为提高稳定计算的效率，对复杂的电力系统模型进行化简，以实现系统化降阶非常必要。

For improving the efficiency of power system stability analysis, it is necessary to study two time scale dynamic models of power systems and relevant model reduction.

youdao

为提高稳定计算的效率，对复杂的电力系统模型进行化简，以实现系统化降阶非常必要。

For improving the efficiency of power system stability analysis, it is necessary to study two time scale dynamic models of power systems and relevant model reduction.

youdao