Capability and limitations of DFIG based wind turbines concerning negative sequence control

Author

Engelhardt, S. ; Kretschmann, J. ; Fortmann, Jens ; Shewarega, Fekadu ; Erlich, Istvan ; Neumann, Tobias

Author_Institution

Woodward Kempen GmbH, Kempen, Germany

fYear

2013

fDate

21-25 July 2013

Firstpage

1

Lastpage

5

Abstract

Modern wind turbine systems based on doubly-fed induction generator (DFIG) technology offer negative sequence control capability during grid faults or unsymmetrical system operation. This paper deals especially with the effects of current and voltage limitation of a typically rated converter system design based on positive sequence control requirements. At first a short summary of the most common alternative negative sequence control objectives is given. Then the corresponding rotor side converter (RSC) control algorithms are described. This is followed by typical characteristics of current capabilities as well as voltage constraints. Finally detailed calculations regarding control possibilities and limitations in the positive and negative sequence are shown.

Keywords

asynchronous generators; power convertors; power generation control; power generation faults; power grids; rotors; wind turbines; DFIG based wind turbines capability; DFIG based wind turbines limitations; DFIG technology; RSC control algorithms; doubly-fed induction generator; grid faults; negative sequence control; negative sequence control capability; positive sequence control; rated converter system design; rotor side converter; unsymmetrical system operation; voltage limitation; wind turbine systems; Electronic mail; Induction generators; Rotors; Stators; Torque; Voltage control; Wind turbines; DFIG; doubly-fed induction generator; negative sequence control; wind turbine;

fLanguage

English

Publisher

ieee

Conference_Titel

Power and Energy Society General Meeting (PES), 2013 IEEE

Conference_Location

Vancouver, BC

ISSN

1944-9925

Type

conf

DOI

10.1109/PESMG.2013.6672272

Filename

6672272