9 10解:i1 b0 b1 v vΩ b2 v vΩ b3 v vΩ
2
3
i2 b0 b1 v vΩ b2 v vΩ b3 v vΩ
2
3
3
v0 i1 i2 R R2b1vΩ 4b2vvΩ 6b3v2vΩ 2b3vΩ
3
2b1RVΩcosΩt 3b3RV02VΩcosΩt 1.5b3RVΩcosΩt
2b2RV0VΩcos ω0 Ω t 2b2RV0VΩcos ω0 Ω t 1.5b3RV02VΩcos 2ω0 Ω t 1.5b3RV02VΩcos 2ω0 Ω t
3 0.5b3RVΩcos3Ωt
输出端的频率分量: 、3 、 0 、2 0
P0 10.125
9 12解:m1 2 1 2 1 0.5 P 9 0T
121
P0 P0 m2P0T 10.125 0.42 9 10.845 kW
22
9 13 1 vA t v t V cos t
vB t v t
2 若D1D2开路,则vA t vB t v t
vAB 0
3 若D1D2短路,则vA t v t V cos tvB 0vAB t V cos t