# IEEE Transactions on Energy Conversion

## Filter Results

Displaying Results 1 - 25 of 30

Publication Year: 2014, Page(s):C1 - C4
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• ### IEEE Transactions on Energy Conversion publication information

Publication Year: 2014, Page(s): C2
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• ### Performance of a Self-Excited Induction Generator With DSTATCOM-DTC Drive-Based Voltage and Frequency Controller

Publication Year: 2014, Page(s):545 - 557
Cited by:  Papers (12)
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This paper presents the performance of a self-excited induction generator (SEIG) with a voltage and frequency controller (VFC) in a standalone microhydro power generating system. The VFC consists of a distribution static compensator (DSTATCOM) and a direct torque controlled variable frequency induction motor drive (VFIMD) operating as an electronic load controller (ELC). The DSTATCOM is an insulat... View full abstract»

• ### Time-Domain Parameter Extraction Method for Thévenin-Equivalent Circuit Battery Models

Publication Year: 2014, Page(s):558 - 566
Cited by:  Papers (26)
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This paper presents an analytical time-domain-based parameter identification method for Thévenin-equivalent circuit-based lithium-ion battery models. The method is based on the analysis of voltage-relaxation characteristics of pulse discharge and pulse charge experiments, and the method can be used for both discharge and charge operation with any number of parallel resistor-capacitor branc... View full abstract»

• ### Excitation Winding Short-Circuits in Hybrid Excitation Permanent Magnet Motor

Publication Year: 2014, Page(s):567 - 575
Cited by:  Papers (5)
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This paper presents two short-circuit fault models of a hybrid excitation flux switching permanent magnet machine, i.e., excitation phase short-circuit and interturn short-circuit in excitation windings. Two-dimensional finite element (FE) method is used to calculate the major parameters, such as armature and excitation inductances, which are not only functions of rotor position, but also of armat... View full abstract»

• ### ${cal L}_1$ Adaptive Speed Control of a Small Wind Energy Conversion System for Maximum Power Point Tracking

Publication Year: 2014, Page(s):576 - 584
Cited by:  Papers (8)
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This paper presents the design of an L1 adaptive controller for maximum power point tracking (MPPT) of a small variable speed wind energy conversion system (WECS). The proposed controller generates the optimal torque command for the vector-controlled generator-side converter based on the wind speed estimation. The proposed MPPT control algorithm has a generic structure and can be used f... View full abstract»

• ### Three-Phase Full-Bridge Converter Controlled Permanent Magnet Reluctance Generator for Small-Scale Wind Energy Conversion Systems

Publication Year: 2014, Page(s):585 - 593
Cited by:  Papers (5)
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A permanent magnet reluctance generator (PMRG), which is a type of switched reluctance machine (SRM) with magnets on stator yoke, has an extremely simple and robust structure and is suitable for variable speed applications such as wind energy conversion systems (WECSs). A three-phase asymmetric half-bridge (AHB) converter with a torque ripple minimization-assisted maximum power point tracking (MPP... View full abstract»

• ### Brushless Three-Phase Synchronous Generator Under Rotating Diode Failure Conditions

Publication Year: 2014, Page(s):594 - 601
Cited by:  Papers (7)
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In brushless excitation systems, the rotating diodes can experience open- or short-circuits. For a three-phase synchronous generator under no-load, we present theoretical development of effects of diode failures on machine output voltage. Thereby, we expect the spectral response faced with each fault condition, and we propose an original algorithm for state monitoring of rotating diodes. Moreover,... View full abstract»

• ### A Novel Adaptive P&O MPPT Algorithm Considering Sudden Changes in the Irradiance

Publication Year: 2014, Page(s):602 - 610
Cited by:  Papers (26)
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In this paper, a short-circuit current-based adaptive perturb and observe maximum power point tracking algorithm is proposed to extract the maximum power from photovoltaic (PV) panel under sudden changes in the irradiance. This scheme is divided into two algorithms: 1) current perturbation algorithm; and 2) adaptive control algorithm. The current perturbation algorithm makes the PV panel operate a... View full abstract»

• ### Improved Virtual Vector Control of Single-Phase Inverter Based on Unified Model

