ZL=20+jwl=20+j2PIfL=20+518.1j=518.485-87.79,Z=300+518.1j=598.69-59.93假设以电源电压为0度,I=U/Z=220*2^0.5/(598.69-59.93)=0.52-(-59.93)UR=I*R=(0.52-(-59.93))*280=145.6-(-59.93)UL=I*ZL=(0.52-(-59.93))*(518.485-87.79)=269.61-27.86