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Dissertations / Theses on the topic 'Doubly fed induction generetor'

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Published: 3 June 2025

Last updated: 31 July 2025

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1

Ferreira, Antonio Carlos. "Analysis of brushless doubly-fed induction machines." Thesis, University of Cambridge, 1997. https://www.repository.cam.ac.uk/handle/1810/251608.

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2

Boger, Michael Stephen. "Aspects of brushless doubly-fed induction machines." Thesis, University of Cambridge, 1997. https://www.repository.cam.ac.uk/handle/1810/251627.

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This dissertation, composed of two parts, studies the brushless doubly-fed induction machine (BDFM)- an electric machine with two stator windings, a modified cage-rotor, and, when run synchronously, the electrical properties of a synchronous machine, i.e. precise speed and power-factor control. The first part of this dissertation is dedicated to the development of a two axis (dq) model to aid in design of the BDMF. It improves on the properties of similar models by allowing for the determination of the individual rotor-bar currents and the components of electromagnetic torque produced by each

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3

Shao, Shiyi. "Control of brushless doubly-fed (induction) machines." Thesis, University of Cambridge, 2010. https://www.repository.cam.ac.uk/handle/1810/252200.

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4

Bradshaw, Jonathan Bernard. "Bit-stream control of doubly fed induction generators." Thesis, University of Auckland, 2012. http://hdl.handle.net/2292/14694.

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In recent years rising energy costs and concerns about global climate change have led to the widespread development of renewable electricity generation technology, especially wind generation. The Doubly Fed Induction Generator (DFIG) is commonly used for wind generation applications as it allows for efficient operation of the wind turbine by varying the speed of the generator without resorting to the use of large power converters. A typical DFIG system employs a wound rotor induction generator, with a stator that is directly connected to an external AC grid. The rotor winding is connecte

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5

Hashemi, Ahmad <1984&gt. "Doubly-Fed Induction Machines: Model, Control and Applications." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amsdottorato.unibo.it/8485/1/Thesis-Hashemi.pdf.

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Renewable energy resources far outweigh fossil fuels in several terms of benefits, i.e. environmentally friendly, and economically. Wind Energy Conversion Systems are the fastest grown units among renewables within recent years. Due to large penetration of wind units in nowadays power systems, some specific regulations have been issued through modern national grid codes to manage their technical commitments. Low Voltage Ride Through (LVRT), as one of the most important requirements, asks wind units to ride through some predefined grid low voltage conditions in terms of amplitude reduction an

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6

Chen, Wenjun. "Comparison of doubly-fed induction generator and brushless doubly-fed reluctance generator for wind energy applications." Thesis, University of Newcastle upon Tyne, 2014. http://hdl.handle.net/10443/2595.

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The Doubly-fed Induction Generator (DFIG) is the dominant technology for variable-speed wind power generation due in part to its cost-effective partially-rated power converter. However, the maintenance requirements and potential failure of brushes and slip rings is a significant disadvantage of DFIG. This has led to increased interest in brushless doubly-fed generators. In this thesis a Brushless Doubly-Fed Reluctance Generator (BDFRG) is compared with DFIG from a control performance point of view. To compare the performance of the two generators a flexible 7.5kW test facility has been constru

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7

Wang, Xiaoyan. "Characterization and design of Brushless Doubly-Fed (induction) Machines." Thesis, University of Cambridge, 2008. https://www.repository.cam.ac.uk/handle/1810/252073.

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8

Abdi-Jalebi, Ehsan. "Modelling and instrumentation of Brushless Doubly-Fed (induction) Machines." Thesis, University of Cambridge, 2007. https://www.repository.cam.ac.uk/handle/1810/252033.

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9

Oraee, Ashknaz. "Optimal design of the brushless doubly-fed induction generator." Thesis, University of Cambridge, 2016. https://www.repository.cam.ac.uk/handle/1810/283976.

