CAJ | 학술논문

针对凸极同步发电机的精确建模问题，研究同步发电机dq 轴饱和的机理，采用动态饱和电感表述发电机电磁场非线性的特征，建立凸极同步发电机非线性磁场饱和模型，给出状态空间方程。通过凸极同步发电机的空载实验、转差法实验和静态频率响应实验，测得线性状态下发电机的电磁参数；以建立的数学模型和已测得的线性状态下的电磁参数为基础，辨识非线性状态下凸极同步发电机的电磁参数。研究结果表明所提方法能够有效辨识考虑磁饱和效应的凸极同步发电机参数，为精确控制提供更为可靠的依据。
침대철겁동보발전궤적정학건모문제，연구동보발전궤dq 축포화적궤리，채용동태포화전감표술발전궤전자장비선성적특정，건립철겁동보발전궤비선성자장포화모형，급출상태공간방정。통과철겁동보발전궤적공재실험、전차법실험화정태빈솔향응실험，측득선성상태하발전궤적전자삼수；이건립적수학모형화이측득적선성상태하적전자삼수위기출，변식비선성상태하철겁동보발전궤적전자삼수。연구결과표명소제방법능구유효변식고필자포화효응적철겁동보발전궤삼수，위정학공제제공경위가고적의거。
Aiming at precise modeling problem of salient pole synchronous generator,this paper studies mechanism of dq axis saturation of synchronous generator.By using dynamic saturation inductance,non-linear characteristic of electromagnetic field of the generator was expressed,non-linear magnetic field saturation model was established and state space equation was put forward.By no-load experiment,slip experiment and static frequency response experiment,electromagnetic parameters of the generator were measured under linear state.On the basis of established mathematical model and measured electromag-netic parameters,electromagnetic parameters of salient pole synchronous generator under non-linear state were able to be i-dentified.The study result showed that the proposed method was able to effectively identify parameters of salient pole syn-chronous generator which considered magnetic saturation effect and provide more reliable basis for precise control.