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Journal articles on the topic 'WOUND ROTOR INDUCTION GENERATOR'

Author: Grafiati

Published: 4 June 2021

Last updated: 17 February 2022

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1

Al-Rawashdeh, A. Y. "Investigation of an Induction Wound Rotor Motor to Work as a Synchronous Generator." Engineering, Technology & Applied Science Research 9, no. 2 (April 10, 2019): 4071–74. http://dx.doi.org/10.48084/etasr.2606.

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This paper aims at investigating the use of an induction wound rotor motor to generate voltage instead of the old diesel engines that are still used in many factories, like old cement factories, in Jordan. In this investigation, a simulation model of induction wound rotor motor was implemented using Matlab/Simulink. The excitation dc current was connected to a two-phase rotor circuit, and the voltage-current performance characteristics were investigated and evaluated under different load types. The simulation results confirmed the possibility of using the induction wound rotor motor as a synchronous generator.

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2

Mourad, Selmi, and Rehaoulia Habib. "Steady State Analysis Operation of Self-Excited Wound Rotor Induction Generator Under Constant Frequency and Tolerated Output Voltage." Journal of Circuits, Systems and Computers 25, no. 06 (March 31, 2016): 1650060. http://dx.doi.org/10.1142/s0218126616500602.

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Self-excited induction generators (SEIG) are found to be most suitable candidate for wind energy conversion application required at remote windy locations. The major drawbacks of these generators are the poor voltage and frequency control under load and prime mover speed perturbations. In this paper, an attempt has been made to optimize the control strategy under various load and prime mover conditions, of the self-excited wound rotor induction generator (SEWRIG). By tolerating a slight deviation of the output voltage and ensuring a constant frequency with an adequate external rotor resistance, only four values of excitation capacitor are required for the whole range of operation. The effectiveness of the adopted strategy has been confirmed by comparing on a 0.8-[Formula: see text]kW wound rotor induction generator the simulated results to the corresponding obtained with an experimental test. A close agreement between the computed and experimental results confirms the efficiency of the adopted method.

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3

Mostafa, A. S., A. L. Mohamadein, and E. M. Rashad. "Analysis of series-connected wound-rotor self-excited induction generator." IEE Proceedings B Electric Power Applications 140, no. 5 (1993): 329. http://dx.doi.org/10.1049/ip-b.1993.0041.

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4

Dalabeeh, Ali, Al-Mofleh Anwar, Tariq M. Younes, Ayman Al-Rawashdeh, and Ayman Hindi. "Increasing the required slip range of wound induction generator in wind power systems." Bulletin of Electrical Engineering and Informatics 9, no. 2 (April 1, 2020): 436–42. http://dx.doi.org/10.11591/eei.v9i2.1795.

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Eddy currents losses in the rotor in high power generators do not allow operators, under high values of slip, to regulate voltage and control of reactive power flow. The paper presents a method that can accurately estimate the eddy current losses in electric machines with a less complicated procedure. The suggested method allows researchers to analyze and reduce the losses, and consequently, to improve the wind turbine induction generators efficiencies. The given approach, based on the conventional electric machine theory and the parameters supplied by the manufacturers, predicts the eddy current losses theoretically without the need of the measured material loss data or BH curve. Increasing the range of slip variation of induction motor can be achieved by using a rotor of two layers in the radial direction with different parameters. The first layer is a laminated layer of height (h), and the second is a solid (the rotor yoke). The computation of eddy current losses is useful to change the design of the machine to minimize the losses. This paper presents a detailed modeling of the effect parameters on the eddy current losses in wind turbine induction generator.

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5

Swana, Elsie, and Wesley Doorsamy. "An Unsupervised Learning Approach to Condition Assessment on a Wound-Rotor Induction Generator." Energies 14, no. 3 (January 25, 2021): 602. http://dx.doi.org/10.3390/en14030602.

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Accurate online diagnosis of incipient faults and condition assessment on generators is especially challenging to automate through supervised learning techniques, because of data imbalance. Fault-condition training and test data are either not available or are experimentally emulated, and therefore do not precisely account for all the eventualities and nuances of practical operating conditions. Thus, it would be more convenient to harness the ability of unsupervised learning in these applications. An investigation into the use of unsupervised learning as a means of recognizing incipient fault patterns and assessing the condition of a wound-rotor induction generator is presented. High-dimension clustering is performed using stator and rotor current and voltage signatures measured under healthy and varying fault conditions on an experimental wound-rotor induction generator. An analysis and validation of the clustering results are carried out to determine the performance and suitability of the technique. Results indicate that the presented technique can accurately distinguish the different incipient faults investigated in an unsupervised manner. This research will contribute to the ongoing development of unsupervised learning frameworks in data-driven diagnostic systems for WRIGs and similar electrical machines.

