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As an example, a substantially circular shaped cushion layer could also be extruded about a plurality of considerably pie shaped cushion layers which are grouped. For example, insulation and shield may be strippable as a unit, for example, low voltage armored power cable the place considerably cross-linked at an interface between the insulation and the shield. For example, an insulation shield layer can optionally be a semi-conductive layer utilized over an insulation layer to minimize electrical stresses in a cable. As mentioned, insulation could also be formulated as a compound with a number of alkane-based peroxides that may provide for radical polymerization where the a number of alkane-primarily based peroxides form radicals that can kind decomposition products, which may have a maximum molecular weigh less than about 100. In such an instance, the decomposition products will be non-aromatic. In such an instance, an non-compulsory armor layer could also be of a thickness of about 0.5 mm. As an example, for the cable seven hundred of FIG. 12, the cushion layer 760 can be extruded at an extrusion speed that's in a range from roughly 200 to approximately 800 ft per minute (e.g., approximately 61 to approximately 244 meters per minute).

As to high temperature efficiency, the cable 700 of FIG. 12 can exhibit improved high temperature performance when compared to the cable 1200 of FIG. 12. For instance, because the extruded cushion layer 760 can be thicker than the braided layer 1260, the extruded cushion layer 760 can permit for extra room for thermal growth, which may also help to prevent lead (Pb) from deforming at high temperatures. FIG. 9 exhibits an instance of the cable seven-hundred throughout an armoring process the place a strip of armor 780 is being utilized over an meeting that includes three insulated and barrier layer protected conductors the place each features a cushion layer 760-1, 760-2 and 760-3. In the example of FIG. 9, the cushion layers 760-1 and 760-three are surrounded to a better extent by the armor 780 than the cushion layer 760-2, which is shown to be an intermediate component of the assembly whereas the cushion layers 760-1 and 760-3 are shown to be finish or facet components of the meeting that is being armored. As an example, a layer 762 may be a further cushion layer 762 that surrounds the three cushion layers 760 of the grouped assemblies, which might further assist to guard the metallic shields 750 from an armoring course of.

For instance, as to the cable 630, consider three 1 gauge conductors (e.g., a diameter of about 7.35 mm) with numerous layers. For instance, a further cushion layer may be utilized that surrounds assemblies where the additional cushion layer is considerably circular in its cross-sectional form (e.g., an annular wall about a gaggle of assemblies). For instance, a cable jacket may provide fluid-, gas-, and/or temperature-resistance to a cable. As an example, a lead (Pb) primarily based barrier layer could be a metallic shield layer that can even serve as a floor airplane. In FIG. 7, the conductor 710 could be a strong copper conductor, the insulation 730 will be an EPDM-primarily based insulation, the metallic shield 750 is usually a metallic lead (Pb) shield (e.g., a lead (Pb) layer), the cushion layer 760 may be an extruded polyethylene layer that has achieved a desired quantity crosslinked (e.g., crosslinked polyethylene "XLPE") and the armor layer 780 is usually a metallic armor.

An extruded cushion layer can improve radial power of a protecting lead (Pb) layer when compared to a braided strategy that uses nylon or polyethylene terephthalate string. As an example, a die may provide for extruding materials in a considerably tubular shape about a lead (Pb) barrier layer. In the example of FIG. 9, the armor 780 contains edges 782 and 784 where the edge 782 could also be an exposed edge and where the edge 784 could also be a coated edge the place the armoring course of spirals the armor 780 with overlap. In the example of FIG. 6, the cable 610 with the circular cross-sectional shape has an space of unity and the cable 630 with the oblong cross-sectional form has space of about 0.82. As to perimeter, where the cable 610 has a perimeter of unity, the cable 630 has a perimeter of about 1.05. Thus, the cable 630 has a smaller volume and a larger surface space when compared to the cable 610. A smaller quantity can provide for a smaller mass and, for instance, much less tensile stress on a cable which may be deployed a distance in a downhole atmosphere (e.g., attributable to mass of the cable itself).