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20055No.52005ElectricWire&Cable200510Oct.,200550kV(,454001)::;50kV;;;:TM247.1:A:167226901(2005)0520024203R&Dof50kVHVFlexibleCableswithNon2CrosslinkedInsulationQINBao2xin(JiaozuoRailwayCablePlant,Jiaozuo454001,China)Abstract:Thispaperpresentsthedesign,testingandcontrolofkeyprocessesofHVflexiblecableswithnon2crosslinkedinsulation.Keywords:non2crosslinkedinsulation;50kVHVflexiblecable;design;testing;manufacture:2005201225:(1969-),,,.:8[454001].1,,,,,,,,,,,,,,,50kV2(1),,2.5,20mm(2)50Hz50kV;63kV12pC(3)150pFPm(4)6mm23,1150kV44.1,,710P0.31mm,,,,,,,,,,4.2,,,,,,,0.8mm4.34.3.1,(PE),11PEPEP(gPcm3)0.930.889(A)8375(20C)PMPa1212P%3004502.372.07P(kVPmm)3534P(cm)10161016310-4110-4(125C168h)P%-11-13P%-1084.3.2,,,,:t=VE=V0k1k2k33E(1),t(mm);V(kV);E,34kVPmm;V0,75kV;k1(n12,k1=2.83);k2(k2=1.0);k3(k3=1.1)(1):t=752.831.01.1334=3.97(mm)t4mm4.3.3,,(1)(2):C=20rlnDDc(2),D;Dc;0;r3.4mm,0.8mm,4.0mm:Dc=3.4+20.8=5.0(mm)D=5.0+24.0=13.0(mm)0=8.8610-12(FPm)(2)(3):C=55.7rG10-12(FPm)(3)G=lnDDc(4),GDDc(4)G=0.9555,(3):C=58.3r10-12(FPm)r=2.37,:C=58.32.3710-12=13810-12(FPm)r=2.07,:C=58.32.0710-12=12110-12(FPm)(2)Wd(WPm)(5):Wd=U2Ctg(5)=2f,U(V);f(Hz);C(FPm);tg:U=5104V;f=50Hz;=2f=3141,tg=310-4,:Wd=(5104)231413810-12310-4=0.033(WPm)tg=110-4,:Wd=(5104)231412110-12110-4=0.0095(WPm)(3)Ri(6):Ri=v2GG=lnDDc(6),v(cm);G(G=0.9555),(6):Ri=v2G=(10160.9555)P2=1.521015(cm)5220055No.52005ElectricWire&Cable200510Oct.,2005v,,,4mm,35kV,10.5mm4.44.5,,,,,,5,,,,,,,66.1500m,,22PEPE20CP(Pkm)3.33.263.2620CP(Mkm)1.0106(75kV,5min)(63kV)PpC1257.710.1P(pFPm)150150149.03163.11128.70138.42P(WPm)0.030.0330.0095Pmm5070376.2,,,50kV,,1.857,,,,,,,,,!!!6220055No.52005ElectricWire&Cable200510Oct.,2005