变速恒频双馈发电机并网控制策略  

Grid-connection control strategies for variable speed constant frequency doubly-fed generators

作　　者：梅柏杉[1,2] 汤凌峰[2] 程晓勇[1] 

机构地区：[1]上海电力学院电力与自动化工程学院,上海200090 [2]上海大学机电工程与自动化学院,上海200072

出　　处：《华东电力》2009年第11期1939-1942,共4页East China Electric Power

基　　金：上海市重点学科建设资助项目(P1301);上海市教委自然科学基金项目(07ZZ146)

摘　　要：变速恒频双馈发电机实现安全并网的关键是电机定子电压的有效控制。探讨了双馈发电机并网过程的运行原理,研究了基于定子磁链定向矢量控制的发电机并网控制策略,建立了双馈发电机并网控制的仿真模型,仿真结果表明该控制策略能够有效地控制电机定子电压与电网电压在幅值、频率及相位上的一致,验证了该方案的正确性及可行性。Effective stator voltage control is considered as the key factor for grid-connection of variable speed constant frequency doubly-fed generators.The grid-connection process of the doubly-fed generator was discussed,and the grid-connection control strategy for the generator based on stator flux oriented vector control was investigated.Based on that,the simulation model for grid-connection process of the doubly-fed generator was established.Simulation results showed that the control strategy can effectively keep the magnitude, frequency, and phase of the stator voltage in compliance with that of the grid. Its validity and feasibility were also validated.

关 键 词：变速恒频 双馈发电机 并网控制 

分 类 号：TM31[电气工程—电机]