# IEEE Transactions on Energy Conversion

## Filter Results

Displaying Results 1 - 25 of 34

Publication Year: 2009, Page(s):C1 - C4
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• ### IEEE Transactions on Energy Conversion publication information

Publication Year: 2009, Page(s): C2
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• ### Piezoelectric Actuator Design and Placement for Switched Reluctance Motors Active Damping

Publication Year: 2009, Page(s):305 - 313
Cited by:  Papers (19)
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This paper describes the design and the placement of piezoelectric actuators on switched reluctance motors by means of a genetic algorithm (nondominated sorting genetic algorithm II) for the purpose of reducing stator vibrations. Two distinct approaches are presented: one energy-related and the other based on a minimization of the resultant displacement. These methods lead to design and placement ... View full abstract»

• ### “Active Flux” DTFC-SVM Sensorless Control of IPMSM

Publication Year: 2009, Page(s):314 - 322
Cited by:  Papers (75)  |  Patents (3)
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This paper proposes an implementation of a motion-sensorless control system in wide speed range based on "active flux" observer, and direct torque and flux control with space vector modulation (DTFC-SVM) for the interior permanent magnet synchronous motor (IPMSM), without signal injection. The concept of "active flux" (or "torque producing flux") turns all the rotor salient-pole ac machines into f... View full abstract»

• ### Impact of MMF Space Harmonic on Rotor Losses in Fractional-Slot Permanent-Magnet Machines

Publication Year: 2009, Page(s):323 - 328
Cited by:  Papers (85)
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The fractional-slot permanent-magnet (PM) machines are used in many applications due to their high torque density, low torque ripple, and high efficiency. However, the fractional-slot machines are characterized by high contents of space harmonics in the air-gap MMF distribution. Such harmonics cause flux variation in the air gap, and the main consequence is the induced losses in the rotor. Dependi... View full abstract»

• ### Synchronous Generator Output Voltage Real-Time Feedback Control via $H_infty$ Strategy

Publication Year: 2009, Page(s):329 - 337
Cited by:  Papers (19)
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A new approach on synchronous generator (SG) output voltage control is presented. The originality of such a strategy is based on the excitation structure that integrates a permanent-magnet generator combined with a modern control method: the H infin. The main motivation of this paper is the debatable results obtained with the classical excitation structure controlled by a traditi... View full abstract»

• ### Population-Based Design of Surface-Mounted Permanent-Magnet Synchronous Machines

Publication Year: 2009, Page(s):338 - 346
Cited by:  Papers (57)
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Permanent-magnet synchronous machines can be designed to obtain high efficiency and high torque density. Population-based optimization methods such as genetic algorithms and particle swarm optimization are gaining acceptance as a means of optimizing the design of this class of machines. This paper builds on the literature by utilizing a computationally efficient machine analysis appropriate for us... View full abstract»

• ### Analytical Design Model for Surface-Mounted Permanent-Magnet Synchronous Machines

Publication Year: 2009, Page(s):347 - 357
Cited by:  Papers (48)
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Design of electric machinery using population-based optimization requires a highly computationally efficient means of predicting the field distribution as well as the lumped-circuit model parameters. This paper proposes and validates a relatively straightforward analysis appropriate to this end. View full abstract»

• ### A Novel Method of Evaluating Performance Characteristics of a Self-Excited Induction Generator

Publication Year: 2009, Page(s):358 - 365
Cited by:  Papers (53)
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Self-excited induction generators (SEIG) are increasingly being used in isolated areas to generate electrical energy from both conventional and nonconventional energy sources. This paper proposes a novel method of evaluating the steady-state performance characteristics of a SEIG under various operating conditions. The criteria for the constant terminal voltage and the constant-stator-current opera... View full abstract»

• ### A Field Reconstruction Technique for Efficient Modeling of the Fields and Forces Within Induction Machines

Publication Year: 2009, Page(s):366 - 374
Cited by:  Papers (18)
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Traditional analysis and design of induction machines have been largely based upon lumped-parameter models. An alternative tool used for field-based evaluations of an induction machine is the finite-element method. Although useful, its computational complexity limits its use as a design tool. In this paper, a field reconstruction (FR) method for induction machine simulation is introduced. The FR m... View full abstract»

