Scheduled System Maintenance
On Tuesday, May 22, IEEE Xplore will undergo scheduled maintenance. Single article sales and account management will be unavailable
from 6:00am–5:00pm ET. There may be intermittent impact on performance from noon–6:00pm ET.
We apologize for the inconvenience.

# IEEE Transactions on Energy Conversion

## Filter Results

Displaying Results 1 - 25 of 32

Publication Year: 2011, Page(s):C1 - C2
| PDF (144 KB)
• ### IEEE Transactions on Energy Conversion publication information

Publication Year: 2011, Page(s): C2
| PDF (40 KB)
• ### A Novel Hysteresis Core Loss Model for Magnetic Laminations

Publication Year: 2011, Page(s):993 - 999
Cited by:  Papers (6)
| | PDF (515 KB) | HTML

A general dynamic hysteresis core loss model has been developed. Experimental data for different lamination thicknesses have been measured and analyzed at various frequencies. Based on the analysis, a dynamic hysteresis finite element core loss model is established and validated by experiments. The developed dynamic hysteresis model is simple and efficient, and has been shown to be very accurate c... View full abstract»

• ### Nonlinear ${cal H}_{infty }$ Constrained Feedback Control for Grid-Interactive WECS Under High Stochasticity

Publication Year: 2011, Page(s):1000 - 1009
Cited by:  Papers (5)
| | PDF (960 KB) | HTML

Wind turbine technology has evolved into a unique technical identity with potential to contribute significantly to the global energy mix powered by renewables. Wind energy, being a fluctuating resource, requires tight control management that ad dresses stability issues for it to be integrable with the grid system. Difficulty in controller construction for wind energy conversion systems (WECSs) is ... View full abstract»

• ### Modal Analysis of a DFIG-Based Wind Farm Interfaced With a Series Compensated Network

Publication Year: 2011, Page(s):1010 - 1020
Cited by:  Papers (69)
| | PDF (818 KB) | HTML

Interests of subsynchronous resonance (SSR) in series compensated electric networks with wind power penetration have arisen recently. To better understand the nature of such systems, modal analysis of a doubly-fed induction generator (DFIG)-based wind energy system interconnected with a series compensated electric network is conducted in this paper. The system model is built in Matlab/Simulink. Th... View full abstract»

• ### Complementary Control of Oscillating Water Column-Based Wave Energy Conversion Plants to Improve the Instantaneous Power Output

Publication Year: 2011, Page(s):1021 - 1032
Cited by:  Papers (29)
| | PDF (1736 KB) | HTML

In this paper, an oscillating water column-based wave energy conversion plant is modeled and controlled by means of two complementary control strategies in order to improve the conversion of wave energy into electric power. This wave power generation system consists of a capture chamber, a Wells turbine, and an induction generator. The improvement relays on the implementation of a control scheme t... View full abstract»

• ### Directly Coupled Electromagnetic Field-Electric Circuit Model for Analysis of a Vector-Controlled Wound Field Brushless Starter Generator

Publication Year: 2011, Page(s):1033 - 1040
Cited by:  Papers (8)
| | PDF (1110 KB) | HTML

Directly coupled electromagnetic field-electric circuit modeling approach for coupling an electrical machine to its associated external circuit and power electronics has been widely reported in the literature. However, the inclusion of a closed-loop control system, such as conventional vector (field-oriented) control, within a directly coupled electromagnetic field-electric circuit model has not b... View full abstract»

• ### Modeling of the Cost of EV Battery Wear Due to V2G Application in Power Systems

Publication Year: 2011, Page(s):1041 - 1050
Cited by:  Papers (127)
| | PDF (1322 KB) | HTML

This paper presents an analysis of the cost of utilizing battery electric vehicle (BEV) batteries as energy storage in power grids [also known as vehicle-to-grid (V2G)] associated with lessening battery cycle life due to more frequent charging and discharging activities and utilization in elevated ambient temperature. Comparison is made between V2G in the U.K., where annual electricity peak demand... View full abstract»

• ### DFIG Power Generation Capability and Feasibility Regions Under Unbalanced Grid Voltage Conditions

Publication Year: 2011, Page(s):1051 - 1062
Cited by:  Papers (33)
| | PDF (1903 KB) | HTML

Several strategies have been proposed for operating doubly-fed induction generator (DFIG)-based wind turbine under unbalanced grid voltage conditions. This study focuses on those strategies in which the rotor-side power converter aims at eliminating the oscillations affecting the electromagnetic torque and the stator reactive power. Given the limited size of the DFIG's power converters, and hence ... View full abstract»

