文档介绍：ElectricalandElectronicTechnol ogy电工电子技术ElectricalTechnol ogyAboutelectricaltechnology,Ilearnedcircuit,oncept,basiclaw,howtoanalyzecircuit,sinealternatingcurrentcircuitandthree‐phasecircuit,’’scurrentlaw(KCL)’svoltagelaw(KLL)‐’stheorem戴维宁定理Youdon’thavetocalculateaboutunnecessarybranch,’’1I’1Y Connection Delta Connection Effective value E=U0(框内的开路电压,即a、b两端负载断开后的电压)R0=有源二端网络中所有理想电压源短路,理想电流源开路后的无源网络a、’stheoremIs就是有源二端网络的短路电流,即a、=有源二端网络中所有理想电压源短路,理想电流源开路后的无源网络a、b两端间等效电阻ElectronictechnologyIlearneddiode,triode,basicamplifyingcircuit,logicgate,&PTy