y=电路 正猴稳态电路的会并运 5∠60° Z 0.149∠-34°A 33.54∠63.40 UR=RI=15×0.149∠-3.4°=2.235∠-34。V U=joL=56.5490°×0.149∠-34=8424864V U =26.5∠-90°×0.149∠-3.40=3.95∠-93.4°V C 则i=0.1492cos(ot-34°)A l2=2235√2cos(0t-34°)V l42=842√2cos(ot+866°)V 3952cos(ot-934)V 「上页「下页0.149 3.4 A 33.54 63.4 5 60 o o o =  −   = = Z U I   则 i = 0.149 2cos(ωt −3.4 o ) A 15 0.149 3.4 2.235 3.4 V o o U  R = RI  =   − =  − j 56.5 90 0.149 3.4 8.42 86.4 V o o o U L = LI  =    − =  26.5 90 0.149 3.4 3.95 93.4 V C 1 j o o o U C = − I  =  −   − =  −  2.235 2cos( 3.4 ) V o uR = ω t − 8.42 2cos( 86.6 ) V o uL = ω t + 3.95 2cos( 93.4 ) V o uC = ω t − 返 回 上 页 下 页