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Showing 1-25 of 5,712 resultsfor "Index Terms":Doubly fed induction generator (DFIG)
"Index Terms":Doubly fed induction generator (DFIG)
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A Modified PUTT Scheme for Transmission Lines Connecting DFIG-Based Wind Farm
2021 IEEE Power & Energy Society General Meeting (PESGM)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
With the large integration of wind turbine generators (WTGs) in the power grid, the protection of the transmission lines connecting to the WTGs has become a great concern. Doubly fed induction generators (DFIGs) are among the most widely installed WTGs, but the frequency deviation of the fault current measured at the wind farm side relays due to the short circuit behavior of DFIGs with...Show More
A Method to Analyze the Transient Angle Stability of OMIB System with DFIG-Based Wind Farm
2019 6th International Conference on Electrical and Electronics Engineering (ICEEE)
Year: 2019 | Conference Paper |
Cited by: Papers (1)
The increasing amount of the integration of doubly-fed induction generator (DFIG) will bring about some adverse effects on the transient stability, or even threaten the reliability and the safety of the whole power grid. By analyzing the equivalent external characteristic of DFIG, it can be regarded as constant negative resistance and time-varying negative impedance during steady perio...Show More
Small-Signal Stability Analysis of Weak-Grid-Connected DFIG-based WT during Asymmetric Faults
2021 International Conference on Power System Technology (POWERCON)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
This study develops small-signal model for doubly fed induction generator (DFIG)-based wind turbine (WT) system connected to asymmetrical-faulted weak-grid. Based on the established model, the DFIG-based WT system’s small-signal stability at the fault steady-state of weak-connection asymmetrical faults is investigated by modal analysis approach. The study shows that the DFIG-base...Show More
A Combined SSR Damping Strategy Based on Virtual Resistance Method and SSR Damping Controller in DFIG-Based Wind Farm
Kang Wu;Yongqing Meng;Xixi Pan;Yichao Zou;Rong Ye;Jingwei Xue
2019 IEEE 8th International Conference on Advanced Power System Automation and Protection (APAP)
Year: 2019 | Conference Paper |
Cited by: Papers (3)
Due to the special structure of doubly-fed induction generator (DFIG) whose stator connects to the grid directly, Subsynchronous resonance (SSR) is more likely to appear in DFIG-based wind farm connected with series compensated networks. This paper proposes a combined SSR damping strategy based on virtual resistance method and SSR damping controller (SSRDC). The virtual resistance meth...Show More
Adaptive Model Predictive Control of DFIG-based Wind Farm: A Model-Free Control Approach
Zahra Rafiee;Rasool Heydari;Mansour Rafiee;Mohammad Reza Aghamohammadi;Jose Rodriguez;Frede Blaabjerg
2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL)
Year: 2020 | Conference Paper |
Cited by: Papers (5)
In this paper a new control strategy of doubly-fed induction generator based wind farms (DFIG-based WFs) is proposed. Since DFIG has an inherent nonlinear behaviour along with condition variant parameters, the system model cannot easily be extracted. Therefore, the conventional model predictive control (MPC) of DFIG-based WFs cannot perform accurately. In this paper a novel model...Show More
Active Power Control of Hybrid-HVDC Line Connected to Offshore DFIG-based Wind Farm During Mainland Grid Voltage Fluctuations
2023 IEEE IAS Global Conference on Renewable Energy and Hydrogen Technologies (GlobConHT)
Year: 2023 | Conference Paper |
Cited by: Papers (1)
This paper proposes a simple and effective power control technique for a Hybrid-HVDC line connected to an offshore DFIG wind farm feeding a weak onshore grid. The sending end rectifier station of the HVDC line uses a Line Commutated Converter (LCC) and a Voltage Source Inverter (VSI) at the receiving end. The generated real power by the wind farm is regulated by the LCC and transmitted to th...Show More
A Fuzzy Control Strategy for Grid Connected DFIG System Based on Dissipated Energy Coefficient
2020 IEEE 4th Conference on Energy Internet and Energy System Integration (EI2)
Year: 2020 | Conference Paper |
Considering the low frequency oscillation of grid connected doubly-fed induction generator (DFIG) system, a damping characteristic analysis method is proposed by dissipated energy coefficient (DEC). Based on energy function method, DEC shows the relationship between the dissipation of oscillating energy and system damping. Furthermore, it can be applied to analyze damping characteristic of m...Show More
Integration of DFIG-Based Variable Speed Wind Turbine into Load Flow Analysis
2021 International Seminar on Intelligent Technology and Its Applications (ISITIA)
Year: 2021 | Conference Paper |
Cited by: Papers (4)
This paper proposes a method to model and integrate DFIG (Doubly-Fed Induction Generator)-based WPP (Wind Power Plant) into DSLF (Distribution System Load Flow) analysis. In the present work, the proposed model is developed using the formulas that calculate the stator current and rotor power of the DFIG. Modeling of the DFIG power electronic converter, which is usually quite comp...Show More
