Relevant bibliographies by topics / Wind energy conversion system (WECS)

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  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Wind energy conversion system (WECS)'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Wind energy conversion system (WECS)"

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Shi, Yun-Tao, Yuan Zhang, Xiang Xiang, Li Wang, Zhen-Wu Lei, and De-Hui Sun. "Stochastic Hybrid Estimator Based Fault Detection and Isolation for Wind Energy Conversion Systems with Unknown Fault Inputs." Energies 11, no. 9 (August 24, 2018): 2227. http://dx.doi.org/10.3390/en11092227.

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In recent years, the wind energy conversion system (WECS) has been becoming the vital system to acquire wind energy. However, the high failure rate of WECSs leads to expensive costs for the maintenance of WECSs. Therefore, how to detect and isolate the faults of WECSs with stochastic dynamics is the pressing issue in the literature. This paper proposes a novel comprehensive fault detection and isolation (FDI) method for WECSs. First, a stochastic model predictive control (SMPC) controller is studied to construct the closed-loop system of the WECS. This controller is based on the Markov-jump linear model, which could precisely establish the stochastic dynamics of the WECS. Meanwhile, the SMPC controller has satisfied control performance for the WECS. Second, based on the closed-loop system with SMPC, the stochastic hybrid estimator (SHE) is designed to estimate the continuous and discrete states of the WECS. Compared with the existing estimators for WECSs, the proposed estimator is more suitable for WECSs since it considers both the continuous and discrete states of WECSs. In addition, the proposed estimator is robust to the fault input. Finally, with the proposed estimator, the comprehensive FDI method is given to detect and isolate the actuators’ faults of the WECS. Both the system status and the actuators’ faults can be detected by the FDI method and it can effectively quantify the actuators’ fault by the fault residuals. The simulation results suggest that the SHE could effectively estimate the hybrid states of the WECS, and the proposed FDI method gives satisfied fault detection performance for the actuators of the WECS.
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Li, T., A. J. Feng, and L. Zhao. "Neural Network Compensation Control for Output Power Optimization of Wind Energy Conversion System Based on Data-Driven Control." Journal of Control Science and Engineering 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/736586.

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Due to the uncertainty of wind and because wind energy conversion systems (WECSs) have strong nonlinear characteristics, accurate model of the WECS is difficult to be built. To solve this problem, data-driven control technology is selected and data-driven controller for the WECS is designed based on the Markov model. The neural networks are designed to optimize the output of the system based on the data-driven control system model. In order to improve the efficiency of the neural network training, three different learning rules are compared. Analysis results and SCADA data of the wind farm are compared, and it is shown that the method effectively reduces fluctuations of the generator speed, the safety of the wind turbines can be enhanced, the accuracy of the WECS output is improved, and more wind energy is captured.
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Chang, Wen Yeau. "Wind Energy Conversion System Power Forecasting Using Radial Basis Function Neural Network." Applied Mechanics and Materials 284-287 (January 2013): 1067–71. http://dx.doi.org/10.4028/www.scientific.net/amm.284-287.1067.

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An accurate forecasting method for wind power generation of the wind energy conversion system (WECS) can help the power system’s operator to reduce the risk of unreliability of electricity supply. This paper proposed a radial basis function (RBF) neural network method to forecast the wind power generation of WECS. To demonstrate the effectiveness of the proposed method, the method is tested on the practical information of wind power generation of a WECS. The good agreements between the realistic values and forecasting values are obtained; the numerical results show that the proposed forecasting method is accurate and reliable.
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Meenakshi, Ram, and Ranganath Muthu. "An Overview of Maximum Power Point Tracking Techniques for Wind Energy Conversion Systems." Advanced Materials Research 622-623 (December 2012): 1030–34. http://dx.doi.org/10.4028/www.scientific.net/amr.622-623.1030.

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This paper presents on overview of maximum power point tracking (MPPT) techniques for different types of wind energy conversion systems (WECS). In order to obtain maximum power from the wind turbine (WT), variable speed wind energy conversion systems (VSWECSs) are preferred over constant speed wind energy conversion systems (CSWECSs).In VSWECS, the rotational speed of the turbine is varied by controlling the aerodynamic or electrical parameters of WECS to maintain a constant tip-speed ratio (TSR). This is called maximum power point tracking and different techniques are applied to WECS namely Squirrel Cage Induction Generators (SCIGs) based WECS, Permanent Magnet Synchronous Generators (PMSGs) based WECS.
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Gupta, Shailendra K., and Rakesh K. Srivastava. "A Novel Hybrid Solar-wind Energy Conversion System for Remote Area Electrification." Recent Advances in Electrical & Electronic Engineering (Formerly Recent Patents on Electrical & Electronic Engineering) 13, no. 6 (November 4, 2020): 906–17. http://dx.doi.org/10.2174/2213111607666191204151926.