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10

Massey, Jason G. "Doubly fed induction machine control for wind energy conversion." Thesis, Monterey, Calif. : Naval Postgraduate School, 2009. http://handle.dtic.mil/100.2/ADA501680.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, June 2009.<br>Thesis Advisor(s): Julian, Alexander L. "June 2009." Description based on title screen as viewed on July 10, 2009. DTIC Identifiers: Wind energy conversion system, DFIG (Double Fed Induction Generator), VSI (Voltage Source Inverter), SVM (Space Vector Modulation), wind turbine, FPGA (Field Programmable Gate Array). Author(s) subject terms: Double Fed Induction Generator (DFIG), Voltage Source Inverter (VSI), Space Vector Modulation (SVM), Wind Turbine, Field Programmable Gate Array (FPGA), Wind Energy Conversion

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11

Galvez, Carrillo Manuel Ricardo. "Sensor fault diagnosis for wind-driven doubly-fed induction generators." Doctoral thesis, Universite Libre de Bruxelles, 2011. http://hdl.handle.net/2013/ULB-DIPOT:oai:dipot.ulb.ac.be:2013/209982.

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Among the renewable energies, wind energy presents the highest growth in installed capacity and penetration in modern power systems. This is why reliability of wind turbines becomes an important topic in research and industry. To this end, condition monitoring (or health monitoring) systems are needed for wind turbines. The core of any condition monitoring system (CMS) are fault diagnosis algorithms whose task is to provide early warnings upon the occurrence of incipient (small magnitude) faults. Thanks to the use of CMS we can avoid premature breakdowns and reduce significatively maintenance

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12

Li, Jialin. "Modal Analysis of Power Systems with Doubly Fed Induction Generators." Thesis, KTH, Elektriska energisystem, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-119573.

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To ensure the reliable operation of the power system, stability analysis considering the interaction between wind power and power system must be understood. In this thesis, the impact of wind power on the stability of Nordic32A power system is of interest. Many wind farms nowadays employ doubly fed induction generator (DFIG) variable speed wind turbines. In this thesis, a third order DFIG model and its control circuits are employed. The particle swarm optimization algorithm is developed to tune the power system stabilizer, which can greatly increase the computational efficiency and improve the

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13

Zhang, Yongzheng. "Doubly-fed induction machine for variable speed energy conversion applications." Thesis, McGill University, 2013. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=114286.

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After decades of development, the wind energy industry is now supplying 10 to 20% of power in electric utilities. At present Doubly-Fed Induction Generators (DFIG) are one of the most widely used generators in wind farms. The research of this thesis advances the methods of controlling DFIGs by presenting: (i)a non-mechanical (sensorless) method of determining accurate rotor speed and rotor position which are essential in implementing decoupled P-Q control; (ii)a method of autonomous frequency control whereby an islanded wind farm does not have to shut down but continues to operate as standby

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14

Djurovich, Sinisha. "Analysis of doubly-fed induction generator under electrical fault conditions." Thesis, University of Manchester, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.556617.

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This thesis investigates the effects of winding faults on the doubly fed induction generator (DFIG) operation. A DFIG is a wound rotor induction machine that is most commonly used in present day wind power applications. In combination with a back-toback converter in the rotor circuit the DFIG is capable of generating power at constant frequency while operating at variable speed. The aim of the research in this thesis is to develop analytical and experimental tools that would enable the work on establishing of DFIG condition monitoring techniques. DFIG winding faults are examined using the mach

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15

Lei, Ting. "Doubly-fed induction generator wind turbine modelling, control and reliability." Thesis, University of Manchester, 2014. https://www.research.manchester.ac.uk/portal/en/theses/doublyfed-induction-generator-wind-turbine-modelling-control-and-reliability(2ceb051a-a6fb-43e6-be40-a5023dae4bea).html.

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The trend of future wind farms moving further offshore requires much higher reliability for each wind turbine in order to reduce maintenance cost. The drive-train system and power electronic converter system have been identified as critical sub-assemblies that are subject to higher failure rates than the other sub-assemblies in a wind turbine. Modern condition monitoring techniques may help schedule the maintenance and reduce downtime. However, when it comes to offshore wind turbines, it is more crucial to reduce the failure rates (or reduce the stresses) for the wind turbines during operation

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16

Hamon, Camille. "Doubly-fed Induction Generator Modeling and Control in DigSilent Power Factory." Thesis, KTH, Elektriska energisystem, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-119575.

