The mathematical models, such as the linearized model of large hydrogenerater which takes thesalient pole effect into consideration with a HVDC system , and the PNE controller with a powersystem stabilizor(PSS),are built.

• 详细地建立了考虑凸极效应并带有高压直流输电系统的大型水轮发电机组的线性化模型以及带有电力系统稳定器（PSS）的正负励磁控制系统的数学模型；