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Background: Remote area electrification is a social responsibility that needs to be catered by research fraternity. One of the most viable technology as a solution is the Renewable Energy Source (RES) based power generation. However, RES is intermittent and thus, mostly ineffective without an energy storage device. Energy storage device comes at increased cost and may not be a cost-effective solution to the problem. Introduction: One solution that has been frequently proposed to reduce the intermittency of RES is hybridization. Hybridization of RES such as Wind Energy Conversion System (WECS) with Solar Energy Conversion System (SECS) is the most basic solution offered owing to their complementary nature. Therefore, this paper sees SECS in the role of supporting WECS in regions with highly intermittent wind conditions. In this paper, a novel technique of hybridization of WECS with SECS has been proposed. Methods: The basic idea of the paper is to control the dc-link voltage from the generation side by regulating the power generated by RES as per load demand using minimum components. The underlined principle is the relative lower time constant of solar panel and battery system in comparison to a wind turbine. Results: The experimental results on the proposed system shows that the SECS supports the WECS at higher wind turbulence and low wind conditions. Conclusion: This unique feature of the proposed system enables a WECS supported by a small rated SECS to attain high power reliability and thus, suitable for application such as remote area electrification.
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N., Rekha S., P. Aruna Jeyanthy, and D. Devaraj. "Relevance vector machine based fault classification in wind energy conversion system." International Journal of Electrical and Computer Engineering (IJECE) 9, no. 3 (June 1, 2019): 1506. http://dx.doi.org/10.11591/ijece.v9i3.pp1506-1513.

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<p>This Paper is an attempt to develop the multiclass classification in the Benchmark fault model applied on wind energy conversion system using the relevance vector machine (RVM). The RVM could apply a structural risk minimization by introducing a proper kernel for training and testing. The Gaussian Kernel is used for this purpose. The classification of sensor, process and actuators faults are observed and classified in the implementation. Training different fault condition and testing is carried out using the RVM implementation carried out using Matlab on the Wind Energy Conversion System (WECS). The training time becomes important while the training is carried out in a bigger WECS, and the hardware feasibility is prime while the testing is carried out on an online fault detection scenario. Matlab based implementation is carried out on the benchmark model for the fault detection in the WECS. The results are compared with the previously implemented fault detection technique and found to be performing better in terms of training time and hardware feasibility.</p>
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You, Guodong, Tao Xu, Honglin Su, Xiaoxin Hou, and Jisheng Li. "Fault-Tolerant Control for Actuator Faults of Wind Energy Conversion System." Energies 12, no. 12 (June 19, 2019): 2350. http://dx.doi.org/10.3390/en12122350.

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The problem of robust fault-tolerant control for actuators of nonlinear systems with uncertain parameters is studied in this paper. Takagi–Sugeno (T-S) fuzzy model is used to describe the wind energy conversion system (WECS). Fuzzy dedicated observer (FDO) and fuzzy proportional integral observer (FPIO) are established to reconstruct the system state and actuator fault, respectively. Fuzzy Robust Scheduling Fault-Tolerant Controller (FRSFTC) is designed by parallel distributed compensation (PDC) method, so as to realize the purpose of active fault tolerance for actuator faults and ensure the robust stability of the system. The stability of the closed-loop system is proved by Taylor series, Lyapunov function, and Linear Matrix Inequalities (LMIs). Finally, the simulation results verify that the proposed method is feasible and effective applied to WECS with doubly fed induction generators (DFIG).
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Lin, Zhicheng, Song Zheng, Zhicheng Chen, Rong Zheng, and Wang Zhang. "Application Research of the Parallel System Theory and the Data Engine Approach in Wind Energy Conversion System." Energies 12, no. 5 (March 1, 2019): 821. http://dx.doi.org/10.3390/en12050821.

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The parallel system is a kind of scientific research method based on an artificial system and computational experiments, which can not only reflect the dynamic process of the real system but also optimize its control process in real time. Given the rapid development of wind energy technology, how to shorten the development and deployment cycle and decrease the programming difficulties of wind energy conversion system (WECS) are major issues for improving the utilization of this form of energy. In this paper, the Data Engine is used as a computing environment to form a parallel WECS for studying the engineering application of WECS. With the support of the programming methods of graphical component configurations, visualization technology and dynamic reconfiguration technology, a maximum power point tracking (MPPT) computing experiment of the parallel WECS is carried out. After comparing with MATLAB simulation results, the parallel WECS is verified as having good performance. The Data Engine is an ideal computing unit for modeling and computation of the parallel system and can establish a parallel relationship between the artificial system and the real system so as to achieve the optimal control of WECS.
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Padmanathan, K., N. Kamalakannan, P. Sanjeevikumar, F. Blaabjerg, J. B. Holm-Nielsen, G. Uma, R. Arul, R. Rajesh, A. Srinivasan, and J. Baskaran. "Conceptual Framework of Antecedents to Trends on Permanent Magnet Synchronous Generators for Wind Energy Conversion Systems." Energies 12, no. 13 (July 8, 2019): 2616. http://dx.doi.org/10.3390/en12132616.