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International agreements have set high demands on the share of renewable energy in the total energy mix. From the different renewable sources, significant investments are made in wind power. More and more wind turbines are being built and their number is due to rise dramatically. There are many different generator technologies, but this paper focuses on the doubly-fed induction generator (DFIG). DFIGs are generators which are connected to the grid on both stator and rotor sides. The machine is controlled via converters connected between the rotor and the grid. The size of these converters dete

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17

Hu, Zhouxing. "Development of laboratory doubly fed induction generator for wind energy research." Thesis, Wichita State University, 2010. http://hdl.handle.net/10057/3310.

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This thesis studies the basic concept of doubly-fed induction generators (DFIG) and develops a laboratory model to simulate DFIG wind turbine generators (WTG). “Doubly-fed” refers to the three-phase stator and rotor windings, both of which have electric power exchange with the ac power system. Different from synchronous generators installed in coal, oil, gas, hydro, and nuclear power plants, asynchronous DFIG generators are widely used for wind energy conversion because of the diversity of wind power. Through the control of back-to-back PWM converters connected between the DFIG rotor and power

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18

Pannell, Graham Steven. "Grid fault ride through for wind turbine doubly-fed induction generators." Thesis, University of Newcastle Upon Tyne, 2008. http://hdl.handle.net/10443/651.

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Wind farms must contribute to the stability and reliability of the transmission grid, if they are to form a robust component of the electrical network. This includes providing grid support during grid faults, or voltage dips. Transmission system grid codes require wind farms to remain connected during specified voltage dips, and to supply active and reactive power into the network. Doubly-fed induction generator (DFIG) technology is presently dominant in the growing global market for wind power generation, due to the combination of variable-speed operation and a cost-effective partially-rated

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19

Chondrogiannis, Stamatios. "Technical aspects of offshore wind farms employing doubly-fed induction generators." Thesis, University of Manchester, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.488027.

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20

Zhi, Dawei. "Model based doubly fed induction generators cotrol for wind energy generation." Thesis, University of Strathclyde, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.510726.

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21

Hopfensperger, Bernhard. "Field oriented control of single and cascaded doubly-fed induction machines." Thesis, University of Newcastle Upon Tyne, 1998. http://hdl.handle.net/10443/514.

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A single doubly-fed induction machine (SDFM) is a wound rotor induction machine with the stator connected to a supply network and the rotor fed by a bi-directional converter. A cascaded doubly-fed induction machine (CDFM) is a. connection of two wound rotor induction machines with the rotors connected electrically and mechanically thus avoiding brushes. One stator is connected to the supply network and the other is fed by a bidirectional converter. Both schemes, the SDFM and the CDFM, have in common that the VA-rating of the power converter is reduced compared to a singly-fed system. This thes

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22

Zelaya, de la Parra H. "Microprocessor-controlled cycloconverter for excitation of a doubly-fed induction generator." Thesis, University of Bradford, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.376697.

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23

Edwards, Gregory W. "Wind turbine power generation emulation via doubly fed induction generator control." Thesis, Monterey, California : Naval Postgraduate School, 2009. http://edocs.nps.edu/npspubs/scholarly/theses/2009/Dec/09Dec%5FEdwards.pdf.

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Thesis (M.S. in Electrical Engineering)--Naval Postgraduate School, December 2009.<br>Thesis Advisor(s): Julian, Alexander L. Second Reader: Cristi, Roberto. "December 2009." Description based on title screen as viewed on January 28, 2010. Author(s) subject terms: Double Fed Induction Generator (DFIG), Space Vector Modulation (SVM), wind turbine, Field Programmable Gate Array (FPGA), bi-directional power flow. Includes bibliographical references (p. 75). Also available in print.

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24

Subramanian, Chandrasekaran <1983&gt. "Grid Connected Doubly Fed Induction Generator Based Wind Turbine under LVRT." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6243/1/Grid_Connected_Doubly_Fed_Induction_Generator_Based_Wind_Turbine_under_LVRT.pdf.

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This project concentrates on the Low Voltage Ride Through (LVRT) capability of Doubly Fed Induction Generator (DFIG) wind turbine. The main attention in the project is, therefore, drawn to the control of the DFIG wind turbine and of its power converter and to the ability to protect itself without disconnection during grid faults. It provides also an overview on the interaction between variable speed DFIG wind turbines and the power system subjected to disturbances, such as short circuit faults. The dynamic model of DFIG wind turbine includes models for both mechanical components as well as for

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25

Subramanian, Chandrasekaran <1983&gt. "Grid Connected Doubly Fed Induction Generator Based Wind Turbine under LVRT." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6243/.

