Low Voltage Ride-Through Capability Solutions for Permanent Magnet Synchronous Wind Generators

Victor F. Mendes, Frederico F. Matos, Silas Y. Liu, Allan F. Cupertino, Heverton A. Pereira and Clodualdo V. De Sousa
Additional contact information
Victor F. Mendes: Department of Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais 31270-010, Brazil
Frederico F. Matos: Graduate Program in Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
Silas Y. Liu: Graduate Program in Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
Allan F. Cupertino: Graduate Program in Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
Heverton A. Pereira: Graduate Program in Electrical Engineering, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil
Clodualdo V. De Sousa: Department of Electrical Engineering, Federal University of Itajubá, Itabira, Minas Gerais 35903-087, Brazil

Energies, 2016, vol. 9, issue 1, 1-19

Abstract: Due to the increasing number of wind power plants, several countries have modified their grid codes to include specific requirements for the connection of this technology to the power system. One of the requirements is the ride-through fault capability (RTFC), i.e. , the system capability to sustain operation during voltage sags. In this sense, the present paper intends to investigate the behavior of a full-converter wind generator with a permanent magnet synchronous machine during symmetrical and asymmetrical voltage sags. Two solutions to improve the low voltage ride-through capability (LVRT) of this technology are analyzed: discharging resistors (brake chopper) and resonant controllers (RCs). The design and limitations of these solutions and the others proposed in the literature are discussed. Experimental results in a 34 kW test bench, which represents a scaled prototype of a real 2 MW wind conversion system, are presented.

Keywords: permanent magnet synchronous generator (PMSG); low voltage ride-through capability (LVRT); voltage sags; wind conversion systems (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: 2016
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (6)

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