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Wind Energy Conversion System (WECS) plays an inevitable role across the world. WECS consist of many components and equipment’s such as turbines, hub assembly, yaw mechanism, electrical machines; power electronics based power conditioning units, protection devices, rotor, blades, main shaft, gear-box, mainframe, transmission systems and etc. These machinery and devices technologies have been developed on gradually and steadily. The electrical machine used to convert mechanical rotational energy into electrical energy is the core of any WECS. Many electrical machines (generator) has been used in WECS, among the generators the Permanent Magnet Synchronous Generators (PMSGs) have gained special focus, been connected with wind farms to become the most desirable due to its enhanced efficiency in power conversion from wind energy turbine. This article provides a review of literatures and highlights the updates, progresses, and revolutionary trends observed in WECS-based PMSGs. The study also compares the geared and direct-driven conversion systems. Further, the classifications of electrical machines that are utilized in WECS are also discussed. The literature review covers the analysis of design aspects by taking various topologies of PMSGs into consideration. In the final sections, the PMSGs are reviewed and compared for further investigations. This review article predominantly emphasizes the conceptual framework that shed insights on the research challenges present in conducting the proposed works such as analysis, suitability, design, and control of PMSGs for WECS.
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Wang, Xu, and Yanxia Shen. "Fault Tolerant Control of DFIG-Based Wind Energy Conversion System Using Augmented Observer." Energies 12, no. 4 (February 13, 2019): 580. http://dx.doi.org/10.3390/en12040580.

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An augmented sliding mode observer is proposed to solve the actuator fault of an uncertain wind energy conversion system (WECS), which can estimate the system state and reconstruct the actuator faults. Firstly, the mathematical model of the WECS is established, and the non-linear term in the state equation is separated as the uncertain part of the system. Then, the states of the system are augmented, and the actuator fault is considered as part of the augmented state. The augmented sliding mode observer is designed to estimate the system state and actuator fault. A robust fault-tolerant controller is designed to ensure the reliable input of the WECS, maintain the stability of the fault system and maximize the acquisition of wind energy. The numerical simulation results verify the effectiveness of the control strategy.
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Dissertations / Theses on the topic "Wind energy conversion system (WECS)"

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GuimarÃes, JÃssica Santos. "Wind energy conversion system connected to the grid." Universidade Federal do CearÃ, 2016. http://www.teses.ufc.br/tde_busca/arquivo.php?codArquivo=16813.

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Conselho Nacional de Desenvolvimento CientÃfico e TecnolÃgico
Este trabalho apresenta o desenvolvimento de um sistema de conversÃo de energia eÃlica (WECS - Wind Energy Conversion System) com gerador sÃncrono de imà permanente (PMSG - Permanent Magnet Synchronous Generator) operando com velocidade variÃvel. O circuito de processamento de energia à dividido em dois estÃgios. No estÃgio AC-DC, uma topologia boost bridgeless trifÃsica unidirecional absorve a energia fornecida pelo gerador e injeta no link DC. Neste conversor, a tÃcnica de autocontrole permite a extraÃÃo de corrente com baixa taxa de distorÃÃo harmÃnica (THD â Total Harmonic Distortion) e alto fator de potÃncia. AlÃm disso, um algoritmo de rastreamento do mÃximo ponto de potÃncia (MPPT - Maximum Power Point Tracking) determina a velocidade de rotaÃÃo do gerador que irà garantir o ponto adequado de operaÃÃo. Este modo de operaÃÃo à mantido enquanto a potÃncia disponÃvel for menor que a potÃncia nominal do conversor. Caso contrÃrio, o algoritmo de MPPT à desabilitado e uma malha de controle de potÃncia mecÃnica garante a condiÃÃo nominal de potÃncia. No estÃgio de conversÃo DC-AC, um inversor trifÃsico ponte completa, cujo controle à baseado na teoria das potÃncias instantÃneas, provà energia à rede elÃtrica cumprindo com as exigÃncias normativas. Uma anÃlise teÃrica completa à apresentada assim como os resultados de simulaÃÃo considerando o protÃtipo com a potÃncia nominal de 6 kW equivalente a turbina eÃlica utilizada. Resultados experimentais satisfatÃrios sÃo apresentados para uma potÃncia de 3 kW: o rendimento do sistema completo à superior a 90%; a corrente que circula no gerador apresenta THD de aproximadamente 2,6% e fator de potÃncia de 0,942; e a corrente injetada na rede elÃtrica possui THD de 1,639% e fator de potÃncia de 0,994.
This master thesis presents the development of a Wind Energy Conversion System (WECS) with Permanent Magnet Synchronous Generator (PMSG) operating at variable speed. The energy processing circuit is divided into two stages. In the AC-DC stage, an unidirectional three-phase bridgeless boost topology absorbs the energy supplied by the generator and injects it into the DC link. In this converter, the self-control technique allows the current extraction with low THD and high power factor. Furthermore, a - Maximum Power Point Tracking (MPPT) determines the rotational speed of the generator that will ensure the proper operating point. This mode of operation is maintained while the available power remains lower than the converter rated power. Otherwise, the MPPT algorithm is disabled and a mechanical power control loop ensures the rated power condition. On the DC-AC conversion stage, a three-phase full-bridge inverter, whose control is based on the theory of instantaneous power, provides energy to the grid complying with regulatory requirements. A complete theoretical analysis is presented as well as the simulation results considering the prototype with a rated power of 6 kW equivalent of wind turbine used. Satisfactory experimental results are shown to an output of 3 kW: the efficiency of the total system is above 90%; the current through the generator has a THD of about 2.6% with a power factor of 0.942; moreover, the current injected into the grid has a THD of about 1.639% and a power factor of 0.994.
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Dalala', Zakariya Mahmoud. "Design and Analysis of a Small-Scale Wind Energy Conversion System." Diss., Virginia Tech, 2014. http://hdl.handle.net/10919/51846.

