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# IEEE Transactions on Energy Conversion

## Filter Results

Displaying Results 1 - 25 of 34

Publication Year: 2008, Page(s):C1 - C2
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• ### IEEE Transactions on Energy Conversion publication information

Publication Year: 2008, Page(s): C2
| PDF (39 KB)
• ### Accurate Prediction of Magnetic Field and Magnetic Forces in Permanent Magnet Motors Using an Analytical Solution

Publication Year: 2008, Page(s):717 - 726
Cited by:  Papers (61)
| | PDF (284 KB) | HTML

This paper presents an analytical model suitable for analyzing permanent magnet motors with slotted stator core. By including the effect of the interaction between the pole transitions and slot openings, the model is able to predict the airgap field and magnetic forces with high accuracy, which cannot be achieved using the previously available analytical methods. The results of electromagnetic for... View full abstract»

• ### Analysis and Optimization of Back EMF Waveform of a Flux-Switching Permanent Magnet Motor

Publication Year: 2008, Page(s):727 - 733
Cited by:  Papers (150)  |  Patents (1)
| | PDF (873 KB) | HTML

Flux-switching permanent magnet (FSPM) motors have a doubly salient structure, the magnets being housed in the stator and the stator winding comprising concentrated coils. They have attracted considerable interest due to their essentially sinusoidal phase back electromotive force (EMF) waveform. However, to date, the inherent nature of this desirable feature has not been investigated in detail. Th... View full abstract»

• ### Frequency-Domain Model for Calculation of Voltage Distribution Through Random Wound Coils and Its Interaction With Stray Capacitances

Publication Year: 2008, Page(s):742 - 751
Cited by:  Papers (6)
| | PDF (1256 KB) | HTML

Modern pulsewidth-modulation (PWM) low-voltage drives are recognized as one of the most demanding applications for a motor. Pulses facing motor terminals are responsible for turn-to-turn high electrical stresses that lead to unexpected failures in stator windings. In this paper, an accurate new model for frequency-domain voltage distribution calculation through random wound coils is presented. In ... View full abstract»

• ### Dynamic Performance of Brushless DC Motors With Unbalanced Hall Sensors

Publication Year: 2008, Page(s):752 - 763
Cited by:  Papers (38)  |  Patents (1)
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Brushless dc (BLDC) motors controlled by Hall-effect sensors are widely used in various applications and have been extensively researched in the literature, mainly under the assumption that the Hall sensors are ideally placed 120 electrical degrees apart. However, this assumption is not always valid; in fact, sensor placement may be significantly inaccurate, especially in medium- and low-precision... View full abstract»

• ### Power Quality Improvement in Conventional Electronic Load Controller for an Isolated Power Generation

Publication Year: 2008, Page(s):764 - 773
Cited by:  Papers (15)
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This paper deals with the power quality improvement in a conventional electronic load controller (ELC) used for isolated pico-hydropower generation based on an asynchronous generator (AG). The conventional ELC is based on a six-pulse uncontrolled diode bridge rectifier with a chopper and an auxiliary load. It causes harmonic currents injection resulting distortion in the current and terminal volta... View full abstract»

• ### Analysis of Critical-Speed Increase of Induction Machines via Winding Reconfiguration With Solid-State Switches

Publication Year: 2008, Page(s):774 - 780
Cited by:  Papers (6)  |  Patents (2)
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Commonly used speed-control concepts permit speed ranges up to two-three times the base speed via voltage to frequency (V/f), that is, field-weakening control. This paper teaches the extension of the speed-control range up to nine times the base speed through online reconfiguration of the motor windings via electronic switches. The switchover of the windings, either from a winding with p1 View full abstract»

• ### Simple Power Control for Sensorless Induction Motor Drives Fed by a Matrix Converter

Publication Year: 2008, Page(s):781 - 788
Cited by:  Papers (19)
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This paper presents a new and simple method for sensorless control of matrix converter drives using a power flowing to the motor. The proposed control algorithm is based on controlling the instantaneous real and imaginary powers into the induction motor. To improve low-speed sensorless performance, the nonlinearities of a matrix converter drive such as commutation delays, turn-ON and turn-OFF time... View full abstract»

• ### Transient Electromechanical Modeling for Short Secondary Linear Induction Machines