LVRT Capability Improvement of DFIG-Based Wind Turbines With a Modified Bridge-Resistive-Type SFCL
Kai-Jian Du;Xi-Ping Ma;Zi-Xuan Zheng;Chang-Song Li;Wen-Xi Hu;Kai-Song Dong
The doubly fed induction generator (DFIG) has been required to operate continuously when confronted with faults. For improving its fault ride through capability (FRT), a novel modified bridge-resistive-type superconducting fault current limiter (MBR-SFCL) is put forward in this paper. Compared with the conventional SFCL, the steady-state operating loss is reduced, and the resistance value ca...Show More
Dynamic Stability Analysis of the Weak Grid-Connected DFIG-based Wind Turbines under Severe Symmetrical Faults
Ruikuo Liu;Jun Yao;Jinxin Pei;Xuewei Wang;Peng Sun;Xiaolong Guo
2018 International Conference on Power System Technology (POWERCON)
Year: 2018 | Conference Paper |
Cited by: Papers (3)
In this paper, the small signal state space model of the DFIG system taking into account the phase-locked loop (PLL) under the weak grid fault is established. Based on the small signal model, the dynamic behavior of the DFIG-based wind turbines during LVRT is investigated. Moreover, the impacts of voltage dips degree, operating conditions, bandwidth of the PLL and control parameters of...Show More
Cooperative Rotor-Side SMES and Transient Control for Improving the LVRT Capability of Grid-Connected DFIG-Based Wind Farm
This paper presents a novel scheme to enhance low voltage ride through (LVRT) capacity of a 5 × 1.5 MW doubly-fed-induction-generator-based (DFIG-based) wind farm. One superconducting magnetic energy storage (SMES) unit is introduced to connect in parallel with the rotor side of each DFIG. Two LVRT strategies of inductance emulating control and transient voltage control are used in the...Show More
Virtual Synchronous Control Using SOGI for Standalone DFIG-Based Wind Turbines with Unbalanced and Nonlinear Loads
2018 21st International Conference on Electrical Machines and Systems (ICEMS)
Year: 2018 | Conference Paper |
Cited by: Papers (4)
This paper proposes a virtual synchronous control (VSynC) strategy of a stand-alone doubly-fed induction generator (DFIG)-based wind turbine with unbalanced and nonlinear loads. By adopting the proposed VSynC strategy, the stand-alone DFIG is enabled to have an inertial response, which is similar to synchronous machines. Moreover, an integration of second-order generalized integrator (...Show More
Fuzzy Rotor Side Control of a DFIG-Based Wind Turbine
Mohammed Elkacem Djeridane;Raihane Mechgoug;Riadh Ajgou;Ali Chemsa
2018 International Conference on Communications and Electrical Engineering (ICCEE)
Year: 2018 | Conference Paper |
Cited by: Papers (3)
Wind energy represents the most promising source of green energy, many research projects are conducted for a better exploitation of this energy. Doubly Fed Induction Generator (DFIG) is widely used in the wind power extraction systems thanks to its high efficiency. But, the employment of complex electronics makes the control of a DFIG challenging due to its nonlinearity. To resolve thi...Show More
Mechanism Analysis of the Required Rotor Current and Voltage for DFIG-Based WTs to Ride-Through Severe Symmetrical Grid Faults
Doubly-fed induction generator (DFIG)-based wind turbines is prone to suffering from overcurrent during severe grid faults, due to the high electromotive force. To overcome this problem, various fault ride-through (FRT) control strategies are proposed, but they do not theoretically elaborate how to coordinate the rotor current and voltage to ride-through severe grid faults under the limited ...Show More
Model Predictive Control of a DFIG-Based Wind Turbine Using Three-Level NPC Converter
2021 IEEE International Conference on Predictive Control of Electrical Drives and Power Electronics (PRECEDE)
Year: 2021 | Conference Paper |
Cited by: Papers (1)
The three-level NPC converters applied in wind power is increasing, but the traditional control strategy of doubly-fed induction generator (DFIG) cannot balance the midpoint voltage well, and the modulation algorithm is more complicated. This paper establishes the mathematical models of DFIG and NPC converters, and uses the characteristics of model predictive control multi-objective op...Show More
STATCOM-Based SSCI Mitigation Algorithm for DFIG-Based Wind Farms
Yuzhi Wang;Chunhua Wang;Zhijun Liu;Xiaozhe Song;Liang Wang;Qirong Jiang
2018 IEEE International Power Electronics and Application Conference and Exposition (PEAC)
Year: 2018 | Conference Paper |
Cited by: Papers (2)
Subsynchronous control interactions (SSCIs) between DFIG-based wind farms and series compensated transmission system have been observed worldwide in recent years, which may lead to generator trip-off and device damage. Many previous studies focus on the suppression of SSCI by flexible AC Transmission System (FACTS) devices. This paper proposes a new static synchronous compensator (STATCOM)-b...Show More
Calculation method of short-circuit currents in DFIG-based wind farms considering voltage distribution
2018 International Conference on Power System Technology (POWERCON)
Year: 2018 | Conference Paper |
When the short circuit occurs in a wind farm, the generator terminal voltage drops of doubly fed induction generators are different and have a great impact on the short-circuit currents contribution of the doubly fed induction generators. Firstly, a practical calculation model for the short-circuit currents and a correction method of the topology matrix of the wind farm under a symmetrical short c...Show More