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This dissertation aims to present detailed analysis of the small scale wind energy conversion system (WECS) design and implementation. The dissertation will focus on implementing a hardware prototype to be used for testing different control strategies applied to small scale WECSs. Novel control algorithms will be proposed to the WECS and will be verified experimentally in details. The wind turbine aerodynamics are presented and mathematical modeling is derived which is used then to build wind simulator using motor generator (MG) set. The motor is torque controlled based on the turbine mathematical model and the generator is controlled using the power electronic conversion circuits. The power converter consists of a three phase diode bridge followed by a boost converter. The small signal modeling for the motor, generator, and power converter are presented in details to help building the needed controllers. The main objectives of the small scale WECS controller are discussed. This dissertation focuses on two main regions of wind turbine operation: the maximum power point tracking (MPPT) region operation and the stall region operation. In this dissertation, the concept of MPPT is investigated, and a review of the most common MPPT algorithms is presented. The advantages and disadvantaged of each method will be clearly outlined. The practical implementation limitation will be also considered. Then, a MPPT algorithm for small scale wind energy conversion systems will be proposed to solve the common drawback of the conventional methods. The proposed algorithm uses the dc current as the perturbing variable and the dc link voltage is considered as a degree of freedom that will be utilized to enhance the performance of the proposed algorithm. The algorithm detects sudden wind speed changes indirectly through the dc link voltage slope. The voltage slope is also used to enhance the tracking speed of the algorithm and to prevent the generator from stalling under rapid wind speed slow down conditions. The proposed method uses two modes of operation: A perturb and observe (PandO) mode with adaptive step size under slow wind speed fluctuation conditions, and a prediction mode employed under fast wind speed change conditions. The dc link capacitor voltage slope reflects the acceleration information of the generator which is then used to predict the next step size and direction of the current command. The proposed algorithm shows enhanced stability and fast tracking capability under both high and low rate of change wind speed conditions and is verified using a 1.5-kW prototype hardware setup. This dissertation deals also with the WECS control design under over power and over speed conditions. The main job of the controller is to maintain MPPT while the wind speed is below rated value and to limit the electrical power and mechanical speed to be within the system ratings when the wind speed is above the rated value. The concept of stall region and stall control is introduced and a stability analysis for the overall system is derived and presented. Various stall region control techniques are investigated and a new stall controller is proposed and implemented. Two main stall control strategies are discussed in details and implemented: the constant power stall control and the constant speed stall control. The WECS is expected to work optimally under different wind speed conditions. The system should be designed to handle both MPPT control and stall region control at the same time. Thus, the control transition between the two modes of operation is of vital interest. In this dissertation, the light will be shed on the control transition optimization and stabilization between different operating modes. All controllers under different wind speed conditions and the transition controller are designed to be blind to the system parameters pre knowledge and all are mechanical sensorless, which highlight the advantage and cost effectiveness of the proposed control strategy. The proposed control method is experimentally validated using the WECS prototype developed. Finally, the proposed control strategies in different regions of operation will be successfully applied to a battery charger application, where the constraints of the wind energy battery charger control system will be analyzed and a stable and robust control law will be proposed to deal with different operating scenarios.
Ph. D.
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Mondal, Abrez. "A PMSG-Based Wind Energy Conversion System Assisted by Photovoltaic Power." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26796.

