同时带交流和整流负载的三相同步发电机系统的等效电路模型

同时带交流和整流负载的三相同步发电机系统是一个非线性系统 ,为了对此进行解析分析 ,将其中的三相同步发电机的d、q轴变量分解为低频分量和高频分量分别加以处理 ,忽略转子回路对高频电流的电阻和阻尼绕组对低频分量的作用 ,在d、q轴超瞬变电抗近似相等的条件下 ,分别建立了该系统的从整流负载侧和交流负载侧观察的等效电路模型。给出了模型中等效发电机的Park方程、稳态运行矢量图及相应稳态量的计算方法。该模型可用于系统稳态和似稳态过程的分析计算

Equivalent Circuit Model of 3-Phase Synchronous Generator with Simultaneous AC and Rectified DC Load

phase synchronous generator system with simultaneous AC and rectified DC load (SGSAD) is a nonlinear system,In order to do analytic study of the system,the d and q axis variables of 3 phase synchronous generator are resolved into low frequency and high frequency components,which can be treated separately.The effects of the resistances of rotor circuits on high frequency currents and the damper winding on low frequency components can be negligible.Considering that the d axis sub transient reactance is approximately equal to q axis sub transient reactance,two equivalent circuit models of 3 phase synchronous generator,which are observed from AC load and rectified DC load respectively,are developed.The Park's equations,phasor diagram and the method of performance calculation for steady state operation of the equivalent generator in two models are presented.The models can be used for steady state and quasi steady state analysis of the system.