Preprint Article Version 1 This version is not peer-reviewed

Direct Flux Control for Stand-Alone Operation Brushless Doubly Fed Induction Generator Using Resonant-Based Sliding-Mode Control Approach

Version 1 : Received: 6 February 2018 / Approved: 7 February 2018 / Online: 7 February 2018 (08:39:56 CET)

A peer-reviewed article of this Preprint also exists.

Ji, K.; Huang, S. Direct Flux Control for Stand-Alone Operation Brushless Doubly Fed Induction Generators Using a Resonant-Based Sliding-Mode Control Approach. Energies 2018, 11, 814. Ji, K.; Huang, S. Direct Flux Control for Stand-Alone Operation Brushless Doubly Fed Induction Generators Using a Resonant-Based Sliding-Mode Control Approach. Energies 2018, 11, 814.

Journal reference: Energies 2018, 11, 814
DOI: 10.3390/en11040814

Abstract

In this paper, a novel voltage control strategy of stand-alone operation brushless doubly fed induction generator for variable speed constant frequency wind energy conversion systems was presented and discussed particularly. Based on the model of the generator power system, the proposed direct flux control strategy employs a nonlinear reduced-order generalized integrator based resonant sliding-mode control scheme to directly calculate and regulated the output value of converter which control winding stator required so as to eliminate the instantaneous errors of power winding stator flux, and no involving any synchronous rotating coordinate transformations. The stability, robustness and convergence capability of the proposed control strategy were described and analyzed. Owing to no extra current control loops involved, therefore simplifying the system configuration design and enhancing the transient performance. Constant converter switching frequency was achieved by using space vector pulse width modulation, which reduce the harmonic of generator terminal voltage. In addition, experimental results prove the feasibility and validity of the proposed scheme, and excellent steady and dynamic state performance is achieved.

Subject Areas

brushless doubly fed induction generator; direct control; stand-alone; sliding-mode; resonant; reduced-order generalized integrator; variable-speed constant-frequency; wind energy conversion systems

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