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This work discusses a hybrid power conversion scheme consisting of a permanent magnet synchronous generator (PMSG)-based wind energy system and photovoltaic panels. The two energy sources are integrated with a battery to store extra photovoltaic energy during the day and to meet any additional power requirement in the absence of sunlight. The PV panel is interfaced to the battery through a SEPIC converter for maximum power point tracking. The wind energy from the PMSG is supplied to the battery through a boost converter which regulates the output. The total power obtained from the hybrid system is fed to a three-phase load through an inverter implementing Space-vector pulse-width modulation. The controller modeled in MATLAB/Simulink software is simple and is implemented through real time simulation using dSPACE hardware.
NDSU Department of Electrical and Computer Engineering
Graduate School at North Dakota State University
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McCartney, Shauna. "The simulation and control of a grid-connected wind energy conversion system." Master's thesis, University of Central Florida, 2010. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/4680.

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With the rising cost of petroleum, concerns about exhausting the fossil fuels we depend on for energy, and the subsequent impacts that the burning of these types of fuels have on the environment, countries around the world are paying close attention to the development of renewable types of energy. Consequently, researchers have been trying to develop ways to take advantage of different types of clean and renewable energy sources. Wind energy production, in particular, has been growing at an increasingly rapid rate, and will continue to do so in the future. In fact, it has become an integral part in supplying our future energy needs, making further advancements in the field exceedingly critical. A 2 MW wind energy conversion system (WECS) is presented and has been simulated via the dynamic simulation software Simulink. This WECS consists of a 2 MW permanent magnet synchronous generator connected to the transmission grid through a power conversion scheme. The topology of this converter system consists of a passive AC/DC rectifier as well as a PWM DC/AC IGBT inverter, used to interface the DC link with the grid. The inverter has an integrated current control system for power factor correction to improve output power stability. The described WECS enhances grid-side tolerance by buffering wind power disturbances demonstrated by its capability to isolate the grid from wind speed fluctuations. It also optimizes wind energy capture through harmonic filtering, enhancing output power quality. These findings have the potential to lead to further advancements including the capability for island operation and integration to a smart grid.
ID: 029050708; System requirements: World Wide Web browser and PDF reader.; Mode of access: World Wide Web.; Thesis (M.S.E.E.)--University of Central Florida, 2010.; Includes bibliographical references (p. 66-70).
M.S.E.E.
Masters
Department of Electrical Engineering and Computer Science
Engineering and Computer Science
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Fan, Shixiong. "Current source DC/DC converter based multi-terminal DC wind energy conversion system." Thesis, University of Strathclyde, 2012. http://oleg.lib.strath.ac.uk:80/R/?func=dbin-jump-full&object_id=17007.

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Wind power energy conversion is growing rapidly in the world. There are two main wind farm types, namely ac grid-based and dc grid-based wind farms. The dc grid-based approach reduces the size and weight of the magnetic components and cables. In the dc system, the step-up dc/dc converter is the key component when interfacing the wind turbine to the ac grid, via its low/medium voltage generator. This thesis focuses on the control and design of a wind energy conversion system based on dc/dc current source converters. An optimized One-Power-Point method for maximum power tracking is proposed. It incorporates One-Power-Point control and Maximum Power Differential Voltage control to allow the wind turbine to extract more energy during rapid wind speed changes. A current output hard-switched full bridge converter and serial-parallel resonant converter with an intermediate high frequency transformer are investigated for interfacing wind turbines to a local dc grid. These converters are assessed and compared in terms of semiconductor stresses and losses. A new modified One-Power-Point control method is proposed for the dc/dc converter, which tracks the maximum power during wind speed changes. A design procedure for the serial-parallel resonant converter is presented, based on its characteristics specific to a wind energy conversion system (WECS). A current source dc/dc converter based multi-terminal dc WECS is presented, investigated, and simulated. A practical multi-terminal dc WECS verifies its feasibility and stability, using two dc current output wind turbine units. Furthermore, a coordinated de-loading control scheme for the current sourcing based WECS is proposed, to cater for ac grid demand changes. It combines pitch control, dc dumping chopper control, and dc/dc converter control, to safely and quickly establish de-loading control. Both simulation and experimental results verify the de-loading scheme.
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Kendeck, Clement Ndjewel. "Fault ride-through capability of multi-pole permanent magnet synchronous generator for wind energy conversion system." Thesis, Cape Peninsula University of Technology, 2019. http://hdl.handle.net/20.500.11838/3060.

