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Contribution to the study and improvement of the electric performance of high voltage insulators

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Figure 2. 3 Radial cracking due to cement growth on porcelain insulators [2.6].
Figure 2. 5. Composite insulator structure
Figure 2.7 shows corona discharge activity.
Figure 2. 9  Evolution of the installation of polymer insulator chains with respect to  the total length of the network
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