2Costa P,Martins A. Carvalho A Rotor Position Determination Model for Real - time Control of the Doubly - fed Induction Machine [ J ]. IECON ,2003 ( 3 ) :2591 - 2595.
3MULLER S, DEICKE M, De Doncker, et al. Adjustable speed gen- erators for wind turbines based on doubly-fed induction machines and quadrant IGBT converters linked to the rotor[ J]. IEEE Trans- actions on Industry Applications ,2000,30 (3) :231-241.
4PERESADA S, TILLI A, TONIELLI A. Power control of a doubly fed induction machine via output feedback [ J]. Control Engineer- ing Practice ,201M, 12 ( 1 ) :41-57.
5SH N M H, HYUN D S, CHO S B, et al. An improved stator fluxe stimationson paver electronics [J].Power Engineering Journal, 2000,15(2) :3:2-3:8.