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Thesis (MEng (Electrical Engineering))--Cape Peninsula University of Technology, 2019
Wind has become one of the renewable energy technologies with the fastest rate of growth. Consequently, global wind power generating capacity is also experiencing a tremendous increase. This tendency is expected to carry on as time goes by, with the continuously growing energy demand, the rise of fossil fuels costs combined to their scarcity, and most importantly pollution and climate change concerns. However, as the penetration level increases, instabilities in the power system are also more likely to occur, especially in the event of grid faults. It is therefore necessary that wind farms comply with grid code requirements in order to prevent power system from collapsing. One of these requirements is that wind generators should have fault ride-through (FRT) capability, that is the ability to not disconnect from the grid during a voltage dip. In other words, wind turbines must withstand grid faults up to certain levels and durations without completely cutting off their production. Moreover, a controlled amount of reactive power should be supplied to the grid in order to support voltage recovery at the connection point. Variable speed wind turbines are more prone to achieve the FRT requirement because of the type of generators they use and their advanced power electronics controllers. In this category, the permanent magnet synchronous generator (PMSG) concept seems to be standing out because of its numerous advantages amongst which its capability to meet FRT requirements compared to other topologies. In this thesis, a 9 MW grid connected wind farm model is developed with the aim to achieve FRT according to the South African grid code specifications. The wind farm consists of six 1.5 MW direct-driven multi-pole PMSGs wind turbines connected to the grid through a fully rated, two-level back-to-back voltage source converter. The model is developed using the Simpowersystem component of MATLAB/Simulink. To reach the FRT objectives, the grid side controller is designed in such a way that the system can inject reactive current to the grid to support voltage recovery in the event of a grid low voltage. Additionally, a braking resistor circuit is designed as a protection measure for the power converter, ensuring by the way a safe continuous operation during grid disturbance.
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Liang, Jiaqi. "Wind energy and power system interconnection, control, and operation for high penetration of wind power." Diss., Georgia Institute of Technology, 2012. http://hdl.handle.net/1853/47570.

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High penetration of wind energy requires innovations in different areas of power engineering. Methods for improving wind energy and power system interconnection, control, and operation are proposed in this dissertation. A feed-forward transient compensation control scheme is proposed to enhance the low-voltage ride-through capability of wind turbines equipped with doubly fed induction generators. Stator-voltage transient compensation terms are introduced to suppress rotor-current overshoots and torque ripples during grid faults. A dynamic stochastic optimal power flow control scheme is proposed to optimally reroute real-time active and reactive power flow in the presence of high variability and uncertainty. The performance of the proposed power flow control scheme is demonstrated in test power systems with large wind plants. A combined energy-and-reserve wind market scheme is proposed to reduce wind production uncertainty. Variable wind reserve products are created to absorb part of the wind production variation. These fast wind reserve products can then be used to regulate system frequency and improve system security.
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Stander, Johan Nico. "The specification of a small commercial wind energy conversion system for the South African Antarctic Research Base SANAE IV." Thesis, Stellenbosch : Stellenbosch University, 2008. http://hdl.handle.net/10019.1/1583.

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Thesis (MScEng (Mechanical and Mechatronic Engineering))--Stellenbosch University, 2008.
The sustainability and economy of the current South African National Antarctic Expedition IV (SANAE IV) base diesel-electric power system are threatened by the current high fuel prices and the environmental pollution reduction obligations. This thesis presents the potential technical, environmental and economical challenges associated with the integration of small wind energy conversion system (WECS) with the current SANAE IV diesel fuelled power system. Criteria derived from technical, environmental and economic assessments are applied in the evaluation of eight commercially available wind turbines as to determine the most technically and economically feasible candidates. Results of the coastal Dronning Maud Land and the local Vesleskarvet cold climate assessments based on long term meteorological data and field data are presented. Field experiments were performed during the 2007-2008 austral summer. These results are applied in the generation of a wind energy resource map and in the derivation of technical wind turbine evaluation criteria. The SANAE IV energy system and the electrical grid assessments performed are based on long term fuel consumption records and 2008 logged data. Assessment results led to the identification of SANAE IV specific avoidable wind turbine grid integration issues. Furthermore, electro-technical criteria derived from these results are applied in the evaluation of the eight selected wind turbines. Conceptual wind turbine integration options and operation modes are also suggested. Wind turbine micro-siting incorporating Vesleskarvet specific climatological, environmental and technical related issues are performed. Issues focusing on wind turbine visual impact, air traffic interference and the spatial Vesleskarvet wind distribution are analysed. Three potential sites suited for the deployment of a single or, in the near future, a cluster of small wind turbines are specified. Economics of the current SANAE IV power system based on the South African economy (May 2008) are analysed. The life cycle economic impact associated with the integration of a small wind turbine with the current SANAE IV power system is quantified. Results of an economic sensitivity analysis are used to predict the performance of the proposed wind-diesel power systems. All wind turbines initially considered will recover their investment costs within 20 years and will yield desirable saving as a result of diesel fuel savings, once integrated with the SANAE IV diesel fuelled power system. Finally, results of the technical and economical evaluation of the selected commercially available wind turbines indicated that the Proven 6 kWrated, Bergey 10 kWrated and Fortis 10 kWrated wind turbines are the most robust and will yield feasible savings.
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Agabus, Hannes. "Large-scale integration of wind energy into the power system considering the uncertainty information = Elektrituulikute integreerimine energiasüsteemi arvestades informatsiooni mittetäielikkust /." Tallinn : TUT Press, 2009. http://digi.lib.ttu.ee/i/?446.