• ### Real-Time Speed and Flux Adaptive Control of Induction Motors Using Unknown Time-Varying Rotor Resistance and Load Torque

Publication Year: 2009, Page(s):375 - 387
Cited by:  Papers (17)
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In this paper, an algorithm for direct speed and flux adaptive control of induction motors using unknown time-varying rotor resistance and load torque is described and validated with experimental results. This method is based on the variable structure theories and is potentially useful for adjusting online the induction motor controller unknown parameters (load torque and rotor resistance). The pr... View full abstract»

• ### A Comparison of Nodal- and Mesh-Based Magnetic Equivalent Circuit Models

Publication Year: 2009, Page(s):388 - 396
Cited by:  Papers (48)
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The magnetic equivalent circuit (MEC) technique is a powerful analysis and design tool that combines relative accuracy with moderate computational effort. In this paper, a nodal-based MEC formulation and a mesh-based MEC formulation of a magnetic system are compared. The Newton-Raphson algorithm is used to solve the algebraic system, and to draw conclusions about the computational efficiency of th... View full abstract»

• ### 3-D Magnetic Equivalent Circuit Framework for Modeling Electromechanical Devices

Publication Year: 2009, Page(s):397 - 405
Cited by:  Papers (55)
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Magnetic equivalent circuits (MECs) are becoming an accepted alternative to electrical-equivalent lumped-parameter models and finite-element analysis (FEA) for simulating electromechanical devices. Their key advantages are moderate computational effort, reasonable accuracy, and flexibility in model size. MECs are easily extended into three dimensions. But despite the successful use of MEC as a mod... View full abstract»

• ### Multivariable Self-Tuning Control of a Turbine Generator System

Publication Year: 2009, Page(s):406 - 414
Cited by:  Papers (3)
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Results from a collaborative research and development program devoted to turbine generator (TG) control are described. Digital self-tuning excitation controllers were designed for a generator during the initial phase of the project, with the design subsequently extended to cover multivariable control of the TG, which is the topic of this paper. Simulations and tests on a laboratory-scale machine h... View full abstract»

• ### Control of DFIG-Based Wind Generation to Improve Interarea Oscillation Damping

Publication Year: 2009, Page(s):415 - 422
Cited by:  Papers (110)  |  Patents (1)
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Power systems with high penetration of wind power usually require long-distance transmission to export wind power to the market. Interarea oscillation is an issue faced in long-distance transmission. Can wind generation based on doubly fed induction generator (DFIG) help to damp oscillations and how? In this paper, a control scheme is developed for the DFIG with rotor-side converter to damp intera... View full abstract»

• ### Step-Response Model Development for Dynamic Matrix Control of a Drum-Type Boiler–Turbine System

Publication Year: 2009, Page(s):423 - 430
Cited by:  Papers (38)  |  Patents (2)
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This paper presents the application of dynamic matrix control (DMC) to a drum-type boiler-turbine system. Two types of step-response models for DMC are investigated in designing the DMC; one is developed with the linearization of the nonlinear plant model and the other is developed with the process step-response data. Then, the control performances of the DMC based on both types of models are eval... View full abstract»

• ### Fault Detection and Diagnosis in a Set “Inverter–Induction Machine” Through Multidimensional Membership Function and Pattern Recognition

Publication Year: 2009, Page(s):431 - 441
Cited by:  Papers (22)
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Nowadays, electrical drives generally associate inverter and induction machine. Thus, these two elements must be taken into account in order to provide a relevant diagnosis of these electrical systems. In this context, the paper presents a diagnosis method based on a multidimensional function and pattern recognition (PR). Traditional formalism of the PR method has been extended with some improveme... View full abstract»

• ### Harnessing High-Altitude Solar Power

Publication Year: 2009, Page(s):442 - 451
Cited by:  Papers (21)  |  Patents (1)
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As an intermediate solution between Glaser's satellite solar power (SSP) and ground-based photovoltaic (PV) panels, this paper examines the collection of solar energy using a high-altitude aerostatic platform. A procedure to calculate the irradiance in the medium/high troposphere, based on experimental data, is described. The results show that here a PV system could collect about four to six times... View full abstract»