• ### Active Islanding Detection for Inverter-Based Distributed Generation Systems With Power Control Interface

Publication Year: 2011, Page(s):1063 - 1072
Cited by:  Papers (24)
| | PDF (1120 KB) | HTML

Conventional active islanding detection methods (IDMs) are designed for the inverter-based distributed generation systems (DGSs) with current control interface. Such strategies can hardly be extended to the DGS with power control interface because the power control loop can affect the IDMs by enlarging the nondetection zones (NDZs). This paper presents an active IDM based on negative-sequence powe... View full abstract»

• ### Calculation of a Complex 3-D Model of a Turbogenerator With End Region Regarding Electrical Losses, Cooling, and Heating

Publication Year: 2011, Page(s):1073 - 1080
Cited by:  Papers (20)
| | PDF (1582 KB) | HTML

A significant problem of turbogenerators on complex end structures is overheating of local parts caused by end losses and complex fluid flow in the end region. Therefore, it is important to investigate the 3-D flow and heat transfer process in the end. Using a 200-MW air-cooled turbogenerator as an example, the influences of end cores and the actual shapes and material of the end coils, press fing... View full abstract»

• ### Design Optimization of Multistack Coreless Disk-Type Hysteresis Motor

Publication Year: 2011, Page(s):1081 - 1087
Cited by:  Papers (7)
| | PDF (756 KB) | HTML

Coreless dual disks hysteresis motors (CDDHM) have been recently introduced. The CDDHM presents some improvements in power factor and efficiency compared to general hysteresis machines. However, there is not much design or manufacturing experience available and an initial design methodology has not yet been proposed for the new machine. According to this and existing inherent complexity in the mod... View full abstract»

• ### Effect of Control Strategies and Power Take-Off Efficiency on the Power Capture From Sea Waves

Publication Year: 2011, Page(s):1088 - 1098
Cited by:  Papers (59)
| | PDF (1069 KB) | HTML

The choice of the most suitable control strategy for wave energy converters (WECs) is often evaluated with reference to the sinusoidal assumption for incident waves. Under this hypothesis, linear techniques for the control of the extracted power, as passive loading and optimum control, are well known and widely analyzed. It can be shown, however, how their performances are fundamentally different ... View full abstract»

• ### Online State Estimation of a Synchronous Generator Using Unscented Kalman Filter From Phasor Measurements Units

Publication Year: 2011, Page(s):1099 - 1108
Cited by:  Papers (64)
| | PDF (1393 KB) | HTML

The most important reference quantities for monitoring and controlling transient stability in real time are the rotor angle and speed of the synchronous generators. If these quantities can be estimated with sufficient accuracy, they can be used in global and local control methods. In the classic state estimation methods, such as the extended Kalman filter (EKF) technique, the linear approximations... View full abstract»

• ### Lead-Acid Battery Model Under Discharge With a Fast Splitting Method

Publication Year: 2011, Page(s):1109 - 1117
Cited by:  Papers (5)
| | PDF (524 KB) | HTML

A mathematical model of a valve-regulated lead-acid battery under discharge is presented as simplified from a standard electrodynamics model. This nonlinear reaction-diffusion model of a battery cell is solved using an operator splitting method to quickly and accurately simulate sulfuric acid concentration. This splitting method incorporates one-sided approximation schemes to preserve continuity o... View full abstract»

• ### A New Approach for Solar Module Temperature Estimation Using the Simple Diode Model

Publication Year: 2011, Page(s):1118 - 1126
Cited by:  Papers (48)
| | PDF (1123 KB) | HTML

In this paper, an effective new approach for estimating the operating temperature of a photovoltaic (PV) module by using the simple diode model is presented. The developed method is simple and does not need any additional hardware. The proposed approach uses an analytical formula to derive the temperature from the maximum power point voltage and current. Since the temperature estimation (TE) is ba... View full abstract»

• ### Finite Element Model of Electrical Machines Coupled to the Grid Simulation Software

Publication Year: 2011, Page(s):1127 - 1133
Cited by:  Papers (6)
| | PDF (1760 KB) | HTML

Using a finite element (FE) model of the electrical machine in a grid solver enables us to take the machine nonlinearities into account with great precision in the simulation of a complete system. Three methods are usually used for linking the grid and FE solver: direct coupling, lumped components, and current or voltage output approach. In this article, the coupling is treated as the resolution o... View full abstract»

• ### Determination of Hydro Generator Efficiency Using Infrared Thermal Imaging Techniques

