Showing 1-25 of 37,834 resultsfor "Index Terms":Rotor Stator
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The implementation of direct virtual torque control and direct power control for DFIG in wind energy system using DSpace 1103
Phan Quoc Dzung;Anh Nguyen Bao;Phuong Le Minh;Khoa Le Dinh;Hong Hee Lee
2011 IEEE Ninth International Conference on Power Electronics and Drive Systems
Year: 2011 | Conference Paper |
This paper proposed an experimental approach to DVTC and DPC control algorithms for Wind-Turbine System - DFIG using the DSpace software 1103 in conjunction with Matlab/Simulink. The algorithms for controlling rotor-side converter (RSC) of a doubly-fed induction generator (DFIG) system include direct power control (DPC) strategy for controlling power flow and direct virtual torque control (DVTC) s...Show More
On-line rotor time constant estimation for induction motor using two new methods, RLS and SDBP algorithms
2009 International Conference on Electrical and Electronics Engineering - ELECO 2009
Year: 2009 | Conference Paper |
This paper presents two new methods of online estimation for the rotor time constant of the induction motor for indirect vector control drives. These methods are presented using artificial neural networks with steepest descent back propagation training algorithm and recursive least square algorithm. These methods use measurements of the stator voltages, stator currents and the rotor speed. The pro...Show More
Robustness analysis of an Extended Kalman Filter for sensorless control of induction motors
2010 IEEE International Symposium on Industrial Electronics
Year: 2010 | Conference Paper |
Cited by: Papers (12)
This paper deals with robustness analysis of Extended Kalman Filters (EKFs) for sensorless motion control of induction motors. Analysis is carried out by means of simulation experiments considering a conventional EKF, in which system and measurement noise covariance matrices are constant, and an adaptive EKF in which the system noise covariance matrix is updated on-line using a PID-type algorithm ...Show More
Energy conservation through improved design of three-phase squirrel cage induction motor using BF optimization algorithm
2011 International Conference on Computer, Communication and Electrical Technology (ICCCET)
Year: 2011 | Conference Paper |
Cited by: Papers (3)
The recent emphasis on energy conversion demands an improvement of the efficiency of three-phase induction motors (IM). The high efficiency IM can be achieved by selecting optimum motor design parameters. Therefore, it is necessary to develop an efficient evolutionary approach for optimal design of three-phase IM. This paper presents a bacterial foraging (BF) algorithm for optimizing the IM design...Show More
Modeling and dynamic simulation of a salient-pole synchronous generator with eccentricity
Proceedings of the 2010 Electric Power Quality and Supply Reliability Conference
Year: 2010 | Conference Paper |
Cited by: Papers (5)
This paper presents the modeling and simulation of a salient-pole synchronous machine including static, dynamic or mixed eccentricity between stator and rotor. The generator is connected to an infinite bus bar and the abc reference frame is used to large disturbances angular stability studies, three-phase short circuit. The Modified Winding Function Method (MWFM) is employed to describe the machin...Show More
Generalized procedure for BLDC motor design and substantiation in MagNet 7.1.1 software
2012 International Conference on Computing, Electronics and Electrical Technologies (ICCEET)
Year: 2012 | Conference Paper |
Cited by: Papers (13)
In this paper, a generalized procedure for designing a Permanent Magnet Brushless DC motor (PMBLDCM) based on design equations is presented. The formulated algorithm can provide a design solution either dependent variables or independent variables are available. A step by step procedure of the design validation and analysis using the MagNet 7.1.1 software is illustrated. The main attention is dedi...Show More
Modelling and fault diagnosis for DFIGs with multi-phase inter-turn short circuit
The 2011 International Conference on Advanced Mechatronic Systems
Year: 2011 | Conference Paper |
Cited by: Papers (3)
In this paper, a new dynamic model of a DFIG subjected to the multiphase inter-turn short circuit fault (ITSC) is proposed. This model can quantitatively describe the faults occurring in multiple phases of the stator and rotor. What's more, a state-space representation of this faulty model is also derived. Base on this model, an adaptive observer is developed which can provide an online diagnosis ...Show More
Control ot two-phase induction motor by changing the phase difference angle
2006 Eleventh International Middle East Power Systems Conference
Year: 2006 | Conference Paper |
Cited by: Papers (1)
A phase-difference angle (PDA) controlled pulse width-modulated (PWM) inverter instead of phase voltage modulation and/or frequency changing is proposed to control the speed, and position of a two-phase induction motor. Several characteristics of a two-phase induction motor driven by the PDA inverter are studied to verify the improvement of the motor performances. Also, speed, and position trackin...Show More