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6

Chen, Xin, and Xuefan Wang. "A Novel Wound Rotor Type for Brushless Doubly Fed Induction Generator." Journal of Electrical Engineering and Technology 10, no. 2 (March 1, 2015): 595–602. http://dx.doi.org/10.5370/jeet.2015.10.2.595.

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7

Marzebali, Mohammad Hoseintabar, Shahin Hedayati Kia, Humberto Henao, Gerard-Andre Capolino, and Jawad Faiz. "Planetary Gearbox Torsional Vibration Effects on Wound-Rotor Induction Generator Electrical Signatures." IEEE Transactions on Industry Applications 52, no. 6 (November 2016): 4770–80. http://dx.doi.org/10.1109/tia.2016.2600599.

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8

Yamamoto, M., and O. Motoyoshi. "Active and reactive power control for doubly-fed wound rotor induction generator." IEEE Transactions on Power Electronics 6, no. 4 (October 1991): 624–29. http://dx.doi.org/10.1109/63.97761.

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9

Vilchis‐Rodriguez, Damian S., Sinisa Djurović, and Alexander C. Smith. "Wound rotor induction generator bearing fault modelling and detection using stator current analysis." IET Renewable Power Generation 7, no. 4 (July 2013): 330–40. http://dx.doi.org/10.1049/iet-rpg.2012.0278.

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10

Wang, Li, and Shiang-Shong Chen. "Design of a DC Excitation Control for an Autonomous Wound-Rotor Induction Generator." IEEE Transactions on Industry Applications 50, no. 4 (July 2014): 2807–17. http://dx.doi.org/10.1109/tia.2013.2296654.

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11

Swana, Elsie F., and Wesley Doorsamy. "Investigation of Combined Electrical Modalities for Fault Diagnosis on a Wound-Rotor Induction Generator." IEEE Access 7 (2019): 32333–42. http://dx.doi.org/10.1109/access.2019.2904238.

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12

Joseph, Rex, and L. Umanand. "A Brushless Wound Rotor Induction Generator for Variable Speed Microhydel Plants Without Ballast Load." IEEE Transactions on Sustainable Energy 6, no. 1 (January 2015): 20–27. http://dx.doi.org/10.1109/tste.2014.2354135.

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13

Bhardwaj, Prerak, and Vijayakumar K. "Analysis and modeling of standalone wind driven doubly fed induction generator." International Journal of Engineering & Technology 7, no. 2.6 (March 11, 2018): 112. http://dx.doi.org/10.14419/ijet.v7i2.6.10097.

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This paper briefly enlightens on the analysis and modeling aspects of the standalone operation of doubly fed induction generator (DFIG) based wind energy conversion system (WECS). The DFIG in WECS is controlled via a single converter on the rotor terminals. The battery at the converter terminal fulfills the active/reactive power demand of the load. Whereas, the incorporation of the speed estimation technique makes the WECS free from the complexities associated with the speed sensors, thus provide a robust and reliable operation. The control technique used is simple and based on controlling the stator voltage and frequency by their comparison with a reference voltage and frequency using a simple PI controller. The supportive results for the analysis and modelling has been presented for a 7.5 kW wound rotor induction generator in MATLAB/Simulink environment.

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14

Le, Thai Hiep, and Duong Hoang Phuc Tran. "Study on operating modes of doubly fed induction generator with a short circuit fault on grid near the wind power plant." Journal of Science, Quy Nhon University 15, no. 1 (February 25, 2021): 37–44. http://dx.doi.org/10.52111/qnjs.2021.15104.

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In this paper, the operating mode of a doubly fed induction generator (DFIG) wind turbine is studied in order to evaluate its fault ride-through and transient stability with a grid’s short circuit fault at near the wind power plant. Based on the structure of DFIG, external resistors are directly connected to rotor windings, then the generator operates as a wound rotor induction generator (WRIG) when there is a short circuit fault on the grid. According to the simulation results in Matlab, the active power is consumed on the crowbar resistor, causing the active power characteristic of generator is changed from high to low. As a result, the amount of excess mechanical energy is not much, so the generator be not accelerated significantly. These simulation results show that it is appropriate to use the crowbar resistor to change the power characteristic of the DFIG. Thanks to this change, the generator is still connected to the grid, stable operation both during and after a short circuit.

