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Sector (90 degree) copper conductor

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2 weeks 6 days ago #2980 by Mr KAVINRAJ GOPAL
Dear All,

Sector (90 degree) Copper conductor 240 sqmm,even 99% copper weight the Conductor resistant is fail.Received good quality copper and its resistivity is below 17.241 as well as purity of copper is 99.97 %.In RBD drwan wire size for 240 sqmm is 2.97 mm x 37 wire. In stranding process construction is 1+6+12+18 . only single compact roller used in every stage.Kindly advice me how to resolve the same.

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