New developments in medium and high voltage cable with laminatesheaths as moisture barriers |
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Authors: | Bow K.E. |
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Affiliation: | Dow Chem. Co., Granville, OH; |
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Abstract: | The development of medium- and high-voltage cables with moisture barriers as a countermeasure to water treeing is reviewed. The moisture barrie can take traditional forms, including extruded or welded metallic tubes. The latest moisture-barrier cable designs use laminate sheaths. The traditional design approaches and the evolution of the laminate sheath are discussed. The various designs, under-jacket with foil or sheet, or on-core, are described. Design considerations are also discussed. Information on deployment in the field and standardization activities is also included |
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