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15

VinothKumar, K., and M. P. Selvan. "Control Scheme for Mitigation of Output Power Fluctuations in Grid Connected Wound Rotor Induction Generator." Wind Engineering 34, no. 5 (October 2010): 579–93. http://dx.doi.org/10.1260/0309-524x.34.5.579.

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16

Toma, Samuel, Laurent Capocchi, and Gerard-Andre Capolino. "Wound-Rotor Induction Generator Inter-Turn Short-Circuits Diagnosis Using a New Digital Neural Network." IEEE Transactions on Industrial Electronics 60, no. 9 (September 2013): 4043–52. http://dx.doi.org/10.1109/tie.2012.2229675.

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17

Wicaksono, Nanda Avianto, Abdul Halim, Aries Subiantoro, and Feri Yusivar. "Critical Condition of Sensorless Induction Generator Using Flux Weakening in Wind Turbine Application." International Journal of Power Electronics and Drive Systems (IJPEDS) 7, no. 1 (March 1, 2016): 202. http://dx.doi.org/10.11591/ijpeds.v7.i1.pp202-216.

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This paper was intended to examine thoroughly a critical condition of the sensorless induction generator using flux weakening in wind turbine application. The critical condition would happen when the rotor speed reached the critical rotor speed reference. The critical rotor speed reference was the highest of the rotor speed reference that still caused the stable response. It was obtained by increasing the rotor speed reference until the system response became unstable. In the low speed range of wind showed that there was no unstable condition whatever a rotor speed reference was set. On the other hand, there was a critical rotor speed reference in the medium and high speed range of wind. The unstable condition was caused by the induction generator that received a power higher than its capacity, so its rotor speed couldn't be maintained at reference value. The first solution was suggested that the stable condition would be made by setting the rotor speed reference at the minimum critical reference. The second solution was suggested that the controlling rotor speed in triangle area between the critical condition and the operation that used the minimum critical reference for the rotor speed reference. In the triangle area, the rotor speed was controlled by setting the tip speed ratio.

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18

Akinrinde, Ajibola, Andrew Swanson, and Remy Tiako. "Dynamic Behavior of Wind Turbine Generator Configurations during Ferroresonant Conditions." Energies 12, no. 4 (February 16, 2019): 639. http://dx.doi.org/10.3390/en12040639.

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In this paper the dynamic behavior of different wind turbine generator configurations including doubly fed induction generators (DFIG), squirrel cage induction generator (SCIG), wound rotor induction generator (WRIG), and permanent magnet synchronous generator (PMSG) under ferroresonant conditions of energization and de-energization was investigated using Simulink/MATLAB (version 2017B, MathWorks, Natick, MA, USA). The result showed that SCIG had the highest overvoltage of 10.1 PU during energization, followed by WRIG and PMSG, while the least was DFIG. During de-energization, PMSG had the highest overvoltage of 9.58 PU while WRIG had the least. Characterization of the ferroresonance was done using a phase plane diagram to identify the harmfulness of the ferroresonance existing in the system. It was observed that for most of the wind turbine configurations, a chaotic mode of ferroresonance exists for both energization and de-energization scenarios. Although overvoltage during energization for wind turbine generator configurations was higher than in the de-energization with an exception of PMSG, their phase plane diagrams showed that de-energization scenarios were more chaotic than energization scenarios. The study showed that WRIG was the least susceptible to ferroresonance while PMSG was the most susceptible to ferroresonance.

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19

Perahia, J., and C. V. Nayar. "Simulation of a Wind Powered Wound Rotor Induction Generator with Slip Power Recovery for Battery Charging." Wind Engineering 25, no. 2 (March 2001): 81–104. http://dx.doi.org/10.1260/0309524011495890.

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20

Srndovic, Milan, Rastko Fišer, and Gabriele Grandi. "Analysis of Equivalent Inductance of Three-phase Induction Motors in the Switching Frequency Range." Electronics 8, no. 2 (January 22, 2019): 120. http://dx.doi.org/10.3390/electronics8020120.

