Abstract

The non-adaptive speed and position estimation of a doubly-fed induction generator (DFIG) is presented in this paper. The speed observer is based on the mathematical model of DFIG and to stabilize the structure the Lyapunov method is used. The classic stator field-oriented control to active and reactive power control is used in the sensorless control system. The performance of the proposed algorithm of a speed observer is validated by simulation and experimental results using the 2 kW generator. The stability analysis of the presented solution is confirmed by using the Lyapunov method and practical stability theorems.

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