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This project concentrates on the Low Voltage Ride Through (LVRT) capability of Doubly Fed Induction Generator (DFIG) wind turbine. The main attention in the project is, therefore, drawn to the control of the DFIG wind turbine and of its power converter and to the ability to protect itself without disconnection during grid faults. It provides also an overview on the interaction between variable speed DFIG wind turbines and the power system subjected to disturbances, such as short circuit faults. The dynamic model of DFIG wind turbine includes models for both mechanical components as well as for

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26

Broekhof, Alexander. "Controlling the brushless doubly-fed induction generator (BDFIG) in wind turbine applications." Thesis, University of Cambridge, 2014. https://www.repository.cam.ac.uk/handle/1810/283961.

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27

Wyllie, Peter Bruce. "Electrothermal modelling for doubly fed induction generator converter reliability in wind power." Thesis, Durham University, 2014. http://etheses.dur.ac.uk/10902/.

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Increased reliance upon renewable energy sources, chiefly wind, places a growing emphasis on the reliability of the technology used in Wind Turbines. The current Wind Turbine fleet is dominated by the Doubly Fed Induction Machine WT, which utilises a partially rated power electronic converter to vary the speed of the rotor and thus ensure the maximum energy capture available from the wind. This converter is associated with a significant percentage of WT failures. This thesis examines the low frequency temperature cycling occurring in one half of the back to back converter which results in a hi

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28

Long, Teng. "Grid integration study of brushless doubly-fed induction generators for wind turbines." Thesis, University of Cambridge, 2014. https://www.repository.cam.ac.uk/handle/1810/283939.

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29

Ahmed, Eshita. "Hybrid Renewable Energy System Using Doubly-Fed Induction Generator and Multilevel Inverter." Thesis, North Dakota State University, 2012. https://hdl.handle.net/10365/26501.

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The proposed hybrid system generates AC power by combining solar and wind energy converted by a doubly-fed induction generator (DFIG). The DFIG, driven by a wind turbine, needs rotor excitation so the stator can supply a load or the grid. In a variable-speed wind energy system, the stator voltage and its frequency vary with wind speed, and in order to keep them constant, variable-voltage and variable-frequency rotor excitation is to be provided. A power conversion unit supplies the rotor, drawing power either from AC mains or from a PV panel depending on their availability. It consists of a mu

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30

Wang, Lei. "Advanced control of doubly-fed induction generator based variable speed wind turbine." Thesis, University of Liverpool, 2012. http://livrepository.liverpool.ac.uk/10575/.

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This thesis deals with the modeling, control and analysis of doubly fed induction generators (DFIG) based wind turbines (DFIG-WT). The DFIG-WT is one of the mostly employed wind power generation systems (WPGS), due to its merits including variable speed operation for achieving the maximum power conversion, smaller capacity requirement for power electronic devices, and full controllability of active and reactive powers of the DFIG. The dynamic modeling of DFIG-WT has been carried out at first in Chapter 2, with the conventional vector control (VC) strategies for both rotor-side and grid-side co

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31

Rabelo, Balduino. "Optimal reactive power sharing with the doubly fed induction generators in wind turbines." Aachen Shaker, 2009. http://d-nb.info/1000544036/04.

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32

Van, Binh Nguyen [Verfasser]. "Control of synchronized doubly-fed induction generator under grid conditions / Nguyen Van Binh." Aachen : Shaker, 2015. http://d-nb.info/1080762493/34.

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33

Aravinthan, Abhiramy. "Linear quadratic regulator design for doubly fed induction generator using singular perturbation techniques." Thesis, Wichita State University, 2012. http://hdl.handle.net/10057/5523.

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Doubly fed induction generators (DFIG) are widely used in wind power generation because of their ability to be operated at varying rotational speeds while producing power output at a constant frequency. Electrical dynamics of a DFIG is modeled using field oriented control and represented as fourth order system. This fourth order dynamics exposes a two-time scale behavior. Using singular perturbation techniques the time scales can be separated as slow and fast subsystems. Feedback control schemes can be designed and the closed-loop stability of each model can be compared. In this work, a linear

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34

Abbey, Chad. "A doubly-fed induction generator and energy storage system for wind power applications /." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=81522.

