âDBDS & CORROSION FREEâ Programme: Diagnosis and ... - Cigré
âDBDS & CORROSION FREEâ Programme: Diagnosis and ... - Cigré
âDBDS & CORROSION FREEâ Programme: Diagnosis and ... - Cigré
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Solutions > Countermeasure no. 10 (4/6)Copper in oil before <strong>and</strong> after oil exchange©2009 Sea Marconi Technologies sas - All Right ReservedCopper content (mg/kg)14121086420007/1998 12/1999 04/2001 09/2002 01/2004 05/2005 10/2006 02/2008Date (month/year)Oil change0,450,40,350,30,250,20,150,10,05DDFCopperDDFEMPRESA ELÈCTRICAS CHILENAS Y CIGRE – 12/13 August 2009Solutions > Countermeasure no. 10 (5/6)Copper in oil <strong>and</strong> DDF decayafter oil depolarization©2009 Sea Marconi Technologies sas - All Right ReservedCopper in oil (mg/kg)5045403530252015105011/200105/200212/2002Oil depolarisation06/200301/200408/2004DateCopper in oil (mg/kg)02/200509/200503/200610/20061,41,210,80,60,40,20DDF of oilDDFEMPRESA ELÈCTRICAS CHILENAS Y CIGRE – 12/13 August 200953
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