基于补偿跃变量算法的发电机同步模型

从Ｐａｒｋ方程出发，计及定子绕组暂态、凸极效应以及转子动态特性，运用机电量类比和综合友模的方法，将同步发电机的电磁暂态、机械暂态和接口方程统一，建立了可与系统同步计算的统一友模，从而在避免预测校正、简化机网接口的同时，大大提高了仿真的精度。文中还利用频谱分析的方法，对同步机跃变量模型的误差进行了修正，使修正后的友模不仅避免了数值振荡，而且尽可能地提高了精度。所了的发电机同步友模适用于复杂系统的同步

A MODEL OF SYNCHRONOUS GENERATORS BASED ON COMPENSATION METHOD OF SPECTRAL JUMP QUANTITY

Based on the Park equation,considering the salient- pole reaction,stator coil transient and rotor coil mechanical characteristics,this paper uses the method of analogy and synthetic companion model,integrates the electromagnetic transient,m echanical transient and port equation of synchronous generators,and establishes a united synthetic com panion model of synchronous generators to realize the synchronous calculation with the power system s.Using the method,without pre- correction,the simulating accuracy is greatly im proved and the interface between generator and system is sim plified. Through the spectral analysis,the error of jum p model of synchronous generators is modified.The m odified model can not only avoid the oscillation of numerical calculation but also im prove the sim ulating accuracy as m uch as possible.The m odel discussed in this paper is suitable to the whole simulating process of synchronous generators in complicated power system .