NDLI: Fuzzy-PI-based sensorless frequency and voltage controller for doubly fed induction generator connected to a DC microgrid

Content Provider	IET Digital Library
Author	Bayhan, Sertac Demirbas, Sevki Rub, Haitham Abu
Abstract	This study presents fuzzy-proportional–integral (PI)-based sensorless frequency and voltage control strategy for doubly fed induction generator connected to a dc microgrid system. A significant reduction of the costs can be achieved by this topology because only a single dc/ac converter and a diode rectiﬁer are required instead of the traditional back-to-back converter topology. To improve the performance of the rotor current controller, a fuzzy PI-based control algorithm is used. Furthermore, a simple sensorless control technique based on the detection of the stator frequency is employed to detect the rotor position. The sensorless control technique can operate without the knowledge of the machine parameters. The main aim of this study is to keep the stator frequency as well as the dc bus voltage at the desired value under different load and wind speed conditions without using position sensor. Simulation and experimental studies were performed to verify the dynamic and steady-state performances of the proposed control strategy The results show that the proposed strategy not only has an excellent steady state and dynamic performance, but also it is robust against the variation of system parameters such as wind speed and load.
Starting Page	1069
Ending Page	1077
Page Count	9
ISSN	17521416
Volume Number	10
e-ISSN	17521424
Issue Number	Issue 8, Sep (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/10/8
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2015.0504
Journal	IET Renewable Power Generation
Publisher Date	2016-04-26
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Asynchronous Generator Asynchronous Machine Control of Electric Power System Cost Reduction Current Control Dc Bus Voltage Dc Microgrid System Dc-ac Converter DC-AC Power Converter Diode Rectifier Distributed Power Generation Doubly Fed Induction Generator Dynamic Performances Electric Current Control Frequency Control Fuzzy Control Fuzzy PI-based Control Algorithm Fuzzy-PI-based Sensorless Frequency Controller Fuzzy-PI-based Sensorless Voltage Controller Fuzzy-proportional-integral-based Control Strategy Performance Improvement PI Control Position Measurement Position Sensor Power Generation Control Power Generation Economics Rectifying Circuit Rotor Current Controller Rotor Position Detection Rotors Sensor Sensorless Machine Control Stator Frequency Detection Stators Steady-state Performances Voltage Control Wind Power Plant Wind Speed Condition
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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