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Wind generation has become the most important alternate energy source and has experienced increased growth in Europe during the past decade while more recently, the same trends have been exhibited in North America. Although it has great potential as an alternative to less environmentally friendly energy sources, there are various technical challenges that cause wind to be regarded negatively by many utilities. Others are hesitant to accept its widespread implementation, particularly when the penetration of wind in a given area is high.<br>This work presents the addition of an energy stor

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35

Sam, Mahmodicherati. "Direct Power Control of a Doubly Fed Induction Generator in Wind Power Systems." University of Akron / OhioLINK, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=akron1470315542.

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36

Ozakturk, Meliksah. "Power electronic systems design co-ordination for doubly-fed induction generator wind turbines." Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/power-electronic-systems-design-coordination-for-doublyfed-induction-generator-wind-turbines(ebe4de00-07ad-4b06-8b8d-79be291804e7).html.

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Wind turbine modelling using doubly-fed induction generators is a well-known subject. However, studies have tended to focus on optimising the components of the system rather than considering the interaction between the components. This research examines the interaction of the control methods for a doubly-fed induction generator (DFIG) in a wind turbine application integrating them with the crowbar protection control and DC-link brake control to make the best use of the converter. The controls of the rotor-side and the grid-side converters of the DFIG model are both well established and have be

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37

Mazari, Shukul. "Control design and analysis of doubly-fed induction generator in wind power application." Thesis, [Tuscaloosa, Ala. : University of Alabama Libraries], 2009. http://purl.lib.ua.edu/2183.

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38

Fabbri, Gabriele. "Control of Five Phase Doubly Fed Induction Machines for Motion and Contactless Power Transmission." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/14233/.

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In questa tesi si mostra come un motore a induzione di tipo doubly fed (DFIM) possa assolvere contemporaneamente le funzioni di motore e di trasmissione di potenza In particolare questa peculiarità è particolarmente utile laddove sia necessario alimentare dei dispositivi elettrici a bordo di una macchina automatica a giostra, normalmente alimentati tramite contatti striscianti: da quest’ultimi infatti spesso derivano innumerevoli problematiche di usura e sicurezza. In particolare, in questa tesi verrà trattato un azionamento pentafase: tale scelta è stata dettata dalla possibilità di disacco

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39

Orfanos-Pepainas, Stamatios. "Adaptive control and parameter identification of a doubly-fed induction generator for wind power." Thesis, Monterey, California. Naval Postgraduate School, 2011. http://hdl.handle.net/10945/5510.

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Approved for public release; distribution is unlimited.<br>The use of Doubly-Fed Induction Generators (DFIG) for wind energy conversion is addressed in this thesis. It is well known that when the stator is connected to the electric grid, the rotor voltage can control both mechanical torque and reactive electric power. To guarantee efficient wind energy conversion, it is important to research and design more advanced control schemes. In this thesis, we first review the basic theory behind DFIGs and Adaptive Control. Next we design an adaptive controller for a wind turbine using a DFIG and

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40

Pena, Guinez Ruben S. "Vector control strategies for a doubly-fed induction generator driven by a wind turbine." Thesis, University of Nottingham, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318644.

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Bensadeq, Asim. "Design and control of the Brushless Doubly Fed Twin Induction Generator (BDFTIG) using dSPACE." Thesis, University of Leicester, 2012. http://hdl.handle.net/2381/32875.

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The aim of this research is to present indirect vector control (IVC) for a Brushless Doubly Fed Twin Induction Generator (BDFTIG) for wind energy conversion. The system is anticipated as an advanced solution to the conventional doubly fed induction generator (DFIG) to decrease the maintenance cost and increase the system reliability of the wind turbine system. The proposed BDFTIG employs two cascaded induction machine sets, which consists of two wound rotor induction machines with their rotors connected in cascade to eliminate the brushes and copper rings in the DFIG. This new machine would id

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42

Shi, Kai. "Advanced control of doubly-fed induction generator based wind turbines for dynamic performance improvement." Thesis, University of Liverpool, 2017. http://livrepository.liverpool.ac.uk/3018211/.