Publication Year: 2008, Page(s):789 - 795
Cited by:  Papers (26)
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Linear induction motors are under development for a variety of demanding applications including aircraft launchers and magnetically levitating trains. These applications require machines that can produce large forces, operate at high speeds, and can be controlled precisely to meet performance requirements. The design and implementation of these systems require fast and accurate techniques for perf... View full abstract»

• ### Induction Motor Equivalent Circuit Including the Stray Load Losses in the Machine Power Balance

Publication Year: 2008, Page(s):796 - 803
Cited by:  Papers (37)
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In this paper, the stray load losses due to the air gap spatial harmonics effects on the rotor squirrel cage are considered and a simplified induction motor equivalent circuit able to include them in the machine power balance is reported. In the proposed model, an additional resistance appears in series with the stator impedance. This additional parameter has been defined on the basis of power bal... View full abstract»

• ### On-Load Motor Parameter Identification Using Univariate Dynamic Encoding Algorithm for Searches

Publication Year: 2008, Page(s):804 - 813
Cited by:  Papers (7)
| | PDF (631 KB) | HTML

Parameter identification of an induction motor has long been studied either for vector control or fault diagnosis. This paper addresses parameter identification of an induction motor under on-load operation. For estimating electrical and mechanical parameters in the motor model from the on-load data, unmeasured initial states and load torque profile have to be also estimated for state evaluation. ... View full abstract»

• ### Saturation Modeling and Stability Analysis of Synchronous Reluctance Generator

Publication Year: 2008, Page(s):814 - 823
Cited by:  Papers (10)
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A new method of representing magnetic saturation in synchronous reluctance generator has been proposed in this paper. A linearized model of synchronous reluctance generator has been developed applying the proposed saturation model to perform the steady-state stability analysis. The effect of - and -axis saturation on the steady-state stability of a synchronous reluctance generator has been investi... View full abstract»

• ### Linear Models for Optimization of Infrastructure for $hbox{CO}_{2}$ Capture and Storage

Publication Year: 2008, Page(s):824 - 833
Cited by:  Papers (18)
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This paper presents linear models of the most common components in the value chain for capture and storage. The optimal investment planning of new gas power plants traditionally includes the cost of fuel versus sales of electricity and heat from the plant. If a new power plant also causes additional investments in gas infrastructure, these should be included in the optimization. With the increasin... View full abstract»

• ### Basic Modeling and Simulation Tool for Analysis of Hydraulic Transients in Hydroelectric Power Plants

Publication Year: 2008, Page(s):834 - 841
Cited by:  Papers (47)
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In this paper, the simulation system of a typical hydroelectric power plant was developed in a MATLAB/Simulink-based software environment, which has a high water head and a long penstock with upstream and downstream surge tanks and is equipped with a Francis turbine. With MATLAB/Simulink, the models of the proposed simulation system are all modularized and visualized, and can be reused easily. No ... View full abstract»

• ### A Compact Electrical Model for Microscale Fuel Cells Capable of Predicting Runtime and $I$–$V$ Polarization Performance

Publication Year: 2008, Page(s):842 - 850
Cited by:  Papers (6)
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The growing popularity and success of fuel cells (FCs) in aerospace, stationary power, and transportation applications is driving and challenging researchers to complement and in some cases altogether replace the batteries of portable systems in the hopes of increasing functional density, extending runtime, and decreasing size. Direct-methanol fuel cell (DMFC) batteries have now been built and con... View full abstract»

• ### Multiple Input Governor Control for a Diesel Generating Set

Publication Year: 2008, Page(s):851 - 859
Cited by:  Papers (13)  |  Patents (1)
| | PDF (778 KB) | HTML

The paper presents a multiple-input single-output fuzzy logic governor algorithm that can be used to improve the transient response of a diesel generating set, when supplying an islanded load. The proposed governor uses the traditional speed input in addition to voltage and power factor to modify the fueling requirements during various load disturbances. The use of fuzzy logic control allows the u... View full abstract»

• ### High-Order Sliding Control for a Wind Energy Conversion System Based on a Permanent Magnet Synchronous Generator

Publication Year: 2008, Page(s):860 - 867
Cited by:  Papers (90)
| | PDF (237 KB) | HTML

