A Robust Finite Control Set Applied to the DFIG Power Control

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Abstract
This paper proposes a robust finite control set for DFIG power control. In this way, the proposed robust finite control has two components of the predicted rotor voltage. The first term calculates the voltage considering the rotor current references and the second term is designed considering the mistakes due to parameters estimation. The mentioned errors due to parameters variations were modeled as rotor current changes. Hence, the controller calculates the predicted rotor voltage considering parameter variations and rotor current references. So that, the minimized cost function selects the voltage vector to be supplied to the rotor of the machine. The influence of the estimation errors for variations on R2 and σL2 was also investigated. The results obtained in a setup confirm the controller performance.
Funding Information
  • Fundação de Amparo à Pesquisa do Estado de São Paulo (2017/04623-3, 2013/05100-3)
  • Conselho Nacional de Desenvolvimento Científico e Tecnológico (471571/2013-0)

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