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The equivalent inductance of three-phase induction motors is experimentally investigated in this paper, with particular reference to the frequency range from 1 kHz to 20 kHz, typical for the switching frequency in inverter-fed electrical drives. The equivalent inductance is a basic parameter when determining the inverter-motor current distortion introduced by switching modulation, such as rms of current ripple, peak-to-peak current ripple amplitude, total harmonic distortion (THD), and synthesis of the optimal PWM strategy to minimize the THD itself. In case of squirrel-cage rotors, the experimental evidence shows that the equivalent inductance cannot be considered constant in the frequency range up to 20 kHz, and it considerably differs from the value measured at 50 Hz. This frequency-dependent behaviour can be justified mainly by the skin effect in rotor bars affecting the rotor leakage inductance in the considered frequency range. Experimental results are presented for a set of squirrel-cage induction motors with different rated power and one wound-rotor motor in order to emphasize the aforesaid phenomenon. The measurements were carried out by a three-phase sinusoidal generator with the maximum operating frequency of 5 kHz and a voltage source inverter operating in the six-step mode with the frequency up to 20 kHz.

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21

Makowski, Krzysztof, and Aleksander Leicht. "Analysis of self-excitation and performance characteristics of a single-phase self-excited induction generator by field-circuit method." COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering 35, no. 1 (January 4, 2016): 200–224. http://dx.doi.org/10.1108/compel-03-2015-0116.

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Purpose – The purpose of this paper is to present analysis of an influence of rotor slots opening on self-excitation process, terminal voltage and performance characteristics of the single-phase self-excited induction generator (SPSEIG). Design/methodology/approach – The paper presents field analysis of the self-excitation problem in the SPSEIG and performance characteristics on the base of two-dimensional field-circuit model of the generator. Findings – The carried out field computations of the tested SPSEIG with closed rotor slots showed that only an initial voltage across the excitation capacitor of about nominal value (230 V) causes successful self-excitation of the generator. It was also proved that the suitable opening of the rotor slots, beside remnant flux density in the rotor core, facilitates self-excitation in the generator. Since in working applications initially charging of the capacitor to almost nominal voltage may cause a problem, therefore employment of semi-closed rotor slots in the SPSEIG would be proper solution. Originality/value – The conducted simulations, validated by laboratory tests showed that not only suitable excitation capacitor capacitance and rotor speed are needed to obtain desired terminal voltage of the generator, but also suitable initial voltage across the capacitor in auxiliary stator winding is very important and necessary for reliable self-excitation of the single-phase induction generator with closed rotor slots. The employment of semi-closed rotor slots in the SPSEIG makes the self-excitation more effective.

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22

Zhang, Jun, and Xue Fan Wang. "Investigation of Output Power and Efficiency of Wound-Rotor Brushless Doubly-Fed Machine." Advanced Materials Research 516-517 (May 2012): 1604–9. http://dx.doi.org/10.4028/www.scientific.net/amr.516-517.1604.

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Brushless Doubly-fed Machine (BDFM) is a new type of the induction machine, which has wide application in the fields of variable-speed generator and drive systems. The key factor affecting its performance is the rotor structure. In this paper, taking wound-rotor BDFM for instance, firstly, according to the relationship between the equivalent circuit parameters of the BDFM, the core equivalent circuit model of the BDFM has been derived. Secondly, based on the core equivalent circuit model and the constraints of electromagnetic load, the power distribution between the power and control windings and the constraint condition of maximum output of active power has been obtained. Thirdly, according to the simplified model of the equivalent circuit, the copper loss and the relationship between the output power and efficiency of the machine have been investigated. Finally, the anlysis results are verified by the experimental data.

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23

El Amine, Boumerid Bensahila Med, Allali Ahmed, Merabet Boulouiha Houari, and Denai Mouloud. "Modeling, simulation and control of a doubly-fed induction generator for wind energy conversion systems." International Journal of Power Electronics and Drive Systems (IJPEDS) 11, no. 3 (September 1, 2020): 1197. http://dx.doi.org/10.11591/ijpeds.v11.i3.pp1197-1210.

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In recent years, wind energy has become one of the most promising renewable energy sources. Various wind turbine concepts with different generator topologies have been developed to convert this abundant energy into electric power. The doubly-fed induction generator (DFIG) is currently the most common type of generator used in wind farms. Usually the DFIG generator is a wound rotor induction machine, where the stator circuit is directly connected to grid while the rotor’s winding is connected to the grid via a three-phase converter. This paper describes an approach for the independent control of the active and reactive powers of the variable-speed DFIG. The simulation model including a 1.5 MW-DFIG driven by a wind turbine, a PWM back-to-back inverter and the proposed control strategy are developed and implemented using MATLAB/Simulink/SimPowerSystems environment.