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Jones, Gavin Wesley. "Distribution system operation and planning in the presence of distributed generation technology." Diss., Rolla, Mo. : University of Missouri-Rolla, 2007. http://scholarsmine.umr.edu/thesis/pdf/Jones_09007dcc803b193d.pdf.

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Abstract:
Thesis (M.S.)--University of Missouri--Rolla, 2007.
Vita. The entire thesis text is included in file. Title from title screen of thesis/dissertation PDF file (viewed November 16, 2007) Includes bibliographical references (p. 71-74).
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Books on the topic "Wind energy conversion system (WECS)"

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Meeting of Experts, Aerodynamic Calculational Methods for WECS (12th 1984 Copenhagen, Denmark). Implementing agreement for co-operation in the development of large scale wind energy conversion systems: 12th Meeting of Experts, Aerodynamic Calculational Methods for WECS, Copenhagen, October 29-30, 1984. Jülich: Zentralbibliothek der Kernforschungsanlage, 1985.

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Agabus, Hannes. Large-scale integration of wind energy into the power system considering the uncertainty information =: Elektrituulikute integreerimine energiasüsteemi arvestades informatsiooni mittetäielikkust. Tallinn: TUT Press, 2009.

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Power Business Line, Bonneville Power Administration., ed. Integrating wind energy with the BPA power system: Prelinimary study. Oak Ridge, Tenn: Eric Hirst, 2002.

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Mitchell, R. Development of an Oscillating Vane Concept As an Innovative Wind Energy Conversion System. Amer Solar Energy Society, 1985.

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E, Duffy Robert, New York State Energy Research and Development Authority., and Rensselaer Polytechnic Institute, eds. Verification analysis of the Toroidal Accelerator Rotor Platform wind energy conversion system: Summary report. Albany, N.Y: The Authority, 1988.

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Book chapters on the topic "Wind energy conversion system (WECS)"

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Abu-Siada, Ahmed, Mohammad A. S. Masoum, Yasser Alharbi, Farhad Shahnia, and A. M. Shiddiq Yunus. "Applications of Unified Power Flow Controller in Wind Energy Conversion System." In Recent Advances in Renewable Energy, 17–48. UAE: Bentham Science Publishers Ltd., 2017. http://dx.doi.org/10.2174/9781681085425117020003.

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Unified power flow controller (UPFC) is one of the Flexible ac Transmission System (FACTS) devices that possess the ability of modulating both active and reactive power at the point of common coupling in four quadrant operational modes. This chapter illustrates UPFC topology, controllers with some case studies for various applications of UPFC in the DFIG-based WECS. New applications for UPFC are proposed to improve the overall performance of a DFIG-based WECS during voltage sag and voltage swell events at the grid side.
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Mahto, Tarkeshwar, Hasmat Malik, and V. Mukherjee. "Condition Monitoring, and Fault Detection and Diagnostics of Wind Energy Conversion System (WECS)." In Advances in Intelligent Systems and Computing, 121–54. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-1532-3_5.

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Arockiaraj, S., B. V. Manikandan, and B. Sakthisudharsun. "Intensive Analysis of Sub Synchronous Resonance in a DFIG Based Wind Energy Conversion System (WECS) Connected with Smart Grid." In Communications in Computer and Information Science, 242–53. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0716-4_20.

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Shetty, Sudeep, H. L. Suresh, M. Sharanappa, and C. H. Venkat Ramesh. "Performance of Wind Energy Conversion System During Fault Condition and Power Quality Improvement of Grid-Connected WECS by FACTS (UPFC)." In Emerging Research in Computing, Information, Communication and Applications, 211–25. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-6001-5_16.

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Rat, Cezara-Liliana, Octavian Prostean, Ioan Filip, and Cristian Vasar. "Remote Wind Energy Conversion System." In Soft Computing Applications, 273–82. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-51992-6_21.

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Rajpurohit, Bharat Singh, Sri Niwas Singh, and Lingfeng Wang. "Electric Grid Connection and System Operational Aspect of Wind Power Generation." In Wind Energy Conversion Systems, 267–93. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-2201-2_12.

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Benhaïem, Pierre, and Roland Schmehl. "Airborne Wind Energy Conversion Using a Rotating Reel System." In Airborne Wind Energy, 539–77. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-10-1947-0_22.

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Muyeen, S. M., Ahmed Al-Durra, and J. Tamura. "Transmission of Bulk Power from DC-Based Offshore Wind Farm to Grid Through HVDC System." In Wind Energy Conversion Systems, 501–20. London: Springer London, 2012. http://dx.doi.org/10.1007/978-1-4471-2201-2_21.

