An Improved Control Scheme for a Standalone DFIG with Unbalanced and Nonlinear Loads using Proportional-Resonant Controllers
This paper proposes an improved control scheme to regulate the stator voltage in a standalone doubly fed induction generator (DFIG) under nonlinear and unbalanced loads. The proposed control scheme uses proportional resonant controllers in the 2-phase stationary frame of reference with a zero sequence controller to compensate the voltage distortion under unbalanced loads. It is demonstrated that the proposed control scheme achieves better performance over existing control methods. The total harmonic distortion (THD) of the stator voltage is significantly improved over conventional control methods. Simulation results presented show the effectiveness of the scheme.
S. Mukherjee et al., "An Improved Control Scheme for a Standalone DFIG with Unbalanced and Nonlinear Loads using Proportional-Resonant Controllers," Proceedings of the 48th North American Power Symposium (2016, Denver, CO), pp. 1-6, Institute of Electrical and Electronics Engineers (IEEE), Sep 2016.
The definitive version is available at http://dx.doi.org/10.1109/NAPS.2016.7747992
48th North American Power Symposium (2016: Sep. 18-20, Denver, CO)
Electrical and Computer Engineering
Keywords and Phrases
Asynchronous Generators; Controllers; Electric Fault Currents; Resonance; Stators; Doubly Fed Induction Generator (DFIG); Doubly Fed Induction Generators; Improved Control Scheme; Inverter Control; Proportional Resonant Controllers; Resonant Controller; Total Harmonic Distortion (THD); Zero Sequences; Electric Machine Systems; Four Legged Inverter Control; Resonant Controllers; Zero Sequence Control; Doubly fed Induction Generator
International Standard Book Number (ISBN)
Article - Conference proceedings
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