TBTB/T188187198705181988121327.5kV(BT)1.1.1.1.2.1.3.pnlua121=(1)UnUn=27500Vlp()kmam1.4.2.2.1.Iba.Ib=27.5k12'++mmm[n]lppq1q2(mA)...........................(2)KlK1=1.13K2=1.88mMPp=0.75q13mq1=0.71q23mq2=0.7;[n][n]=ln2222)()(cbacba−+++acb+1[n]2222cbabc++bmcmb.Ib=27.5K12''++mmm[n](mA)...........................(3)2112qpqlaapa1a2[n]12aa[n]=12aa12)1()2(aaaNaN−−N(a)=a[vvArctguuArctgvuln111122−+++]acb+=uacbv−=21221aa212aaa+=:[n]12aa[n]2