A DFIG sensorless method for direct estimation of slip position

Marques, G.D.; Sousa, Duarte M.

doi:10.1109/sibircon.2010.5555011

Cited by 4 publications

(2 citation statements)

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“…So far, the methods presented in the literature [7]- [10], [14]- [16] use the cross product of an estimated rotor current and a measured rotor current; thus…”

Section: Implementation Of the Hysteresis Controllermentioning

confidence: 99%

“…In a previous conference paper [16], an early version of the proposed control algorithm was discussed and in part experimentally tested. This paper presents the method, its stability and sensibility analyses, simulation, and experimental results and shows that it is appropriate for DFIG control to allow decoupling of stator active and reactive powers.…”

Section: Introductionmentioning

confidence: 99%

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Air-Gap-Power-Vector-Based Sensorless Method for DFIG Control Without Flux Estimator

Marques

Sousa

2011

IEEE Trans. Ind. Electron.

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A sensorless method for the direct estimation of the slip position of the wound-rotor induction machine is introduced, discussed, and experimentally validated in this paper. The slip position is necessary for the implementation of control by flux orientation. The method proposed is based on the phase comparison of an estimated air-gap power vector and the measured rotor currents in a common reference frame. The proposed method can be implemented in the rotor or in the field reference frames with a hysteresis or proportional-integral controller. The method is sensitive to the stator no-load active and reactive powers, but this dependence is not very important. Simulation and experimental results show that the method is appropriate for the vector control of the doubly fed induction machine. Unlike other methods, this method gives acceptable results when the load is small. In addition, it does not need a flux estimator for the implementation of flux orientation.

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“…So far, the methods presented in the literature [7]- [10], [14]- [16] use the cross product of an estimated rotor current and a measured rotor current; thus…”

Section: Implementation Of the Hysteresis Controllermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%