变速恒频双馈风力发电机组交流励磁控制系统研究.pdf

ELECTRIC DRIVE 2010 Vol.40 No . 1 电气传动 2010 年 40 卷 1 期 , , ( 华北电力大学 电力系统保护与动态安全监控教育部重点实验室, 北京 102206) : , , PWM , , , EMTDC/ PSCAD , , , , , : ; ; ; PWM ; ; : TM614 :A Study on AC- excited Control System of VSCF Doubly- fed Wind Power Generation System BAO Wei, YIN Zho g- do g, REN Zhi- hui ( K ey L a borator y of P ow er Sy stem P r otect ion and Dy namic Sec ur ity Mon itoring and Control under M inistry of Ed ucat ion N orth China E lectric P ow er Un iv ers ity B eij ing 102206 China) Abstract: The operatio pri ciple of doubly- fed VSCF wi d pow er ge eratio system w as a alyzed, it es- pecially i troduced the doubly- fed ge eratorcs AC- excited system based o a structure of dual PWM co - vert er, prese ted a vector co trol strat egy, which adopted differe t vector co trol betw ee the grid- side co - vert er a d t he rotor side co verter, i order to achieve various co trol goals. The simulatio o EM TDC/ PSCAD softw are show s that adopti g this co trol strat egy this art icle prese ted, it is able to t rack the largest w i d e ergy, achieves the decoupli g co trol of w i d power systemc s active a d reactive pow er, e sures t he stability of output pow er a d operate o high pow er factor. Key words:variable- speed co sta t- freque cy; wi d pow er ge eratio system; AC excitatio ; PWM co - vert er; vect or co trol; tracki g largest w i d pow er 1 引言 ( 20%~ 30%) , , , , [ 1~ 3] , , ( AE- ,