歐洲風(fēng)能技術(shù)論文122_eweca_non-linear_control_algorithm_for_improving_performance_of_wind_generator_us-資料下載頁
2025-01-19 08:51本頁面
【正文】 v wiN u vwujre J32rairbi 32si asi ?Nje J,39。s d q s qi yS w i t c hddeebb1 / c1 / csdusqu39。sdy39。sqy1u++++rdurdu2uA nonlinear control algorithm for improving performance of wind generator using doublyfed induction generator Page 22 Circuit diagram with Plecs TmA S MV d c2VCVvabvbcua ub ucC o n v e r tVu g r i d _ u v w 4VuVvVwv o l t a g e d i p3R e c P u l s e4I n v P u l s e5i s _ u v w5AAAu s _ u v w 6Vvabvbcua ub ucC o n v e r t 1VS y n c h6mL7R C h a r g e2AAAI t _ u v w 3S t a r t1AAi r _ k l m1Amp a r a m e t e r7A nonlinear control algorithm for improving performance of wind generator using doublyfed induction generator Page 23 Performance of linearized model and current controller www123dtdtdt輊犏犏犏= 犏犏犏犏臌242。242。242。y0 . 2 0 . 3 0 . 4 0 . 5 0 . 6 0 . 7 0 . 8 0 . 9 1 5 0 00500100015002022250030003500T i m e [ s ]Ird Irq w1 w2i r di r qw1w2Performance of w1, y1 (ird) and w2, y2 (irq) ird irq w1 w2 123wywwdtdtdt????????????????Performance of current controller 1 . 1 1 . 1 5 1 . 2 1 . 2 5 1 . 3 1 . 3 5 1 . 4 6 0 5 0 4 0 3 0 2 0 1 0010203040T i m e [ s ]Rotor current [A]i r di r qi r q *i r d *ird* amp。 ird irq* amp。 irq 1 / sPi r d * , i r q *i r d , i r qA nonlinear control algorithm for improving performance of wind generator using doublyfed induction generator Page 24 Simulation: Grid voltage and electrical torque 3 . 2 3 . 4 3 . 6 3 . 8 4 4 . 2 4 . 4 3 0 0 0 2 5 0 0 2 0 0 0 1 5 0 0 1 0 0 0 5 0 005001000T i m e [ s ]Stator voltage [V] Electrical Torque [Nm]Grid voltage ~50% ~75% 100% Torque – Linear Control Torque – Nonlinear Control A nonlinear control algorithm for improving performance of wind generator using doublyfed induction generator Page 25 Simulation: Active and reactive power 3 . 2 3 . 4 3 . 6 3 . 8 4 4 . 2 4 . 410123456x 1 05T i m e [ s ]Active [W] and reactive power [VAR]P – Linear Control P – Nonlinear Control Q – Linear Control Q – Nonlinear Control A nonlinear control algorithm for improving performance of wind generator using doublyfed induction generator Page 26 Simulation: Rotor current 3 . 2 3 . 4 3 . 6 3 . 8 4 4 . 2 4 . 4 4 0 0 2 0 00200400600800T i m e [ s ]Rotor current [A]ird – Linear Control ird – Nonlinear Control irq – Linear Control irq – Nonlinear Control A nonlinear control algorithm for improving performance of wind generator using doublyfed induction generator Page 27 Conclusion and perspectives ? Control system of DFIM with exactlinearization: practical and easy to implement. ? The simulation with Matlab/Simulink/Plesc shows good results, the plete control system is being verified on experiment rig ? Performance of system is improved with the static ?directdecoupling ‘ current controller ? Advanced methods can be used in design process of controllers A nonlinear control algorithm for improving performance of wind generator using doublyfed induction generator Page 28 Thank you for your attention !
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