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Field controlled composite insulator e.g. rod, has core, shielding sheath and field control layer that is applied by plasma coating to core, where dielectric properties are controlled by geometric structure of field-control layer
Field controlled composite insulator e.g. rod, has core, shielding sheath and field control layer that is applied by plasma coating to core, where dielectric properties are controlled by geometric structure of field-control layer
The insulator (1) has a core (2), a field control layer (3) and a shielding sheath (4), where the field control layer is applied by a plasma coating to the core and comprises resistive materials, and dielectric properties are controlled by a geometric structure of the field control layer. The field control layer is designed as active or excessive irregular stripe pattern that extends diagonally, where thickness and width of the field control layer decrease or increase over the length of the core. The field control layer is applied for dielectric barrier discharge.
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