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24

Djurovic, S., D. S. Vilchis-Rodriguez, and A. C. Smith. "Supply Induced Interharmonic Effects in Wound Rotor and Doubly-Fed Induction Generators." IEEE Transactions on Energy Conversion 30, no. 4 (December 2015): 1397–408. http://dx.doi.org/10.1109/tec.2015.2427295.

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25

Abdelkader, Mona I., Ahmed K. Abdelsalam, and Ahmed A. Hossameldin. "Indirect Vector-Controlled Brushless Doubly-Fed Twin-Stator Induction Generator for Wind Energy Conversion Application." Energies 13, no. 16 (August 12, 2020): 4174. http://dx.doi.org/10.3390/en13164174.

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Wind energy conversion systems (WECSs) seem certain to play a major part in the world’s energy future due to their known high power capacity. The maximum power tracking is unavoidable due to the wind velocity variation and the non-linear relation with the turbine mechanical power. Commercial wind turbines are commonly coupled to either doubly-fed induction generators (DFIGs), wound rotor synchronous generators (WRSG) or permanent magnet synchronous generators (PMSGs). The DFIG-based WECS has several advantages over others. One of which is the power converter in such systems only deals with rotor power, hence the converter rating can run at reduced power rating. However, DFIG has the famous disadvantage of the presence of slip rings which leads to increased maintenance costs and outage times. Hence, brushless doublyfed induction machines (BDFIMs) can be considered as a viable alternative at the penalty of complicated controller requirement and limited decoupling control capability due to the machine’s non-linearity. In this paper, an enhanced performance indirect vector controller is proposed for WECS based on brushless doubly-fed twin-stator induction generator (BDFTSIG). The presented controller offers (i) simplified implementation, (ii) decoupled active-reactive power control, and (iii) a wide range of operation. The proposed controller performance is investigated under various loading conditions showing enhanced transient and minimal steady-state oscillations in addition to complete active/reactive power decoupling. The rigorous simulation and experimental results verify the claimed controller effectiveness under all possible operating conditions for sub- and super-synchronous speed range.

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26

Rached, Bouchaib, Mustapha Elharoussi, and Elhassane Abdelmounim. "Design and investigations of MPPT strategies for a wind energy conversion system based on doubly fed induction generator." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 5 (October 1, 2020): 4770. http://dx.doi.org/10.11591/ijece.v10i5.pp4770-4781.

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The purpose of this work is to design and to discuss various strategies to optimize the production of a wind energy conversion chain based on the doubly fed induction generator (DFIG), by capturing the maximum power at the wind turbine, using maximum power point tracking (MPPT) and pitch control. The proposed controls allow the generator to monitor the optimal operating points of the turbines regardless of wind speed variations, system parameters disturbance, and parameters variation. Simulation of WECS based on a 1.5 MW wound rotor induction generator under MATLAB/SIMULINK is carried out using the PI controller (PIC), RST controller and fuzzy logic controller (FLC). Analysis and comparisons are made for different operating scenarios: Reference tracking, robustness under variable wind speed conditions and parameters variation. The application of FLC provides a very interesting outcome for the robustness and the dynamic challenges.

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27

Marzebali, Mohammad Hoseintabar, Jawad Faiz, Gerard-Andre Capolino, Shahin Hedayati Kia, and Humberto Henao. "Planetary Gear Fault Detection Based on Mechanical Torque and Stator Current Signatures of a Wound Rotor Induction Generator." IEEE Transactions on Energy Conversion 33, no. 3 (September 2018): 1072–85. http://dx.doi.org/10.1109/tec.2018.2811044.

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28

Binu Ben Jose, D. R., N. Ammasai Gounden, and Raavi Sri Naga Ramesh. "A unified power electronic controller for wind driven grid connected wound rotor induction generator using line commutated inverter." Frontiers in Energy 7, no. 1 (January 17, 2013): 39–48. http://dx.doi.org/10.1007/s11708-012-0229-3.

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29

Revana, Guruswamy, Amrutha D.E, Spandana D, and Anusha D. "SIMULATION BASED DESIGNING OF CONTROL SYSTEMS FOR WIND POWER GENERATION." International Journal of Engineering Technology and Management Sciences 4, no. 5 (September 28, 2020): 104–9. http://dx.doi.org/10.46647/ijetms.2020.v04i05.019.