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43

Inoa, Ernesto. "A New High-Frequency Injection Method for Sensorless Control of Doubly-Fed Induction Machines." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1338345508.

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Mei, Francoise. "Small-Signal Modelling and Analysis of Doubly-Fed Induction Generators in Wind Power Applications." Thesis, Imperial College London, 2008. http://hdl.handle.net/10044/1/4249.

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The worldwide demand for more diverse and greener energy supply has had a significant impact on the development of wind energy in the last decades. From 2 GW in 1990, the global installed capacity has now reached about 100 GW and is estimated to grow to 1000 GW by 2025. As wind power penetration increases, it is important to investigate its effect on the power system. Among the various technologies available for wind energy conversion, the doubly-fed induction generator (DFIG) is one of the preferred solutions because it offers the advantages of reduced mechanical stress and optimised power ca

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45

Vu, Hoang Giang. "Estimation and diagnostic of doubly-fed asynchronous wind generator." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10151.

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Dans ce mémoire de thèse nous présentons une méthodologie pour le diagnostic et la surveillance en ligne des éoliennes de l'état de l'ensemble machine électrique onduleur à partir de la mesure du champ magnétique continu. Ce travail est scindé en deux parties complémentaires. Dans la première partie, nous donnons quelques contributions concernant l'estimation de l'état et des paramètres pour certaines classes de systèmes non linéaires. Ces mêmes estimateurs ont été validés en simulation et sur un banc d'essai. La deuxième partie porte sur la mise en œuvre et la conception de deux bancs d'essai

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46

Dòria, Cerezo Arnau. "Modeling, Simulation and Control of Doubly-Fed Induction Machine Controlled by Back-to-Back converter." Doctoral thesis, Universitat Politècnica de Catalunya, 2006. http://hdl.handle.net/10803/5945.

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Aquesta Tesi estudia el control d'un sistema complex, un sistema d'emmagatzement d'energia cinètica, incloent les seves especificacions de control, modelat, disseny de controladors, simulacions, muntatge i validació experimental.<br/><br/>Primerament, s'estudia l'interconnexió i control dels sistemes electromecànics. Es presenta el formalisme Hamiltonià (PCHS) en general, i després particularitzant en els sistemes electromecànics, inclòs els sistemes d'estructura variable (VSS).<br/><br/>L'IDA-PBC (Interconnection and damping assignment-passivity based control) és una tècnica de control basat

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47

Roberts, Paul Christopher. "A study of brushless doubly-fed (induction) machines : contributions in machine analysis, design and control." Thesis, University of Cambridge, 2005. https://www.repository.cam.ac.uk/handle/1810/251955.

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48

Braconnier, Benjamin. "Dynamic phasor modeling of doubly-fed induction machines including saturation effects of main flux linkage." Thesis, University of British Columbia, 2012. http://hdl.handle.net/2429/43458.

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Power system simulation has become an integral part of power system planning, design and study today. Due to the vast array of power system disturbances that occur and the speed of their respective dynamics, simulation tools have traditionally been split into two types; Transient Stability type programs (TSP) and Electromagnetic Transient type programs (EMTP). Several papers have been written and solutions have been proposed to come up with a solution that would combine these two different types of programs into one simulation tool that can be used to simulate both the slow electromechanical t

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49

Rabelo, Balduino [Verfasser]. "Optimal Reactive Power Sharing with the Doubly-Fed Induction Generators in Wind Turbines / Balduino Rabelo." Aachen : Shaker, 2010. http://d-nb.info/1124365680/34.

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Malik, Naveed ur Rehman. "Modelling, Analysis, and Control Aspects of a Rotating Power Electronic Brushless Doubly-Fed Induction Generator." Doctoral thesis, KTH, Elektrisk energiomvandling, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-174349.

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Abstract:

This thesis deals with the modeling, analysis and control of a novel brushlessgenerator for wind power application. The generator is named as rotatingpower electronic brushless doubly-fed induction machine/generator (RPEBDFIM/G). A great advantage of the RPE-BDFIG is that the slip power recoveryis realized in a brushless manner. This is achieved by introducing an additionalmachine termed as exciter together with the rotating power electronicconverters, which are mounted on the shaft of a DFIG. It is shown that theexciter recovers the slip power in a mechanical manner, and delivers it backto th

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