A direct power control for DFIG under a three phase symmetrical voltage sag condition |
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| Affiliation: | 1. Universidade Federal do ABC, Santo André, SP – UFABC, Brazil;2. Universidade de São Paulo, São Paulo, SP – USP, Brazil;3. Instituto Federal de Educação, Ciência e Tecnologia de São Paulo, São Paulo – IFSP - Hortolândia, SP, Brazil;1. Laboratory of Fuel Cell, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Zhongshan Road 457, Dalian 116023, People''s Republic of China;2. Dongguan University of Technology, School of Environment and Architecture, People''s Republic of China;1. Visedo Ltd, Lentokentäntie 44, 53600 Lappeenranta, Finland;2. Department of Electrical Engineering, Lappeenranta University of Technology, Skinnarilankatu 34, 53850 Lappeenranta, Finland;3. ABB, P.O.Box 187, 00381 Helsinki, Finland;1. University of São Paulo, São Paulo, Brazil;2. University of Chile, Santiago, Chile;3. Universidade Federal do ABC, Brazil;1. Tampere University of Technology, Automation and Hydraulic Engineering, P.O. BOX 692, 33101 Tampere, Finland;2. Helen Ltd, 00090 Helen, Finland |
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| Abstract: | In this paper, a novel direct power control algorithm for a Doubly Fed Induction Generator-based wind system, robust to the machine parameters variations, is projected. The proposed scheme employs two loops designed using the discretized equations of the generator to obtain a high performance of the controller. Also, the rotor voltage vector is computed by the proposed strategy in order to guarantee the DFIG operation even during a symmetrical voltage sag on the power grid. The influence of the estimation errors for these parameters was also researched. The results obtained by computer simulations and by experimental setup corroborate the proposed controller performance. |
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| Keywords: | Direct power control Deadbeat controller Doubly-Fed induction generator Voltage sag Wind energy |
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