Publication Year: 2011, Page(s):1134 - 1139
Cited by:  Papers (2)
| | PDF (525 KB) | HTML

The calorimetric method has for a long time been applied for energy conversion efficiency measurement in electrical machines. The number of temperature sensors necessary for its successful application in the field constitutes in one of the major drawbacks of the method. This paper shows how the usage of IR thermal imaging techniques can reduce costs and the necessary time for the calorimetric meth... View full abstract»

• ### DC-Bus Voltage Control Technique for Parallel-Integrated Permanent Magnet Wind Generation Systems

Publication Year: 2011, Page(s):1140 - 1150
Cited by:  Papers (12)
| | PDF (1875 KB) | HTML

This paper presents a dc-bus voltage control technique for a new power conversion topology feasible for parallel-integrated permanent magnet (PM) wind generation systems. This technique is based on a master-slave hysteresis control scheme in order to solve discrepancy problems that could happen between the controllers. A three-phase semicontrolled rectifier topology is proposed here as an effectiv... View full abstract»

• ### Interturn Stator Faults Analysis of a 200-MVA Hydrogenerator During Transient Operation Using FEM

Publication Year: 2011, Page(s):1151 - 1160
Cited by:  Papers (9)
| | PDF (2282 KB) | HTML

This paper presents an investigation of the behavior of a 200-MVA-synchronous hydrogenerator during interturn stator faults, focusing on the affection to the electromagnetic magnitudes, such as the currents and the electromagnetic torque. Two kinds of interturn fault are examined 1) a short circuit between two conductors belonging to the same phase; and 2) a short circuit between two conductors be... View full abstract»

• ### Modeling and Ride-Through Control of Doubly Fed Induction Generators During Symmetrical Voltage Sags

Publication Year: 2011, Page(s):1161 - 1171
Cited by:  Papers (54)
| | PDF (1231 KB) | HTML

Modern grid codes determine that wind generation plants must not be disconnected from the grid during some levels of voltage sags and contribute to network stabilization. Wind energy conversion systems equipped with the doubly fed induction generator (DFIG) are one of the most frequently used topologies, but they are sensitive to grid disturbances due to the stator direct connection to the grid. T... View full abstract»

• ### A Hybrid Battery Model Capable of Capturing Dynamic Circuit Characteristics and Nonlinear Capacity Effects

Publication Year: 2011, Page(s):1172 - 1180
Cited by:  Papers (99)  |  Patents (1)
| | PDF (595 KB) | HTML

A high-fidelity battery model capable of accurately predicting battery performance is required for proper design and operation of battery-powered systems. However, the existing battery models have at least one of the following drawbacks: 1) requiring intensive computation due to high complexity; 2) not applicable for electrical circuit design and simulation; and 3) not capable of accurately captur... View full abstract»

• ### Experimental Research on the Influence of Wind Turbine Blade Rotation on the Characteristics of Atmospheric Discharges

Publication Year: 2011, Page(s):1181 - 1190
Cited by:  Papers (5)
| | PDF (1170 KB) | HTML

The experimental research, whose most important segments are described in this paper, is one of the first attempts to determine the influence of wind turbine blade rotation on likelihood of getting struck by lightning. The tests were conducted in the high-voltage laboratory, applying the up-and-down method for determination of the 50% flashover standard switching voltage. The impulse voltage waves... View full abstract»

• ### Dynamic Stability Analysis of a Tidal Power Generation System Connected to an Onshore Distribution System

Publication Year: 2011, Page(s):1191 - 1197
Cited by:  Papers (19)
| | PDF (790 KB) | HTML

This paper presents the analyzed results of both dynamic simulations and steady-state performance of a tidal power generation system (TPGS) containing a permanent-magnet synchronous generator (PMSG) driven by a tidal turbine through a gearbox. The stator windings of the tidal PMSG are connected to an onshore distribution system through an ac-to-dc converter, a dc-to-ac inverter, a step-up transfor... View full abstract»

• ### Design and Analysis of an Electromechanical Battery for Rural Electrification in Sub-Saharan Africa

Publication Year: 2011, Page(s):1198 - 1209
Cited by:  Papers (16)
| | PDF (1057 KB) | HTML

This paper presents the design and analysis of an electromechanical flywheel energy storage system to enhance rural electrification in sub-Saharan Africa. The system consists of a flywheel rotor, an electrical machine, control system, bearings, and a containment structure. With the exception of the power electronics and magnets, local materials were used for the manufacture of the flywheel system.... 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