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Wind power is a domestic source of energy, harnessing a limitless local resource and is a potential source of clean electricity generation. Wind is utilized to create electrical energy by means of the kinetic energy formed by air into movement. This energy is changed to electrical energy by wind speed turbines or also called as wind energy exchange systems. Wind speed power generation creates a progressively more significant position in the method the humans power the world. During the process of wind power generation, a variety of characteristics are to be controlled for efficient working of the system and to avoid failure of continuous power supply. In this project we are aiming to control a few such characteristic such as pitch angle, voltage sag and faults that influence wind power generation. The DC link voltage of the Doubly Fed Induction Generator (DFIG) is also monitored. In this wind turbine system consists of wind turbine, AC generator and controllers are considered. The major purpose of the paper is to find out the mathematical model of the wind turbine, authenticate it by simulation, and devise a suitable controller to present a common aim of outlook regarding the use of this type of clean energy production. Various rudiments are connected collectively and the complete arrangement is modelled and also simulated. The simulation results verify the accuracy of the mathematical models developed and can be utilized for a improved design of systems. Wind turbines make use DFIG which consists of wound rotor type induction generator and a PWM converter of IGBT bases of AC/DC/AC. The stator winding is connected directly to the 60 Hz grid while the rotor is fed at variable frequency through the AC/DC/AC converter. The DFIG machinery permits pulling out highest energy from the wind from lowest wind speeds and optimizing the speed of the turbine there by decreasing mechanical stresses on the turbine during gusts of wind. The most favourable turbine speed producing increased mechanical energy for a given speed of the wind which is directly proportional to the wind speed. The other merit of the DFIG expertise is the capability for the converters of power electronics to produce or take in reactive power, thereby reducing the need for putting in capacitor banks as done for the generators of squirrel-cage induction motor type.

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30

Jain, Amit Kumar, and V. T. Ranganathan. "Wound Rotor Induction Generator With Sensorless Control and Integrated Active Filter for Feeding Nonlinear Loads in a Stand-Alone Grid." IEEE Transactions on Industrial Electronics 55, no. 1 (January 2008): 218–28. http://dx.doi.org/10.1109/tie.2007.911196.

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31

Shi, Liwei, Junhao An, and Wenchao Zhang. "Topology Comparison Study of Five-Phase Wound-Field Doubly Salient Fault Tolerant Generators." Applied Sciences 9, no. 10 (May 23, 2019): 2112. http://dx.doi.org/10.3390/app9102112.

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To present the characteristics of pole number and pole shape of the core, the five-phase wound-field doubly salient generators (WFDSGs) with symmetric phase inductance are studied and optimised in this paper, considering the split ratio, slot fill factor and core fringing effect. Based on the principle and structure of the five-phase WFDSGs, the winding induced electro-motive force under different number of poles is theoretically analysed. The constraints for parameter optimisation design including slot fill factor, split ratio and magnetic density characteristic are given. The finite element models of 30/24-pole and 20/16-pole WFDSG are established, and the comparative simulation analysis is carried out. It is pointed out that when the inner and outer diameters of the stator and rotor, the axial length and the maximum magnetic density are constant, the induction electromotive forces of the WFDSGs with different pole numbers and same phase coil number are same. Considering the pole fringing effect, the rotor pole equivalent width is the sum of the rotor pole actual width and 4 times of the air gap. The comparison experiments between the 30/24-pole and 20/16-pole WFDSGs were carried out, which verified the correctness of the theoretical analysis and finite element analysis (FEA).

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32

Mishra, Neeraj Kumar, Zakir Husain, and M. Rizwan Khan. "D, Q reference frames for the simulation of multiphase (six phase) wound rotor induction generator driven by a wind turbine for disperse generation." IET Electric Power Applications 13, no. 11 (October 8, 2019): 1823–34. http://dx.doi.org/10.1049/iet-epa.2019.0004.

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33

Bakhsh, Farhad Ilahi, M. Munawar Shees, and M. S. Jamil Asghar. "Performance of wound rotor induction generators with the combination of input voltage and slip power control." Russian Electrical Engineering 85, no. 6 (June 2014): 403–17. http://dx.doi.org/10.3103/s1068371214060042.

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34

Sapena-Bano, Angel, Martin Riera-Guasp, Ruben Puche-Panadero, Javier Martinez-Roman, Juan Perez-Cruz, and Manuel Pineda-Sanchez. "Harmonic Order Tracking Analysis: A Speed-Sensorless Method for Condition Monitoring of Wound Rotor Induction Generators." IEEE Transactions on Industry Applications 52, no. 6 (November 2016): 4719–29. http://dx.doi.org/10.1109/tia.2016.2597134.

