The dynamic model of induction motor under - reference frame is approximated by its associated discrete circuit model with the trapezoidal algorithm , after linearized using the neoton - rapson algorithm , the contribution of induction motor model to the circuit " s nodal equation matrix is calculated 按照改進(jìn)節(jié)點(diǎn)法的要求,異步電機(jī)采用-坐標(biāo)系下的動(dòng)態(tài)模型,使用梯形法求解微分方程,經(jīng)過離散化和線性化,得出異步電機(jī)作為一個(gè)電路元件對(duì)電路矩陣方程的貢獻(xiàn)。