BS EN 62535-2009 绝缘液.检测用过和未用过的绝缘油中的潜在腐蚀性硫的试验方法

sigh007

                   【英文标准名称】:     Insulating liquids - Test method for detection of potentially corrosive sulphur in used and unused insulating oil            【原文标准名称】:     绝缘液.检测用过和未用过的绝缘油中的潜在腐蚀性硫的试验方法            【标准号】:     BS EN 62535-2009            【标准状态】:     现行            【国别】:     英国            【发布日期】:     2009-03-31    【实施或试行日期】: 2009-03-31【发布单位】: 英国标准学会(GB-BSI)【起草单位】: BSI【标准类型】: ()【标准水平】: ()【中文主题词】: 铜;腐蚀;定义;耐久性;定义(术语);电气工程;电绝缘材料;电绝缘装置;工业;绝缘液体;绝缘材料;绝缘油;绝缘;绝缘件;液体电绝缘材料;液体;润滑剂;润滑油;材料测试;材料试验;矿物油;油;旧的;硫;试验;测试;痕量元素分析;未使用的【英文主题词】: Copper;Corrosion;Definitions;Electrical engineering;Electrical insulating materials;Electrical insulation devices;Industries;Insulating liquids;Insulating materials;Insulating oils;Insulations;Liquid electrical insulating materials;Liquids;Lubricants;Lubricating oils;Materials testing;Mineral oils;Oils;Secondhand;Sulphur;Testing;Unused【摘要】: This International Standard specifies a test method for detection of potentially corrosivesulphur in used and unused mineral insulating oil.Most recent failures due to corrosive sulphur are related to the formation of copper sulphidedeposits in and on the surface of winding cellulosic paper.The test method uses a copper conductor, wrapped with one layer of paper, immersed in theoil and heated to evaluate the capability of the oil to yield copper sulphide and transfer it topaper layers.The growth of copper sulphide on bare copper may cause the presence of conductiveparticulates in the oil, which can act as nuclei for electrical discharge and may lead to a fault.Other test methods exist using a bare copper strip immersed in oil and heated to detect thecorrosive behaviour of oil against copper. ASTM D1275 Method B is also used for this testand a modified procedure using low oil volumes is included in Annex A.Tests with and without paper are considered as complementary and may lead to differentresults.【中国标准分类号】: K15【国际标准分类号】: 29_040_10【页数】: 22P;A4【正文语种】: 英语