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Fechner, Uwe, and Roland Schmehl. "Model-Based Efficiency Analysis of Wind Power Conversion by a Pumping Kite Power System." In Airborne Wind Energy, 249–69. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-39965-7_14.

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Ayenew, Endalew, Mulugeta Debebe, Beza Nekatibeb, and Venkata Lakshmi Narayana Komanapalli. "Wind Energy Conversion System Model Identification and Validation." In Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, 343–53. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-15357-1_29.

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Conference papers on the topic "Wind energy conversion system (WECS)"

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Salameh, Ziyad. "Keynote speech 2: Wind energy conversion systems (WECS)." In 2013 1st International Conference & Exhibition on the Applications of Information Technology to Renewable Energy Processes and Systems (IT-DREPS). IEEE, 2013. http://dx.doi.org/10.1109/it-dreps.2013.6588134.

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Bhutto, Darya Khan, Jamshed Ahmed Ansari, Syed Sabir Hussain Bukhari, and Faheem Akhtar Chachar. "WIND ENERGY CONVERSION SYSTEMS (WECS) GENERATORS: A REVIEW." In 2019 2nd International Conference on Computing, Mathematics and Engineering Technologies (iCoMET). IEEE, 2019. http://dx.doi.org/10.1109/icomet.2019.8673429.

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Wiik, Jan Arild, Arkadiusz Kulka, Takanori Isobe, Kazuhiro Usuki, Marta Molinas, Taku Takaku, Tore Undeland, and Ryuichi Shimada. "Loss and Rating Considerations of a Wind Energy Conversion System with Reactive Compensation by Magnetic Energy Recovery Switch (MERS)." In 2008 Wind Power to the Grid - EPE Wind Energy Chapter - 1st Seminar (EPE-WECS). IEEE, 2008. http://dx.doi.org/10.1109/epewecs.2008.4497316.

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Swamy, M. P. Shadakshara, P. Rakshith, K. S. Varchasvi, N. M. Nithyashree, and H. P. Vinay. "MPPT controlled wind energy conversion system(WECS) supplying DC micro-grid." In 2020 Third International Conference on Smart Systems and Inventive Technology (ICSSIT). IEEE, 2020. http://dx.doi.org/10.1109/icssit48917.2020.9214151.

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Ruchika, Ritika Gour, Pulkit Jain, Rashmi, Rajveer Mittal, and S. S. Deswal. "PMSG based isolated wind energy conversion system (WECS) for variable load." In 2012 IEEE 5th India International Conference on Power Electronics (IICPE). IEEE, 2012. http://dx.doi.org/10.1109/iicpe.2012.6450453.

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Benadja, Mounir, and Ambrish Chandra. "Sensorless control for wind energy conversion system (WECS) with power quality improvement." In 2014 IEEE Power & Energy Society General Meeting. IEEE, 2014. http://dx.doi.org/10.1109/pesgm.2014.6939128.

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Acharya, Sayan, Samir Hazra, Kasunaidu Vechalapu, and Subhashish Bhattacharya. "Medium voltage power conversion architecture for high power PMSG based wind energy conversion system (WECS)." In 2017 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2017. http://dx.doi.org/10.1109/ecce.2017.8096600.

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Azzouz, Maher, Abdel-latif Elshafei, and Hasan Emara. "Evaluation of fuzzy-based maximum power tracking in wind energy conversion systems (WECS)." In 2010 IEEE International Conference on Fuzzy Systems (FUZZ-IEEE). IEEE, 2010. http://dx.doi.org/10.1109/fuzzy.2010.5584571.

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Sai. P, Sri Datta, K. Vidyadhari, Harija Rani K., and Sastry V. Vedula. "Performance Analysis of Parallel-Connected Grid Independent Wind Energy Conversion Systems (WECS) with Energy Storage." In 2020 International Conference on Emerging Frontiers in Electrical and Electronic Technologies (ICEFEET). IEEE, 2020. http://dx.doi.org/10.1109/icefeet49149.2020.9186969.

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Zulqarnain, Maira, David Xu, and Bo Yuwen. "Synchronous generator based wind energy conversion system (WECS) using multi-modular converters with autonomous controllers." In Drives Conference (IEMDC). IEEE, 2011. http://dx.doi.org/10.1109/iemdc.2011.5994919.

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Reports on the topic "Wind energy conversion system (WECS)"

1

Lipo, T. A., D. Panda, and D. Zarko. Design and Test of DC Voltage Link Conversion System and Brushless Doubly-Fed Induction Generator for Variable-Speed Wind Energy Applications: August 1999--May 2003. Office of Scientific and Technical Information (OSTI), November 2005. http://dx.doi.org/10.2172/861213.

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