标签: 瞬时功率

InstantaneousPowerTheoryandApplicationstoPowerConditioning(2007)_HirofumiAkagi

INSTANTANEOUSPOWERTHEORYANDAPPLICATIONSTOPOWERCONDITIONING(2017)

功率第16讲正弦交流稳态电路的功率1瞬时功率2平均功率各种功率的定义是重点3无功功率4视在功率与复功率PrinciplesofElectricCircuitsLecture16TsinghuaUniversity20051瞬时功率(instantaneouspower)考察无源一端口网络吸收的瞬时功率(u,i关联)i+无u(t)=2Usinωtu_源i(t)=2Isin(ωtφ)瞬时功率p(t)=ui=2Usinωt2Isin(ωt)2sinαsinβ=cos(αβ)cos(α+β)第1表达式=UI[coscos(2ωt)]cos(αβ)=cosαcosβ+sinαsinβ第2表达式=UIcosφ(1cos2ωt)UIsinφsin2ωtPrinciplesofElectricCircuitsLecture16TsinghuaUniversity2005……