• ### An Experimental Study and Nonlinear Modeling of Discharge I–V Behavior of Valve-Regulated Lead–Acid Batteries

Publication Year: 2009, Page(s):452 - 458
Cited by:  Papers (30)
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Valve-regulated lead-acid battery continues to be studied in some cost-sensitive applications, such as microhybrid electric vehicle and scooters. A dynamic battery I -V model is needed for system design, simulation, and real-time control purposes. Battery discharging behavior is one of the most important parts of the model. By reviewing previous studies, the authors find that there i... View full abstract»

• ### Estimation of Energy Yield From Wind Farms Using Artificial Neural Networks

Publication Year: 2009, Page(s):459 - 464
Cited by:  Papers (29)
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This paper uses the data from seven wind farms at Muppandal, Tamil Nadu, India, collected for three years from April 2002 to March 2005 for the estimation of energy yield from wind farms. The model is developed with the help of neural network methodology, and it involves three input variables-wind speed, relative humidity, and generation hours-and one output variable, which give the energy output ... View full abstract»

• ### Ramp-Rate Control of Photovoltaic Generator With Electric Double-Layer Capacitor

Publication Year: 2009, Page(s):465 - 473
Cited by:  Papers (67)
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This paper describes ramp rate control of a photovoltaic (PV) generator with an electric double-layer capacitor. The capacitor absorbs rapid fluctuations of PV generation, and allows the generator to change its output at a limited ramp rate. The output is mainly determined by a moving average of the PV generation, but the capacitor voltage is also counted to keep the voltage at a specified value, ... View full abstract»

• ### Forecasting the Wind Generation Using a Two-Stage Network Based on Meteorological Information

Publication Year: 2009, Page(s):474 - 482
Cited by:  Papers (100)
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This paper proposes a practical and effective model for the generation forecasting of a wind farm with an emphasis on its scheduling and trading in a wholesale electricity market. A novel forecasting model is developed based on indepth investigations of meteorological information. This model adopts a two-stage hybrid network with Bayesian clustering by dynamics and support vector regression. The p... View full abstract»

• ### PWM Energy Converters: Fractal Method of Dynamics Forecasting in Practical Application

Publication Year: 2009, Page(s):483 - 492
Cited by:  Papers (5)
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A fractal method of dynamics forecasting is investigated from the viewpoint of practical application regarding pulsewidth modulation (PWM) energy converters (PECs). The method realizes the idea of PEC state estimation relative to the preliminary formed domains of periodic processes. With this purpose, a special space ldquois designedrdquo into which the periodic process domains are mapped from the... View full abstract»

• ### Coordinated Reactive Power Control of a Large Wind Farm and a STATCOM Using Heuristic Dynamic Programming

Publication Year: 2009, Page(s):493 - 503
Cited by:  Papers (96)  |  Patents (3)
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A novel interface neurocontroller (INC) is proposed for the coordinated reactive power control between a large wind farm equipped with doubly fed induction generators (DFIGs) and a static synchronous compensator (STATCOM). The heuristic dynamic programming (HDP) technique and radial basis function neural networks (RBFNNs) are used to design this INC. It effectively reduces the level of voltage sag... View full abstract»

• ### A Novel Scheme to Connect Wind Turbines to the Power Grid

Publication Year: 2009, Page(s):504 - 510
Cited by:  Papers (28)
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In this paper, a new scheme is proposed to connect wind turbines to the power grid. This scheme helps in limiting the fault currents as well as in voltage unbalance compensation. Voltage is injected in series with the transmission line to limit the fault currents as well as to balance the voltages. This scheme allows wind turbines to remain synchronized to the grid during faults or during low volt... View full abstract»

## Aims & Scope

The IEEE Transactions on Energy Conversion includes in its venue the research, development, design, application, construction, installation, operation, analysis and control of electric power generating and energy storage equipment (along with conventional, cogeneration, nuclear, distributed or renewable sources, central station and grid connection). The scope also includes electromechanical energy conversion, electric machinery, devices, systems and facilities for the safe, reliable, and economic generation and utilization of electrical energy for general industrial, commercial, public, and domestic consumption of electrical energy.

Full Aims & Scope

## Meet Our Editors

Editor-in-Chief
Juri Jatskevich
University of British Columbia