An Improved Low-Voltage Ride-Through Control Strategy of Doubly Fed Induction Generator During Grid Faults

Hu, Sheng; Lin, Xinchun; Kang, Yong; Zou, Xudong

doi:10.1109/tpel.2011.2161776

Cited by 245 publications

(119 citation statements)

References 32 publications

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“…In an approach similar to the series grid side passive impedance networks, a virtual resistance is introduced in the equivalent rotor circuit using a LVRT controller to decrease rotor fault currents and its decay time while a virtual inductance increases the leakage inductance of the rotor circuit with similar results. Torque oscillations are also reduced in both approaches [71,72].…”

Section: (F) Superconducting Magnetic Energy Storage (Smes)mentioning

confidence: 93%

A Concise Presentation of Doubly Fed Induction Generator Wind Energy Conversion Systems Challenges and Solutions

Mwaniki

Hui

Dai

2017

Journal of Engineering

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There is increased worldwide wind power generation, a large percentage of which is grid connected. The doubly fed induction generator (DFIG) wind energy conversion system (WECS) has many merits and, as a result, large numbers have been installed to date. The DFIG WECS operation, under both steady state and fault conditions, is of great interest since it impacts on grid performance. This review paper presents a condensed look at the various applied solutions to the challenges of the DFIG WECS including maximum power point tracking, common mode voltages, subsynchronous resonance, losses, modulation, power quality, and faults both internal and from the grid. It also looks at approaches used to meet the increasingly stringent grid codes requirements for the DFIG WECS to not only ride through faults but also provide voltage support. These are aspects of the DFIG WECS that are critical for system operators and prospective investors and can also serve as an introduction for new entrants into this area of study.

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Section: (F) Superconducting Magnetic Energy Storage (Smes)mentioning

confidence: 93%

A Concise Presentation of Doubly Fed Induction Generator Wind Energy Conversion Systems Challenges and Solutions

Mwaniki

Hui

Dai

2017

Journal of Engineering

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“…The doubly fed induction generator (DFIG) shown in Figure 1 is the most used in generating wind power exceeding 1 MW, thanks to these advantages: operation with variable speeds, decoupled control of active and reactive power, reliability and robustness. In addition the power converters which manages only the slip energy can be sized between 25% -30% of the nominal power of the DFIG [1], [2].…”

Section: Introductionmentioning

confidence: 99%

“…Increasing numbers of wind farms and their penetration in power systems have led researchers to focus on studies of grid electrical which contain wind power plants and the establishment of grid codes for wind connections to the grid electrical [1], [2]. The DFIG is facing two major problems; first the stator of the DFIG is directly connected to the grid; this makes the DFIG very sensitive to the grid disturbances.…”

Section: Introductionmentioning

confidence: 99%

Control of Battery Energy Storage System for Wind Turbine based on DFIG during Symmetrical Grid Fault

Riouch¹,

Bachtiri²,

Alamery³

et al. 2024

RE&PQJ

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Abstract. This paper presents a specific control strategy of Doubly Fed Induction Generator (DFIG) conceived for a wind turbine system operating under electrical grid disturbance. Two mains aspects related to DFIG behavior are studied: fluctuation of its output power and Low-Voltage Ride Trough capability (LVRT) of wind turbine generator system. In order to smooth the output power injected in the electrical grid and to improve dynamic behavior of a variable speed wind turbine generator system under symmetrical voltage dip, a control strategy of the Battery Energy Storage System (BESS) is proposed. Simulations have been carried out in Matlab environment, and the results validate the effectiveness of our control.

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“…These devices are extremely effective in regulating the magnitude of voltage, current or frequency according to the application wise requirements [10]. Solid State Transformer functionalities protects the load from power supply disturbances, Voltage Harmonics and sag compensations Outage compensation, Protects power systems from the load disturbances, Load transients and harmonic regulations, Unity input power factor under reactive load, Sinusoidal input current for nonlinear loads, Protection against output short circuit, Operates on distributed voltage level, Integrates energy storage, Medium frequency isolation [11]. As seen in Fig.…”

Section: Introductionmentioning

confidence: 99%

Solid State Transformer in Wind Energy Conversion System with Hybrid Renewable Energy System

Immanuel¹

2017

IJRASET

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Wind power is presently one of the most rapidly increasing renewable energy sources. As a result of the wind power being an uncontrollable resource, various problems regarding power quality and protection issues generate. The solid-state transformer (SST) has been found to be useful in integration of different distributed energy sources as well as wind power in the distribution grid with multiple functionalities. A wind-solar hybrid system using solid state transformer (SST) for reactive power compensation to achieve power quality as per IEC standards. The proposed hybrid system using SST can effectively suppress the voltage fluctuation. This work proposes a new modelling approach of a combined Photovoltaic and Wind power system. This paper proposes a configuration that combines the doubly fed induction generator (DFIG) based wind turbine and SST operation in the presence of MATLAB/SIMULINK Software. KeyWords: Doubly Fed Induction Generator, Fault Ride Through, Hybrid Renewable Energy System, PV System, Solid State Transformer, Wind Energy. I. INTRODUCTIONWith the random increment of power demand, the amount of renewable energy integration into the conventional grid is increasing day by day. The interest in renewable sources of energy has increase, considerably. They represent a potential solution to mitigate environmental issues and reduce the dependence on traditional sources of energy for electrical generation [1][2][3][4]. The need of technology for adapting these non-traditional types of energy into the system has motivated the development of new generation power electronics converters. The future homes will make use of power converters to integrate all the available sources of electrical energy, including renewables as wind turbine (WT) and PV. Photovoltaic's (PV)is a method of generating electrical power by converting solar radiation into direct current electricity using semiconductors that exhibit the photovoltaic effect. Photovoltaic power generation employs solar panels composed of a number of solar cells containing a photovoltaic material. Photovoltaic are best known as a method for generating electric power by using solar cells to convert energy from the sun into a flow of electrons [5]. Wind Energy Conversion Systems (WECS) constitute a mainstream power technology that is largely under exploited. The main differences in WECS technology are in electrical design and control [6]. At present, typically two types of WECS for large wind turbines exists. The first one is a variable speed WECS that allows variable speed operation over a large, but still restricted, range. This type of WECS mainly uses a Doubly Fed Induction Generator (DFIG) with the stator windings connected directly to the three phase constant -frequency grid and the rotor windings connected to a partial scale back to back converter. A multi stage gear box is necessary in this drive [7][8][9]. This type of WECS offer high controllability, smoother grid connection, maximum power extraction and reactive power compensation using bac...

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An Improved Low-Voltage Ride-Through Control Strategy of Doubly Fed Induction Generator During Grid Faults

Cited by 245 publications

References 32 publications

A Concise Presentation of Doubly Fed Induction Generator Wind Energy Conversion Systems Challenges and Solutions

A Concise Presentation of Doubly Fed Induction Generator Wind Energy Conversion Systems Challenges and Solutions

Control of Battery Energy Storage System for Wind Turbine based on DFIG during Symmetrical Grid Fault

Solid State Transformer in Wind Energy Conversion System with Hybrid Renewable Energy System

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