说明：  PSIM是趋向于电力电子领域以及电机控制领域的仿真应用包软件。PSIM全称Power Simulation。PSIM是由SIMCAD 和SIMVIEM两个软件来组成的。
(PSIM is a simulation application package software that tends to be in the field of power electronics and motor control. PSIM stands for Power Simulation. PSIM is composed of SIMCAD and SIMVIEM software.)