Publication Year: 2014, Page(s):611 - 618
Cited by:  Papers (8)
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A unified model is established for virtual vector control schemes of current-regulated single-phase inverters. Based on this model, it is proved that the cross-coupling interaction between the real and virtual orthogonal axes may induce dc positive feedback and destabilize the system. Therefore, a stability criterion is identified to reveal the special characteristics of the virtual vector control... View full abstract»

• ### Modeling Eccentric Squirrel-Cage Induction Motors With Slotting Effect and Saturable Teeth Reluctances

Publication Year: 2014, Page(s):619 - 627
Cited by:  Papers (19)
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This paper mainly proposes a general model of eccentric squirrel-cage induction motor (SCIM), which includes the stator and rotor slotting effect as well as their individual tooth reluctance effect. Considering open slots on the stator and rotor, their rather exact shape is included in the machine's air gap function. Then, the resulting air gap function is used for evaluating various inductances o... View full abstract»

• ### Magnetic FEM Design and Experimental Validation of an Innovative Fail-Safe Magnetorheological Clutch Excited by Permanent Magnets

Publication Year: 2014, Page(s):628 - 640
Cited by:  Papers (4)
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This paper describes the magnetic design of an innovative fail-safe clutch based on magnetorheological fluid (MRF). A cylindrical arrangement of permanent magnets (PMs) is used to excite the fluid. The suitable distribution of magnetic field inside the MRF and the transmissible torque is obtained by moving the PMs along the axial direction. The device is designed using a magneto/mechanical FEM mod... View full abstract»

• ### Performance Improvement in the Axial Flux-Segmented Rotor-Switched Reluctance Motor

Publication Year: 2014, Page(s):641 - 651
Cited by:  Papers (10)
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Axial flux-segmented rotor-switched reluctance motor (SSRM) topology could be a potential candidate for in-wheel electric vehicle application. This topology has the advantage of the increased active surface area for the torque production as compared to the radial flux SSRM for a given volume. To improve the performance of axial flux SSRM (AFSSRM), various stator slot/rotor segment combinations and... View full abstract»

• ### Optimized Coil Arrangement in Wound Interphase Reactors for High-Power Rectifier Systems

Publication Year: 2014, Page(s):652 - 662
Cited by:  Papers (4)
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This paper investigates the optimal arrangement of the coils in a wound-type interphase reactor to avoid the decreased inductance due to local saturation in the core when operated with high dc current. In theory, the direct currents and the related magnetomotive forces in the two ways of an interphase reactor are equal, and this compensation leads one to conclude that the global flux in the yokes ... View full abstract»

• ### Load Sharing Strategy for Autonomous AC Microgrids Based on FPGA Implementation of ADALINE&FLL

Publication Year: 2014, Page(s):663 - 672
Cited by:  Papers (10)
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Paralleled operation of voltage-source inverters (VSIs) is currently achieved by using voltage/frequency droop control techniques which requires the knowledge of the system parameters. Otherwise, centralized control techniques with robust communication among VSIs controllers are also used. This paper presents a new control strategy which allows the load sharing between the power sources of an ac m... View full abstract»

• ### Analytical Modeling of Current Harmonic Components in PMSM Drive With Voltage-Source Inverter by SVPWM Technique

Publication Year: 2014, Page(s):673 - 680
Cited by:  Papers (10)
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The sideband current harmonic components would inhere in permanent-magnet (PM) synchronous machine systems driven by a voltage-source inverter with space vector pulsewidth modulation (SVPWM). However, these harmonics could potentially deteriorate the overall performance of the drive system by increasing the resultant losses, torque ripple, and electromagnetic and acoustic noises. The main sideband... View full abstract»

• ### Solar Plane Propulsion Motors With Precompressed Aluminum Stator Windings

Publication Year: 2014, Page(s):681 - 688
Cited by:  Papers (12)
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This paper reports a propulsion motor for a solar-powered aircraft. The motor uses precompressed aluminum stator windings, with a fill factor of greater than 75%, in a permanent magnet synchronous machine. The motor performance is compared empirically to an identical machine with conventionally wound copper windings. It is shown that there are many advantages to using compressed aluminum windings ... View full abstract»

• ### Parameter Determination of Asynchronous Machines From Manufacturer Data Sheet

