高壓電纜接觸不良放電分析方向

1、接觸不良放電之包帶與結(jié)構(gòu)間隙 1.220kV放電量與包帶電阻/結(jié)構(gòu)間隙關(guān)系圖 2.110kV放電量與包帶電阻/結(jié)構(gòu)間隙關(guān)系圖 3.220kV包帶原料與成品電阻值正態(tài)分布圖序序號(hào)號(hào)樣品來(lái)源樣品來(lái)源接觸不良接觸不良現(xiàn)象現(xiàn)象包帶表面電阻值包帶表面電阻值()()包帶體積電阻值包帶體積電阻值(cm(cm) )外導(dǎo)鋁護(hù)間隙外導(dǎo)鋁護(hù)間隙(mm)(mm)緩沖帶鋁護(hù)間隙緩沖帶鋁護(hù)間隙(mm)(mm)1P5-14-7-長(zhǎng)纜-5-6190kV5.0pC14524.31E+055.290.042P5-14-7-長(zhǎng)纜-1-1190kV2.0pC11003.51E+054.525-0.553P5-14-7-長(zhǎng)纜-4-21

2、90kV2.0pC8483.26E+054.960.084P5-14-8-長(zhǎng)纜-1-4190kV5.0pC11442.21E+057.071.55P5-14-8-長(zhǎng)纜-1-5190kV2.6pC18887.54E+045.80.756P5-14-8-長(zhǎng)纜-1-1190kV2.5pC15927.54E+045.13-0.017P5-14-7-長(zhǎng)纜-2-1190kV3.0pC11127.16E+046.5151.4標(biāo)準(zhǔn)值1500（）1.0E+06（cm)備注：序號(hào)黃色底板部分取自品保，白色底板取自半成品測(cè)量220kV接觸不良放電之包帶電阻與結(jié)構(gòu)間隙表220kV放電量與包帶表面電阻值關(guān)系圖(總圖)2

3、20kV放電量與毛面包帶表面電阻值關(guān)系圖220kV放電量與光面包帶表面電阻值關(guān)系圖220kV放電量與包帶體積電阻值關(guān)系圖220kV放電量與緩沖帶與鋁護(hù)結(jié)構(gòu)間隙關(guān)系圖0.22220kV放電量與外導(dǎo)與鋁護(hù)結(jié)構(gòu)間隙關(guān)系圖0.35110kV鋁護(hù)間隙與放電情況表卡號(hào)卡號(hào)鋁護(hù)內(nèi)鋁護(hù)內(nèi)徑徑外導(dǎo)外外導(dǎo)外徑徑繞包外繞包外徑徑間隙間隙( (鋁護(hù)鋁護(hù)- -外導(dǎo)外導(dǎo)) )間隙間隙( (鋁護(hù)鋁護(hù)- -繞包繞包) )接觸不良現(xiàn)象接觸不良現(xiàn)象C2-14-8-浙江-1-1-169.47575.12.850.05無(wú)C2-14-8-浙江-1-1-275.669.9275.822.84-0.1196kV1.5pCC2-14-8-浙

4、江-1-2-175.268.775.13.250.05無(wú)C2-14-8-浙江-1-2-275.268.9475.223.13-0.01無(wú)C2-14-8-山東-2-268.7975.474.72.955-0.3596kV1.3pCC2-14-8-山東-2-3-175.168.675.13.250無(wú)C2-14-8-浙江-2-17569.0274.82.990.1無(wú)C2-14-8-浙江-2-3-268.837575.63.3850.396kV1pCC2-14-8-浙江-1-4756975.13-0.05無(wú)備注：1.表格中數(shù)據(jù)取自品保2.表格中產(chǎn)品半導(dǎo)電阻水帶廠家由張家港更換為東爍110kV放電量與毛面包帶表面電阻值關(guān)系圖0.51,0.4|r|0.7為顯著性相關(guān) ,接觸不良放電與包帶毛面電阻值有關(guān)110kV放電量與光面包帶表面電阻值關(guān)系圖0.31110kV放電量與包帶體積電阻值關(guān)系圖0.43,0.4|r|0.7為顯著性相關(guān) ,接觸不良放電與包帶毛面電阻值有關(guān)110kV放電量與緩沖帶與鋁護(hù)結(jié)構(gòu)間隙關(guān)系圖0.19110kV放電量與外導(dǎo)與鋁護(hù)結(jié)構(gòu)間隙關(guān)