DL401-91中华人民共和国行业标准高压电缆选用导则

DL401911991-03-081991-08-01IEC1831984150Hz1kV22.12.1.1U02.1.2U2.1.3UmUm2.1.4Up12.1.5Up211kVU0UUm33.61.8367.23.66101268.71517.58.71220241218354221266372.5374811012664—220252127—330363190—500550290—2.22.2.1()2.2.2a.U0/U1.8/3kV(PVC/A)U0/U1.8/3kV(PVC/B)(PE)b.(EPMEPDM)(EPR)(XLPE)33.13.1.113.815.75820kV3.1.23.1.33.1.43.1.53.1.6a.()b.()3.1.73.1.8()3.1.93.1.103.1.113.23.2.1a.b.c.d.()e.3.2.2a.()b.c.()d.e.()f.g.h.3.2.3a.b.()c.d.e.44.1U0U04.1.11minU0(1)4.1.21min2h28hU0(1)4.1.3110kVU0(1)4.2UU4.3UmUm4.4Up14.4.1Up12220kVUp14.4.2Up1a.Up12kVU0/U3.6/66/66/108.7/108.7/1512/2021/3526/35Up1607595125200250U0/U37/6348/6364/110127/220190/330290/500Up132545055095010501175130015501675b.Up1c.Up1A4.5Up2190/330290/500kVUp233kVU0/U190/330290/500Up2850950105012404.64B4kVU0/U1min()U0/U1min()37/63,48/6364/1102437.5190/3302462.5127/2202447.5290/5002472.555.15.1.1(35kV)63kV110kV220kV5.1.2(PVC)1kV5.1.36110kV(XLPE)220kV5.1.4(EPR)35kV5.25.2.15.2.25.35.3.155UkV6103563110220330500mm225355075951201505.3.2110kV66.16.2()6.3SF6(GIS)6.477.17.1.11.4(4)7.1.25s7.1.3207.27.2.167.2.278/20sIm2~3msIc7.2.3ImIm′7.37.3.16Im8/20s20/40sUkV1105.10.283.00.122010.00.446.00.333015.01.258.01.050020.03.1012.01.87ImIcUkV110220330500ImkAIcAImkAIcAImkAIcAImkAIcA26.91.78.63.39.15.610.72338.92.311.34.512.07.615.531.349.92.712.65.513.48.718.035.5510.52.913.45.714.39.319.637.7610.93.013.95.814.99.720.439.7711.13.214.36.015.310.021.640.8UUms′=(1)mUskVU()kV7.3.27.47.4.17.4.27.4.37.4.4A()A1A1BBBUBt()()(){caaaaataUtUimB−+−−=exp2exp321223122312ββτ()()]}τββτββanaaaaann1exp2exp13211223122322122312−+++−−LL()[]()−−−−=2expexp1exp1321232122312ττββτββtaaaaaUnim(A1)A1llZZZa+=1122lZZZa+=22232llZZZZ+−=1112βllZZZZ−−=2232βvl2=τUBt()A1BkVUim−−=vxtaimeUukVtsα12α231232Z1Z2Z1slmvm/sakV/snxmtττ−≥+2121ntnτ−=21ntB()()()τββτββanaaaUUnimBm−−−−=expexp321232122312(A2)(A2)n0=dndUBm()τββββτaan+−=32123212lnlnln(A3)B()A2(A2)0.1=imBmUU()()()0.1expexp321232122312=−−−−τββτββanaaan(A4)()τββββτaan+−=32123212lnlnlnτυ=2l(A3)(A4)l0ll0Uiml0A2I/I0UBm/UimUBmUim(A2)(A3)A1A2A1A2110kVZt=30Z1=500Z2=I0=380m220kVZl=30Z1=350Z2=I0=430m500kVZl=30Z1=280Z2=I0=554mA1UBm/Uimlm10020030040050075010001500UBm/Uim1.451.251.100.990.890.770.660.56UBms22.535425157.5727990A2a.b.c.B()B1()B1B1B1()()−+−+−−=••00010023221ZXsjZZXsIUAAC()00ZXsIUA−−=••limZZU+12UAUAKUAA+−=•••12RIXIUsAsXI•sXI•12RI•B2Y0()B2B2B1B2Y0B2Y0()(−−−+−−=••010023221XsjZZXsIUAAC()00ZXsIUc−−=••limZZU+12UCUCUCUCKUCKUCA()()2211222200121200323`31••••••++−++++−+=−+×++++−=RZRRIRRZZRRXRZIcUIZRRXRRZZIUcaaaaaaa++++−=−++++−=•••••••3`312121200111200aaaaaaZRRRZRIXIZIcURRIZRXRRZZIUcACAR1R2(CU′)(UC)YB3Y()B3B3B3YB3YUc()[]003ZXsjIUAC−−=••ACUc()002ZXIUsAC−−=••limZZU+122ACU(UAC)UCUC2ACKUA•CU•CU`()00ZXIUsAC−−=••YUACUAC2B4()B4B4B4B4(R06Zd)R6ZdR=0()()−+−+−−=••00010023221ZXjZZXIUsSADAC()00ZXIUSAD−−=••limZZU+12UADUADKUADA()()()adddadadSADZZRRZRIRZIZXIU−++++−−−=••••21122−=••XsIUAD()()adddadadSADZZRRZRIZIZXIU−+++−−−=••••2112ADIXsZad()−()R2=IXsZad()−B5()B5.1B5()&ln&&ln&&ln&URjlDrrIURjlDDrdIURjlDDrdIApApsBpABpCpACp=+×=+×=+×−−−21021021027277ωωω(B1)B5(a)(b)B5.2()()()&&&&&&&&&&&UIZIIZUIZIIZUIZIIZAAAppABBAppBCCAppC=−+=−+=−+000(B2)B6AU•BU•CU•ABCkV•IkA2•IkA0•IkApI•kAIRRZRRZIIppApP=++++−12120R1R2Uim50%(u50%)K()()K=102kAsXsZ01ZjlDd017210=×−ωlnZ00ZjlDd0072102=×−ωlnZd,ZRjlDrddd=+×−2107ωlnRdZaddDljZadln1027ω−×=dmZaZRjXZZaSS=+++0100RsZ1=rrslrrZεµπ1ln21Z1R(R1R2)RpZAAAAZRjlDrAAgs=+×−2107ωlnZBAZCABCAdDljRZgBAln1027−×+=ωdDljRZgCA2ln1027−×+=ωZpAZpBZpCABCAgpADDljRZln1027−×+=ωBgpBDDljRZln1027−×+=ωCgpCDDljRZln1027−×+=ωZpPRgRgf=×−π2107rsmmrdmmr1mmrPmmlmdmDD=94mmDADBDCABCµrεr_______________________