Grid Synchronization of a Seven-Phase Wind Electric Generator Using d-q PLL

Kalaivani Chandramohan, Sanjeevikumar Padmanaban, Rajambal Kalyanasundaram, Mahajan Sagar Bhaskar and Lucian Mihet-Popa
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Kalaivani Chandramohan: Department of Electrical and Electronics Engineering, Pondicherry Engineering College, Kalapet, Puducherry 605014, India
Sanjeevikumar Padmanaban: Department of Electrical and Electronics Engineering, University of Johannesburg, Auckland Park 2006, South Africa
Rajambal Kalyanasundaram: Department of Electrical and Electronics Engineering, Pondicherry Engineering College, Kalapet, Puducherry 605014, India
Mahajan Sagar Bhaskar: Department of Electrical and Electronics Engineering, University of Johannesburg, Auckland Park 2006, South Africa
Lucian Mihet-Popa: Faculty of Engineering, Østfold University College, Kobberslagerstredet 5, 1671 Kråkeroy-Fredrikstad, Norway

Energies, 2017, vol. 10, issue 7, 1-20

Abstract: The evolving multiphase induction generators (MPIGs) with more than three phases are receiving prominence in high power generation systems. This paper aims at the development of a comprehensive model of the wind turbine driven seven-phase induction generator (7PIG) along with the necessary power electronic converters and the controller for grid interface. The dynamic model of the system is developed in MATLAB/Simulink (R2015b, The MathWorks, Inc., Natick, MA, USA). A synchronous reference frame phase-locked loop (SRFPLL) system is incorporated for grid synchronization. The modeling aspects are detailed and the system response is observed for various wind velocities. The effectiveness of the seven phase induction generator is demonstrated with the fault tolerant capability and high output power with reduced phase current when compared to the conventional 3-phase wind generation scheme. The response of the PLL is analysed and the results are presented.

Keywords: multi-phase induction machine; synchronous reference frame; induction generator; PWM inverter; seven phase rectifier; PLL; grid. (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2017
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (9)

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