Publication Year: 2014, Page(s):689 - 697
Cited by:  Papers (4)
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This paper presents a methodology for obtaining the parameters of the equivalent circuit for an induction motor from the information on the nameplate and manufacturer catalog data sheet. The proposed method is straight and noniterative. The variation in rotor parameters for deep bars or double squirrel-cage rotors is modeled and presented as a function of the slip. The results of remarkable points... View full abstract»

• ### High-Frequency Interbar Current Losses in Cage Induction Motors Under No-Load Condition

Publication Year: 2014, Page(s):698 - 705
Cited by:  Papers (2)
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This paper describes a study of the interbar current losses in induction motors under no-load condition by comparing the measured and calculated results. The interbar resistances and losses are measured on the machine of the rotor with end rings removed. The increase in interbar resistances caused by the slot insulation treatment is ascertained to decrease the losses effectively. The losses are ca... View full abstract»

• ### Equivalent Circuit Parameters for Large Brushless Doubly Fed Machines (BDFMs)

Publication Year: 2014, Page(s):706 - 715
Cited by:  Papers (8)
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This paper presents analytical methods to calculate the equivalent circuit parameters for large-scale brushless doubly fed machines (BDFMs) with magnetic wedges utilized for closing stator open slots. The use of magnetic wedges reduces the magnetizing currents in the machine, reflected in the values of magnetizing inductances, but also increases leakage fluxes affecting the value of series inducta... View full abstract»

• ### Influence of Flux Gaps on Electromagnetic Performance of Novel Modular PM Machines

Publication Year: 2014, Page(s):716 - 726
Cited by:  Papers (17)
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In order to simplify manufacture processes and improve fault-tolerant capabilities, modular electrical machines, especially the ones with segmented stators, are increasingly employed. However, flux gaps between segments are often inevitable. In this paper, to take advantage of these flux gaps to enhance the machine performance, novel modular permanent magnet machines with different slot/pole combi... View full abstract»

• ### An Experimental Study of Scale-up, Oxidant, and Response Characteristics in PEM Fuel Cells

Publication Year: 2014, Page(s):727 - 734
Cited by:  Papers (6)
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It is important for fuel cell to become flexible in order to accommodate the situations of application areas for reducing costs and expanding coverage. Scale ups in series and parallel to 1-kW class proton exchange membrane (PEM) fuel cell stack are characterized experimentally with oxidant as air and oxygen. Through a serial scaled-up 4-cell stack with an active area of 25 cm2 and a pa... View full abstract»

• ### Torque Improvement of Five-Phase Surface-Mounted Permanent Magnet Machine Using Third-Order Harmonic

Publication Year: 2014, Page(s):735 - 747
Cited by:  Papers (11)
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This paper presents optimal third harmonics in both permanent magnet (PM) shaping and current waveform to improve the output torque of five-phase surface-mounted PM (SPM) machines. The optimal value of third harmonic injected into the sinusoidal PM shape and current waveform for maximum torque improvement is analytically derived and validated by both finite element (FE) analyses and experiments. I... View full abstract»

• ### Influence of Underexcitation Operation on Electromagnetic Loss in the End Metal Parts and Stator Step Packets of a Turbogenerator

Publication Year: 2014, Page(s):748 - 757
Cited by:  Papers (1)
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The leading operation of large generators is an effective method to adjust the electric reactive power surplus, and the leading-power factor was restricted by the temperature rise of the end parts. In this paper, a three-dimensional (3-D) electromagnetic field of a 330-MW water-hydrogen-hydrogen-cooled turbogenerator in the end region was investigated, and the effect of end leakage magnetic flux o... View full abstract»

• ### Synthesis of High Performance Fractional-Slot Permanent-Magnet Machines With Coil-Pitch of Two Slot-Pitches

Publication Year: 2014, Page(s):758 - 770
Cited by:  Papers (12)
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This paper presents feasible slot/pole number combinations of machines with two slot-pitches. They are becoming popular since they not only exhibit the low torque ripple but also the low harmonic content of the magnetomotive force. Some examples of such windings are reported in the literature, but they are limited to a specific slot/pole combination. On the contrary, a general theory is presented ... 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