Sliding mode control of a Marine Current Turbine driven DFIG-DC conversion system
2021 IEEE 2nd International Conference on Signal, Control and Communication (SCC)
Year: 2021 | Conference Paper |
Cited by: Papers (2)
This paper presents a marine current turbine (MCT) system based on a Doubly Fed Induction Generator (DFIG) connected to DC-bus. Field Oriented Control (FOC) is the control strategy chosen for the DFIG-DC energy conversion system. In this topology, a diode rectifier is used to connect the stator of the DFIG and the DC-bus, while the rotor is connected to the DC-bus through a PMW i...Show More
Analysis of subsynchronous oscillation characteristics and its dominant factors in the DFIG-based wind farm with fixed series compensation
Guoliang Zhao;Hongyang Yu;Kun Zhang;Zongye Liu;Xiaohan Zhang;Lin Yang
2017 2nd International Conference on Power and Renewable Energy (ICPRE)
Year: 2017 | Conference Paper |
Cited by: Papers (1)
Aiming at subsynchronous oscillation (SSO) in doubly fed induction generator (DFIG) based wind farm with fixed series compensation (FSC), this paper analyze its characteristics based on eigenvalue analysis. Analysis results indicate that this kind of SSO is the electrical interaction related to the generator, converter and FSC, and its basic characteristics are similar with induction generat...Show More
Integrated Model of DFIG and SFR for Frequency Regulation Control Research of Wind Turbine Generator
Xiaojun Huang;Yuqing Jin;Peng Yan;Junchao Ma;Chenxu Wang;Ping Ju
2021 International Conference on Power System Technology (POWERCON)
Year: 2021 | Conference Paper |
Cited by: Papers (6)
In the power system, wind power generation plays a significant role. Research on the frequency regulation capability of wind turbines is very important. MATLAB is a commonly used simulation platform for control method research, however, the simulation speed of a large-scale power system containing wind power generation is quite slow. To improve the research efficiency as much as possible while mee...Show More
Implementation of PLL algorithm in DFIG based wind turbine connected to utility grid
Subinay Vajpayee;Nihar Ranjan Panda;Prasanajit Behera;Sarat Chandra Swain
2020 Second International Conference on Inventive Research in Computing Applications (ICIRCA)
Year: 2020 | Conference Paper |
Cited by: Papers (4)
In this paper, the application of phase-locked loop (PLL) a control strategy implemented in a doubly fed induction generator (DFIG) to improve the control due to unbalance grid voltage in real-time grid synchronization. A traditional PLL based on dq conversion & also the impact of unbalanced voltage shown in this paper. All the simulations done in PSCAD software. The positive sequence compon...Show More
Power System Oscillation Damping Capability of Doubly Fed Induction Generator (DFIG)
2018 IEEE/PES Transmission and Distribution Conference and Exposition (T&D)
Year: 2018 | Conference Paper |
Cited by: Papers (3)
The increasing amount of wind power generation essentially replaces the conventional synchronous generators of the power system, thereby, reducing the total inertia of the system. Reduced inertia of the system is expected to hamper the system response during contingencies. It is clear that small signal as well as transient rotor angle stability is be affected by the changing dynamics of the power ...Show More
Enhancing Frequency Regulation in DFIG-Based Wind Turbines with FO-VSG
2024 IEEE Power & Energy Society General Meeting (PESGM)
Year: 2024 | Conference Paper |
The paper presents a fractional-order virtual synchronous generator (FO-VSG) control for a doubly fed induction generator (DFIG) based wind turbine (WT) connected with the grid. The proposed control provides frequency regulation under transient conditions. The FO-VSG control paradigm is realized by implementing a non-integer differential swing equation. The swing equation facilitates frequen...Show More
Power control of a variable speed DFIG based wind turbine using two fuzzy logic controllers
2022 International Conference on Intelligent Controller and Computing for Smart Power (ICICCSP)
Year: 2022 | Conference Paper |
Cited by: Papers (1)
Speed of wind is stochastic in nature due to evolution of earth and un-even distribution of sun ray on the surface of earth. So also wind power from wind turbine, because wind power is cubically proportional to the wind speed. This paper focuses on the design and implementation of two fuzzy logic controllers for a variable speed doubly fed induction generator (DFIG) based wind turbine with a...Show More
Mitigation of IGE using STATCOM with DFIGs
2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)
Year: 2018 | Conference Paper |
Cited by: Papers (4)
This paper presents application of STATCOM for damping of low frequency oscillations produced due to induction generation effect (IGE) type sub-synchronous resonance (SSR) in doubly-fed induction generator (DFIG)-based wind farms. In this study DFIG-based wind farm is connected to infinite bus through series-compensated transmission line. Transmission line parameters are derived from I...Show More
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