NDLI: Sensorless model predictive control scheme of wind-driven doubly fed induction generator in dc microgrid

Content Provider	IET Digital Library
Author	Bayhan, Sertac Rub, Haitham Abu Ellabban, Omar
Abstract	This study presents a novel sensorless model predictive control (MPC) strategy of a wind-driven doubly fed induction generator (DFIG) connected to a dc microgrid. In this configuration, the stator is directly connected to the dc microgrid through a diode rectifier, and the rotor is fed by only a voltage source converter (VSC). This connection structure brings considerable benefits such as simple control scheme and reduced power converter cost. In order to obtain sensorless operation, a simple and effective sensorless position detection technique has been proposed. It is based on the detection of the stator frequency, and it is designed to operate without any machine parameters. Thus, the proposed sensorless method offers as a model-free solution. In addition, the MPC strategy has been used as a current controller to overcome the weaknesses of the inner control loop and to consider the discrete-time operation of the VSC. The proposed control system is robust against machine parameters, speed, and load variations. To verify the dynamic and steady-state performances of the proposed sensorless MPC scheme under various speed and load conditions, experimental studies are performed with 6.4 kW DFIG. Experimental results aim to show that the proposed sensorless MPC strategy works properly at steady state and in transient.
Starting Page	514
Ending Page	521
Page Count	8
ISSN	17521416
Volume Number	10
e-ISSN	17521424
Issue Number	Issue 4, Apr (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/10/4
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2015.0347
Journal	IET Renewable Power Generation
Publisher Date	2016-04-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Asynchronous Generator Asynchronous Machine Control of Electric Power System Current Control Current Controller DC Microgrid DFIG Diode Rectifier Discrete Control System Discrete Time System Discrete-time Operation Distributed Power Generation Electric Current Control Inner Control Loop Model-free Solution MPC Strategy Optimal Control Power 6.4 KW Power Converter Power Generation Control Predictive Control Rectifier Rotors Sensorless Machine Control Sensorless Model Predictive Control Scheme Sensorless Position Detection Technique Stator Frequency Detection Stators Voltage Source Converter VSC Wind-driven Doubly Fed Induction Generator
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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