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35

Arestova, Anna, Valentin Bobrik, and Vladimir Cheban. "The use of a wound rotor induction motor in distributed power generation as an interconnection tie." Science Bulletin of the Novosibirsk State Technical University, no. 4 (December 20, 2017): 129–38. http://dx.doi.org/10.17212/1814-1196-2017-4-129-138.

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36

Datta, R., and V. T. Ranganathan. "Variable-speed wind power generation using doubly fed wound rotor induction machine-a comparison with alternative schemes." IEEE Transactions on Energy Conversion 17, no. 3 (September 2002): 414–21. http://dx.doi.org/10.1109/tec.2002.801993.

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37

Datta, R., and V. T. Ranganathan. "Variable-Speed Wind Power Generation Using a Doubly Fed Wound Rotor Induction Machine: A Comparison with Alternative Schemes." IEEE Power Engineering Review 22, no. 7 (July 2002): 52. http://dx.doi.org/10.1109/mper.2002.4312373.

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38

Vijayakumar, Krishnasamy, Natarajan Kumaresan, and Nanjappagounder Ammasaigounden. "Speed sensor‐less maximum power point tracking and constant output power operation of wind‐driven wound rotor induction generators." IET Power Electronics 8, no. 1 (January 2015): 33–46. http://dx.doi.org/10.1049/iet-pel.2013.0700.

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39

Sellami, T., H. Berriri, S. Jelassi, A. M. Darcherif, and M. F. Mimouni. "Sliding Mode Observers-based Fault Detection and Isolation for Wind Turbine-driven Induction Generator." International Journal of Power Electronics and Drive Systems (IJPEDS) 8, no. 3 (September 1, 2017): 1345. http://dx.doi.org/10.11591/ijpeds.v8.i3.pp1345-1358.

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Inter-turn short-circuit (ITSC) faults on the induction machine has received much attention in the recent years. Early detection of such faults in wind turbine systems would allow to avoid fluctuation on wind power output and maintain the reliability level. In this paper, Sliding Mode Observers (SMO)-based fault detection and isolation method is developed for induction generator (IG)-based variable-speed grid-connected wind turbines. Firstly, the dynamic model of the wind turbine and IG was given and then, the control was made based on Maximum Power Point Tracking (MPPT) method. The IG closed-loop via Indirect Rotor Flux Oriented Control (IRFOC) scheme was also described. Hence, the performance of the wind turbine system and the stability of injected power to the grid were analyzed under the ITSC fault conditions. The control schemes were proved to be inherently unstable under the faulty conditions. Then, robust SMO were investigated to design an ITSC fault detection and isolation scheme. Finally, simulation results of ITSC detection and isolation in the variable-speed grid-connected wind turbine with affected IG confirm the theoretical development.

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Wang, Li, Yu-Hung Lin, and Yi-Ting Chen. "Load-Flow Analysis of a Wind Farm Containing Multiple Wind-Driven Wound-Rotor Induction Generators With Dynamic Slip Control Using RX Models." IEEE Transactions on Sustainable Energy 2, no. 3 (July 2011): 256–64. http://dx.doi.org/10.1109/tste.2011.2114679.

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Kupiec, Emil, and Włodzimierz Przyborowski. "Magnetic equivalent circuit model for unipolar hybrid excitation synchronous machine." Archives of Electrical Engineering 64, no. 1 (March 1, 2015): 107–17. http://dx.doi.org/10.1515/aee-2015-0010.

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AbstractLately, there has been increased interest in hybrid excitation electrical machines. Hybrid excitation is a construction that combines permanent magnet excitation with wound field excitation. Within the general classification, these machines can be classified as modified synchronous machines or inductor machines. These machines may be applied as motors and generators. The complexity of electromagnetic phenomena which occur as a result of coupling of magnetic fluxes of separate excitation systems with perpendicular magnetic axis is a motivation to formulate various mathematical models of these machines. The presented paper discusses the construction of a unipolar hybrid excitation synchronous machine. The magnetic equivalent circuit model including nonlinear magnetization curves is presented. Based on this model, it is possible to determine the multi-parameter relationships between the induced voltage and magnetomotive force in the excitation winding. Particular attention has been paid to the analysis of the impact of additional stator and rotor yokes on above relationship. Induced voltage determines the remaining operating parameters of the machine, both in the motor and generator mode of operation. The analysis of chosen correlations results in an identification of the effective control range of electromotive force of the machine.

