9?10解：i1?b0?b1?v?vΩ??b2?v?vΩ??b3?v?vΩ?23i2?b0?b1?v?vΩ??b2?v?vΩ??b3?v?vΩ?233v0??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?t3?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?121P0??P0?m2P0T?10.125??0.42?9?10.845?kW?22
9?13?1?vA?t??v??t??V?cos?tvB?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?t9?18解：R??R1?3R2ri24700?1000?510??1335???R2?ri24700?10003?Rd33?3.14?100????0.57R510?4700Kd?cos??0.87V??KdmaVim?0.87?0.3?0.5?0.132V?0.132P????6.33??W?2R?2?133522VimVimKd0.52?0.87P?????41.7??W?2RidR510?4700AP?
P?6.33??0.152P?41.7