3/12相双绕组交直流发电机的电路模型

根据3/12相双绕组发电机整流绕组之间以及整流绕组各绕组与交流绕组之间互感的真实情况,利用两套绕组之间的耦合关系式,将整流绕组的量折算到交流绕组。建立了该型电机的DQ轴磁链方程、电压方程及等效电路;在此基础上应用MATLAB/SIMULINK的仿真环境建立了该型电机的通用仿真电路模型。该模型可以更方便地研究双绕组交直流发电机的各项性能,特别适用于研究解析分析难以进行的各项性能。通过实机试验检验了所建电路模型的准确性。

Circuit Models of 3/12-Phase Double-Winding AC-DC Generators

Based on the real conditions of mutual inductances between various rectifying windings and between AC winding and each rectifying winding , by applying the coupling relations of the two windings, and reducing the quantities of rectifying windings to the 3-phase AC winding, the d-q-axis flux-linkage and voltage equations of a 3/12-phase double winding AC-DC generator are acquired, then its d-q-axis equivalent circuits are derived . Furthermore, the universal simulation circuit model is presented in MATLAB/SIMULINK, which can be used expediently to study the various performances of a 3/12-phase double winding AC-DC generator, especially to those that are difficult to study by analytical analysis. The simulated and measured results agree quite well, showing the validity of the universal simulation circuit model developed.