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Zhu, Yujie, Weiguo Liu, Tao Meng, Jichang Peng, and Ningfei Jiao. "Rotor position estimation of wound-rotor synchronous starter/generator." Journal of Engineering 2018, no. 13 (January 1, 2018): 576–80. http://dx.doi.org/10.1049/joe.2018.0023.

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Zhu, Yujie, Weiguo Liu, Jichang Peng, Tao Meng, and Ningfei Jiao. "Rotor position estimation method of wound‐rotor synchronous starter/generator." IET Electric Power Applications 13, no. 7 (September 17, 2018): 833–42. http://dx.doi.org/10.1049/iet-epa.2018.5222.

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Xie, Ying, Jinpeng Guo, Peng Chen, and Zhiwei Li. "Coupled Fluid-Thermal Analysis for Induction Motors with Broken Bars Operating under the Rated Load." Energies 11, no. 8 (August 3, 2018): 2024. http://dx.doi.org/10.3390/en11082024.

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Thermal stress of the rotor in a squirrel cage induction motor is generated due to the temperature rise, it is also one of the factors causing the broken bar fault because the structure of the rotor would be destroyed if the stress of the rotor bars exceed the strength limit. The coupled fluid-thermal analysis for the induction motor with healthy and broken bar rotors is performed in this paper. Much concern has been committed to establishment of the fluid model on the basis of computational fluid dynamic (CFD) theory. The heat field of the prototypes is analysed so that the effect of the asymmetrical rotor on the motor heat performance can be investigated in depth. Eventually, the efficiency of the presented model and method, for the totally enclosed fan cooled (TEFC) induction motor, can be verified through experimental results. In addition, this paper reports a quantitative analysis of the heat flux distribution of the fault rotor, and the heat flux density of the bars is investigated in detail. Then, the part most likely to break in the rotor as a result of the thermal load is identified.

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Ben-Hail, N., and R. Rabinovici. "Autonomous induction generator with single phase rotor." IEE Proceedings - Electric Power Applications 147, no. 1 (2000): 55. http://dx.doi.org/10.1049/ip-epa:20000034.

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Jia, Lei. "A double concentric wound rotor brushless doubly fed generator." IEEJ Transactions on Electrical and Electronic Engineering 14, no. 2 (October 15, 2018): 321–32. http://dx.doi.org/10.1002/tee.22812.

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Nguyen, Trong-Thang. "A Rotor-Sync Signal-Based Control System of a Doubly-Fed Induction Generator in the Shaft Generation of a Ship." Processes 7, no. 4 (April 1, 2019): 188. http://dx.doi.org/10.3390/pr7040188.

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A doubly-fed induction machine in generator-mode is popularly used for energy generation, particularly in the case of a variable speed, such as in the wind generator, the shaft generator of a ship, because the doubly-fed induction generator is able to maintain a stable frequency when changing the rotor speed. This paper aims to propose a novel method for controlling the shaft generation system of a ship using a doubly-fed induction generator. This method uses the rotor signals of a small doubly-fed induction machine as base components to create the control signal for the doubly-fed induction generators. The proposed method will be proven by both theory and a simulation model. The advantage of the proposed method is that the control system of the generator can be simply built, but it functions effectively. The generator voltage always coincides with the grid voltage, even when the grid voltage and the rotor speed are changed, and the reactive and active power of the generator fed into the grid can be separately controlled.

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Takaku, Kaneo. "Generating torque mesurement of wound rotor induction motor." IEEJ Transactions on Power and Energy 105, no. 1 (1985): 69–73. http://dx.doi.org/10.1541/ieejpes1972.105.69.

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Leonov, G. A., E. P. Solovyeva, and A. M. Zaretskiy. "Speed regulation of induction motors with wound rotor." IFAC Proceedings Volumes 46, no. 12 (2013): 90–94. http://dx.doi.org/10.3182/20130703-3-fr-4039.00031.

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Salas-Cabrera, R., A. Hernandez-Colin, J. Roman-Flores, and N. Salas-Cabrera. "Bifurcation Analysis of the Wound Rotor Induction Motor." International Journal of Bifurcation and Chaos 25, no. 12 (November 2015): 1550163. http://dx.doi.org/10.1142/s0218127415501631.

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This work deals with the bifurcation phenomena that occur during the open-loop operation of a single-fed three-phase wound rotor induction motor. This paper demonstrates the occurrence of saddle-node bifurcation, hysteresis, supercritical saddle-node bifurcation, cusp and Hopf bifurcation during the individual operation of this electromechanical system. Some experimental results associated with the bifurcation phenomena are presented.

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