plane electrodes 0.06 m apart. The peak values of voltage were recorded over a 200 s period. After a few seconds contribution of the 50 Hz signal was filtered out.

Image of FIG. 3.
FIG. 3.

Voltage readings at 0.18, 0.98, and 1.96 m away from a discharge between the point and plane electrodes 0.08 m apart.

Image of FIG. 4.
FIG. 4.

A two-dimensional representation of the pole-cross-arm architecture, with HV insulators and a Gaussian line source, surrounded by air and a PML layer. Locations L1, L1-1, L2, and L2-1 indicate the positions where the intensity of the electric field is monitored.

Image of FIG. 5.
FIG. 5.

Electric field amplitude as a function of location along the cross-arm and of the dimensions of the discharge source.

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/content/aip/journal/apl/98/5/10.1063/1.3551544
2011-02-04
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Impact of electromagnetic radiation on cascaded failure in high voltage insulators
http://aip.metastore.ingenta.com/content/aip/journal/apl/98/5/10.1063/1.3551544
10.1063/1.3551544
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