Stator and rotor faults detection in Induction Motor (IM) using the Extended Kaman Filter (EKF)
2016 International Conference on Electrical and Information Technologies (ICEIT)
Year: 2016 | Conference Paper |
Cited by: Papers (11)
Accurate knowledge of stator and rotor resistance variations in an Induction Motor (IM) has received a lot of attention due to its significance in improving the performance of the Machine. The paper deals with the application of the Extended Kalman Filter (EKF) algorithm in the purpose of stator and rotor faults detection in IM. The hypothesis on which detection is based is that the apparent rotor...Show More
Simultaneous Estimation of the Stator and Rotor Resistances in an Induction Motor Drive using Novel Active and Reactive Power Based Model Reference Adaptive System
2019 International Conference on Electrical Drives & Power Electronics (EDPE)
Year: 2019 | Conference Paper |
Cited by: Papers (3)
The paper is concerned with estimation of a stator and rotor windings resistances of an induction motor. For this purpose, a novel estimator is proposed which is based on a model reference adaptive system (MRAS). The estimator utilizes two quantities such as active and reactive power of the motor therefore is named PQ-MRAS. The main advantage of proposed system is possibility to simultaneous calcu...Show More
Performance of Electric Motor With Integrated Magnetic Spring Under Rotor Eccentricity
2023 IEEE International Electric Machines & Drives Conference (IEMDC)
Year: 2023 | Conference Paper |
Recently, a novel electric motor with integrated magnetic spring (EMMS) is proposed for cyclic loads for reducing the energy consumption of these types of loads. The EMMS produces the oscillating part of the load torque in a passive way by the magnetic spring. Thereby, this reduces the energy consumption. Nevertheless, the rotor is sandwiched between two stators which complicates the manufacturing...Show More
A Dual Stator/Rotor PM and Winding Flux Modulated PM Machine
2020 IEEE Energy Conversion Congress and Exposition (ECCE)
Year: 2020 | Conference Paper |
Cited by: Papers (6)
In this paper, an ultra-high torque density flux modulated permanent magnet machine (FMPM) topology is elaborately constructed. Its main structural features are that both stator and rotor parts consist of PMs and armature windings, so that a single air gap and simple structure is kept. Meanwhile, the rotor space is fully utilized. What's more, both the PMs can interact with both the windings, and ...Show More
Analysis and optimization of a five-phase hybrid excitation flux switching machine based on the consistency and complementarity principle
In this study, the general optimal stator poles/rotor teeth (P/T) combination equation of the E-core hybrid excitation flux switching (HEFS) machines are introduced, and a new HEFS machine is proposed and optimized. Firstly, the influences of three different P/T combinations (10/18, 10/19, and 10/21) on the HEFS machines are investigated with two-dimensional (2D) finite element analyses (2D-FEA). ...Show More
Wound Rotor Induction Machine drive with reduced number of current sensors
2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES)
Year: 2014 | Conference Paper |
Cited by: Papers (2)
Wound Rotor Induction Machine (WRIM) is used in various motoring and generating applications. Control of this machine from rotor side improves the operating speed and reduces the rating as well as cost of converter. The method proposed in this paper is field oriented control of WRIM with single current sensor. Rotor reference currents of current controllers are used for estimating the un-sensed ro...Show More
Investigation on the zero speed sensorless capability of 9-slot 8-pole with asymmetrical-winding PM brushless DC motor
Alfi Satria;Andri Setiyoso;Tri Desmana Rachmildha;Agus Purwadi;Yanuarsyah Haroen
2016 8th International Conference on Information Technology and Electrical Engineering (ICITEE)
Year: 2016 | Conference Paper |
Odd stator slot-number permanent magnet brushless DC motor with asymmetrical-winding has the advantage of unique flux distribution in the stator slot. It could be explored to make sensorless control using flux linkage variation method for this kind of machine. This paper investigates the capability of the 9-slot 8-pole PM BLDC motor to be controlled sensorless from zero speed. The results show tha...Show More
Fundamental design and analysis of a novel bipolar transverse-flux motor with stator permanent-magnet excitation
In this paper, a novel bipolar transverse flux motor with stator permanent magnet excitation is proposed based on the summary and analysis of the transverse flux motor and stator permanent magnet motor research achievements in recent years. It has been shown that the motor realizes the bipolar winding flux through the detailed analysis. The motor can be used as an inwheel motor in electric vehicle...Show More
Detection of broken rotor bars part I - New theory
