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VУTһķƱȽ©٣Դķsaӡ涨҅R̵ĵAҪ飬Ա׃eƣٽƹ{{ơԖʩǷüʩĸȫδм㣬ĽķơʩVϴĵäĿԣʹЩ˷(zhn)˹PЩsδ僡ʩ©nNе?/P>
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y(zhn)199381(sh)ʩġýƹ淶JGJ/T1692ƼI(y)(zhn)1994111(sh)ʩġƹ淶GB5005794(qing)Թұ(zhn)GB5005794ʹķơʩ(sh)JίԱIECy(zhn)ӹeʩҎ(gu)(zhn)
GB5005794ýJCJ/T1692ýƷֵøӾ塢ϸ¡ʹijЩýgȥӦеİȫЩ֑ܳKM(fi)ΪõIECGB5005794JCJ/T1692ߵ(sh)ʣҪr1.ҺķJCJ/T1692еĹ?/P>
A(y)lՁ_÷ʩ
A(y)lՁ_÷ʩһـȼAԴཨTA(y)ՁNʹSĽ˼~Ʊأ˷ˡġּf(shu)1ԑƽ̹סլСEһסլ6߲bҸ2.2mԪУL=60mW=13mH=20mƽyTd=33.2d/aסլСEУϵK=1.JCJ/T1692йʽD.21D.22D.23D.24ã뽨ͬĔkm2Ae=L.W2LWH200HH200H106=60132601320200203.142020020106=0.02084km2صՁصƽܶxNg=0.024Td1.3=0.02433.21.3=2.28/km2.aA(y)ՁN=KNgAe=12.280.02084=0.0475/aJCJ/T169212.3.1ֻN0.05GB5005794УN0.06ףУN=0.0475<0.05ҸסլסլȺ{ߵҲȺʸסլʩ
ϼ㲽裬L=60mW=13mֱH=7m10m15m20mֲͬĸ߶xKֱֵȡ11.51.72Ng=2.28km2.aмNֵ2.f2еݿ֪rڣٵK=1r(sh)еĽN<0.05÷ʩԑK=1.5r(sh)ՊfߡߡɽɽʽСˮ¶^ɽɽ_ԑsĻرĽPڸ߶?5m]ʩ۵K=1.7r(sh)uľṹĽ߶s7m]ʩܵK=2r(sh)λNҰλã߶s7m]ʩ
ɼеĽ20mĸ߶xs÷ʩеĽ߶7mͱʩؼVĵλ֙ʺ?/P>
ͬr(sh)aĹУҲ1еýPƵĹ̲÷~ˣʩļӵװ?ʾ
8߾ýṄ?12ˮq?mlj1m.(x)ֲľ\\ֲ0.192t˹2950ԪA(y)㹤ֱӷ?.75Ԫסլ칫¥ý?998s600800ķʩ乤ֱӷԼ?50600ԪԴƣȫʡȫ߷ȼ߹˷Ӗ(xn)N˒ġˣTýķƱԽA(y)ՁмݼϾȷL(fng)ʩġʩˡܵȵİȫ
1.`ĹϵՁr(sh)Ձͨ\?y)bnVbߵĵλԑij˻Vijĸ߶hصλUo=URUL=IkRqL 1ʽIkֵkA RqbõĽص覸Lijĸ߶ohbõĵЦHIJ^kA/H 1ʽұߵһURIkRqλĵԜUL λĵзGB5005794йع涨༉(j)УȡIk=100kA^бΣ^10s^ = =10kA /sȡߵλoLo=1.4H/m1ʽɵQ(mo)Uo=100Rq1.4h10=100Rq14hkV 22ʽEͬĽصRq߶hr(sh)(yng)UoֵͬUoֵнϴ?߷ֱ48Rÿ߾ͬoՁҺˮƽϵĵ輰ѹUR/ULֵr3.3\֪صRqʹڲͬ߶ȵĽӵڔĵλз҂(c)(dng)ߵģͬ?/P>
2.֮İȫՁ`ϲՁ_ijʹPsڣзֻE^r(sh)5sڣ߶耾ͬȡ(qing)xUL=700kV/mER=500kV/m.Ļ(qing)oN(qing)xuĻ(qing)鏊(qing)oһ?/P>
֮İȫ롣ÿÄ?12Ϊ֮֮ܵĨҲɺؔ(ci)?/P>