電力線路工高級(jí)技師題庫

UIcos。一。。。Aa6f提2。。為2AA16．已知L=50mH，通過電流的瞬時(shí)功率的表達(dá)式。。正24。26V。。。。。紅綠A與a，X與x。位。。。。。V。。。2大。kV和52兩。理。。。。。8。四。專。五V。電。BBS用H。，。。。。大。。BH兩m。。。。。4M。。壓。。?！恪?ABDCABBCBAChhhhAB)(ADhhhhCBCDCDDDBAAB(CCC)AAAAAhhhh(CCBDDBBAC與10Ammmm與Dmmmm與Ammmm(Dmmmm(Ammmm(Ammmm51．10與(Ammmm與CmmmmkV與AmmmmDmmmmAmmmAmCCDDAABCAmmmCACSSCCCCCmDmmmmAmmmmAmmmmAmmmDABAABmmmmB個(gè)個(gè)個(gè)個(gè)BC2D2BDAA或BCBBC(ACADCDAAADBA2C2C2D2CmmmmDmmmmD222222222222DDDDBBmmmBmmmmDmmmDCBDmmmDmmmBmmmADDDABmmmA22222222BBmmmmCB倍倍BCCCCDDB倍CBD倍倍倍DC(ACBDBDACADDBCiUBLL7ADDDCssssXfXD倍倍倍倍BCACBCCB倍倍倍倍BACAm(×)(√)(×)(×)(√)1(×)(√)(√)(×)(√)(×)(×)(√)(√)(√)(×)(√)(√)(√)(√)√)(×)(√)(√)(×)(×)×)(√)(×)(√)(×)(√)(×)(√)(×)(×)(√)(√)(√)2(√)(×)(×)(√)(×)(√)(×(√)(×))(×)(√)(×)(×)1(×)(×)(×)(×)(√)V(√)(×)(√)(×)(√)(√)(√)(√)(×)(√)(√)(√)(√)(√)(√)(√)(√)(√)(√)(√)(√)(√)(√)(√)(√)(×)(×)(√)(√)(×)(×)(√)(√)(√)(√)(×)(×)(√)(√)(×)(√)(√)11(√)2m(×)(√)(√)(√)(×)(×)2(×)(√)(√)(√)(√)(×)A(×)V(√)V(√)(√)m(√)(√)(√)(√)√)(√)(√)V(×)(×)(√)(√)(×)(×)(√)(×)(√)(√)(×)(√)(√)(√)3(√)(√)(√)×)(√)(×)(√)(√)(√)(√)(√)(×)(√)(√)A(√)Y(√)(√)(√)(√)(×)(√)(×)(√)A(×)(√)(×)(×)(√)(×)(√)(×)m(√)(√)A(√)A(√)答：(1)直埋電纜敷設(shè)。(2)架空電纜敷設(shè)。(3)生產(chǎn)廠房內(nèi)及溝道內(nèi)電纜的敷設(shè)。(4)小于1m4m1h時(shí)。Y6m0V1vMmml=θ121f[al（tantan]x1）2421[19.27tan3tan3]241[19.270.06350.05591]249.015）2.5f01009.0306）0為N為L取2216l124（cosffL22dcoslccocc825023260465.513000.273）22為f為l為88L（ff12.811.40.323）2222l3280xR00P8000.8cossinPQ8006002222Q6008006000.6PQ2222P30.857.8A）IUcosU3RcosXsin3IRlcosXlsin）（00357.80.29100.80.35100.62）22rX0000（）0.5UU0.95S0.45S1.02（）0.53333ρ=31.52L（5020]31.51/24065020]0.145RS2數(shù)TP1036）217.762.5a2d2162A3.14201mm2.01cm）2222AT2.0156002.62.5KbF43002T19417P5）A79.3P244.852.597.94）（