This paper presents the output power control of a wind energy conversion system (WECS) based on a permanent magnet synchronous generator (PMSG). It is assumed that the considered wind module integrates a stand-alone hybrid generation system, jointly with a battery bank, a variable ac load, and other generation subsystems. The operation strategy of the hybrid system determines two possible operatio... View full abstract»

• ### Determination of Battery Storage Capacity in Energy Buffer for Wind Farm

Publication Year: 2008, Page(s):868 - 878
Cited by:  Papers (105)
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Design of a battery energy storage system (BESS) in a buffer scheme is examined for the purpose of attenuating the effects of unsteady input power from wind farms. The design problem is formulated as maximization of an objective function that measures the economic benefit obtainable from the dispatched power from the wind farm against the cost of the BESS. Solution to the problem results in the de... View full abstract»

• ### VRLA Battery Virtual Reference Electrode: Battery Float Charge Analysis

Publication Year: 2008, Page(s):879 - 886
Cited by:  Papers (6)
| | PDF (304 KB) | HTML

This paper investigates the problems and deficiencies with present valve-regulated lead-acid (VRLA) battery float charge techniques. The requirements and goals of float charge are identified, and a mechanism for assessing the achievement of these goals is provided. An electrical equivalent model of a VRLA cell's float charge operational region is developed. This model replicates both the steady-st... View full abstract»

• ### Neurofuzzy Power System Stabilizer

Publication Year: 2008, Page(s):887 - 894
Cited by:  Papers (25)
| | PDF (362 KB) | HTML

An adaptive fuzzy logic power system stabilizer (AFPSS) consisting of a generalized neuron (GN)-based predictor and a fuzzy logic controller (FLC) is described. The inference mechanism of the FLC is represented by a rule-base and a database. Two parameters, decided on the basis of the GN-predictor output and the current system conditions, are used to tune the AFPSS. This mechanism of tuning makes ... View full abstract»

• ### Hybrid Control of a Grid-Interactive Wind Energy Conversion System

Publication Year: 2008, Page(s):895 - 902
Cited by:  Papers (18)
| | PDF (1639 KB) | HTML

Without storage provision, a wind energy conversion system (WECS) does not have fault ride-through capability for most temporary faults on the utility feeder. This paper proposes a hybrid valve switching and control strategy for a voltage-sourced converter (VSC) used for interfacing a WECS to the utility grid. The hybrid control of the VSC ensures continuous operation of the system in the presence... View full abstract»

• ### Modeling and Control of Grid-Connected Voltage-Sourced Converters Under Generalized Unbalanced Operation Conditions

Publication Year: 2008, Page(s):903 - 913
Cited by:  Papers (73)  |  Patents (1)
| | PDF (395 KB) | HTML

This paper proposes a unified mathematical model of a voltage-sourced converter (VSC) based on positive and negative synchronously rotating frames under both unbalanced grid supply and imbalanced input impedances. Based on the developed model, a new definition of instantaneous reactive power is introduced, and an accurate mathematical model of the instantaneous active and reactive powers at differ... View full abstract»

• ### Power System Stabilizer Design Using an Online Adaptive Neurofuzzy Controller With Adaptive Input Link Weights

Publication Year: 2008, Page(s):914 - 922
Cited by:  Papers (19)
| | PDF (325 KB) | HTML

A neurofuzzy controller (NFC) with adaptive input link weights (ILWs) and working as an adaptive power system stabilizer is presented. The control structure of the proposed adaptive neurofuzzy power system stabilizers (ANFPSSs) consists of a neuroidentifier to track the dynamic behavior of the plant and an NFC to damp the low-frequency power system oscillations. Usually, the input membership funct... View full abstract»

• ### Impact of Positive-Feedback Anti-Islanding Methods on Small-Signal Stability of Inverter-Based Distributed Generation

Publication Year: 2008, Page(s):923 - 931
Cited by:  Papers (30)
| | PDF (315 KB) | HTML

This paper investigates the impact of positive-feedback anti-islanding methods on the small-signal stability of grid-connected inverter-based distributed generation. The maximum power transfer capability of a distributed generator (DG) is analyzed. Sensitivity studies are conducted for DGs equipped with the Sandia frequency shift anti-islanding scheme. Factors such as positive-feedback gain, initi... 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