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34555554666229ABC123455.15.25.35.466.16.277.17.289ABC22222271111112222222233337891113GB10191911122002)999GB/T10193-19971SJ11267-2002JJG()6-19991voltgdedntrsitorVDR(IDC3(U)vistovoltgeNIkL5(k)volteti1A1mA6)i3.1voltagedependentresistorVDR3.2()DCreferencecurrent3.3()varistorvoltage3.4()leakagecurrent3.5()voltageratio1mA0.1mA3.6(nonlinearindexIRUNILká)00.151I2%bU%)I2%L005%5M51500V1mn5.1a)2%b)2%c)2%d)0.0055.21%5.35M5.41500V1minIRUNIL6056.16.1.1205o(UUU0á=1/log(U/U)UU1/10NN0.1N0.1226230%0632V2V5z0Hz6621b622k2)362A6a000V56.1.230%70%6.1.3220V22V50Hz0.5Hz6.26.2.1abc6.2.2(=2)1/36.2.31mA6.2.4a10500Vb5ák7.117.27.2.1322II7.2.2IRI1R1IRIIRIIIRR01IRIIIIRIRIR02U)N2522IR7.2.3(U)N7.2.3.1537.2.3.22N2UN()(1)(()I=IIRIIR0I0IR0%100%I44)()2U2UN22UU0NUNUN77.2.3.33(2)(2)U3UNRIUIRU0UN24IIIL=27.2.43533RIUIRUUIIII1010NLLL0L()(3)UUNUNUU0U=UUN0U0U0%100%LL=ILILIIL0%100%IIL05()IIL57.2.54IAUU01mAN1UUkNk10I1mARUUI0.1mAN1RUUkN0.10.10k=1041á/kk=k-k044kk=0UU1UU0.1k0kkLILIIL03372DC00V57.2.65DC1000V55DD=RURMSUDUDC1100%66DUVUVDUUVRMSVDC52850Vi7.2.77.2.81500V1minBC)b))gh)i)jBCa)b)c)d)e)f)g)h)i)j)7k)BCk)l)m)n)BC18AAA.1A.1.1128B228846ASB2012A1111101mA01111111.110%0.05%+0.005%0.02C11CJ1001V01400V%0.5%+5AA.1.2ADC0V000VAA.1.3DC1000V1000VA.2UVNIARUVNIARÙIRNU=IRNA3A.3uc2()(U)=N22uc122uc2(I)(I)+(R)(R)=u2u1()(y)+2u2()(y)U)c=(U)/1N(I)R(I)=Rc=2U(U)/N(RI(R)=I9AA.5k2k20V12V01%k=2U=ku=20.6V=1.2VU=0.12%crelU2%k2lU=0.12%k=2relA00VA.61000V0A0.55ìA/0Ù0.2kÙ//A0.32ìAA0.5ìAA0.59ìAÙ0.12kÙ0V0.6V0V0.59V0V0.12VMÙ1MÙA1mAuui)u(y)i|c|i3310A4A.4RRH///B1B2BBIB.1B.2B.3B.4IR11B5UB.5UNB.7B.81.010/UUkU0.1U0.1U11k101/k=10áB6ILB.6ILI1RRU0124IC.1C.2C.3C.4C.5IR6UNC.6UNILC.7ILCC.813