Conceptually, a broken rotor bar in a squirrel cage induction motor would imply an open circuit in one of the bars. On the contrary, research [1] has shown that in most, copper cage motors, the contact impedance between bar and core is small, allowing current to continue to flow into the broken bar. This current enters the broken bar, and flows through the core to the adjacent healthy bars, as int...Show More
Factors affecting the design of turbo generators
General. Mr. President and gentlemen, with your kind permission, instead of rending the paper as such, I will give a descriptive lecture, using slides based on the subject matter. The operation of turbo generators is associated with guarantees of temperature and electrical characteristics. The temperatures of the machine are dependent upon the heat to be dissipated, i.e., the losses; the thermal c...Show More
Mixed Stator-Rotor fault characterization for Doubly Fed Induction Machines
2016 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM)
Year: 2016 | Conference Paper |
Cited by: Papers (2)
This paper introduces a diagnostic technique for the detection of mixed Stator-Rotor electrical faults in Doubly Fed Induction Machine (DFIM) for wind power systems. Operating in aggressive environments, the detection of anomalies at an incipient stage is crucial to decide about the operating continuity of the machines. In this paper the behavior of DFIM is investigated under the assumption that t...Show More
Dual Stator Permanent Magnet Vernier Machine With Yokeless Rotor Having Single Stator Winding for Torque Density Improvement
Mudassir Raza Siddiqi;Tanveer Yazdan;Jun-Hyuk Im;Yeol-Kyeong Lee;Jin Hur
This paper proposes a special design of a dual stator radial type permanent magnet vernier machine (PMVM) having a yokeless rotor to improve the torque density. The PMVM model is designed with winding only in the outer stator, while the inner stator is kept auxiliary without winding. The proposed model reduced the overall volume of the machine, which in turn improved the torque density of the mach...Show More
Analysis of Large-scale Non-Overlap Winding Wound Rotor Synchronous Machine with Stator Slitting
2023 31st Southern African Universities Power Engineering Conference (SAUPEC)
Year: 2023 | Conference Paper |
Cited by: Papers (2)
Non-overlap windings have a downfall in that they result in a high quantity of magnetomotive force, sub- and higher-order harmonics, leading to core saturation, increased losses and vibration. Wound rotor machines with non-overlap windings and especially large yokes, result in massive core losses due to the high amount of flux generated in the machine. Stator slitting is proposed as a simple metho...Show More
A novel sensorless control strategy of doubly fed induction generator
2009 International Conference on Sustainable Power Generation and Supply
Year: 2009 | Conference Paper |
Available sensorless speed control strategies of doubly fed induction generator (DFIG) usually fail around the synchronous speed or limited by the operation mode (motor or generator). A novel control strategy is proposed in this paper. It uses the stator flux magnetizing current to estimate the rotor position and speed. This strategy works properly in the whole speed range. The principle of the sp...Show More
Influence of Magnetic Saturation and Rotor Eccentricity on Back EMF of Novel Hybrid-Excited Stator Slot Opening Permanent Magnet Machine
IEEE Transactions on Magnetics
Cited by: Papers (10)
This paper introduces a novel hybrid-excited stator slot opening permanent magnet (PM) machine (HSSPMM). The operation principle of the machine is described and the effects of rotor eccentricity and magnetic saturation due to PMs on electromagnetic performance, with particular emphasis on back electromotive force (EMF), are analyzed by finite element method (FEM). It shows that different from the ...Show More
A novel method to estimate speed for the induction motor at wide range speed
2012 International Conference on Systems and Informatics (ICSAI2012)
Year: 2012 | Conference Paper |
Cited by: Papers (3)
A novel estimation technique of rotor speed of induction motor is proposed. The new estimation method is to estimate directly rotor speed using stator flux and rotor flux. Speed adaptation law in Model Reference Adaptive System (MRAS) or Speed Adaptive Flux System (SAFO) is not employed because the proportional and integral gains in the adaptation law are difficult to determine for wide operation ...Show More
Electromagnetic Design and Analysis of Low Speed High Torque Motor with Composite Rotor and Double Stator
2023 IEEE International Magnetic Conference - Short Papers (INTERMAG Short Papers)
Year: 2023 | Conference Paper |
Cited by: Papers (3)
This paper presents a novel composite rotor double stator low speed high torque motor (CRDS-LSHTM). The rotor of the novel motor is composed of synchronous reluctance and surface permanent magnet. The salient feature of the composite rotor is the separation of permanent magnet torque and reluctance torque, which brings flexible control to the permanent magnet torque and reluctance torque component...Show More
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