# IEEE Transactions on Energy Conversion

## Issue 4 • Dec. 2018

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## Filter Results

Displaying Results 1 - 25 of 78

Publication Year: 2018, Page(s):C1 - 1602
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• ### IEEE Power & Energy Society

Publication Year: 2018, Page(s): C2
| PDF (60 KB)
• ### Best Papers and Star Reviewers

Publication Year: 2018, Page(s): 1603
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• ### Modeling of Surface Permanent Magnet Motors With Cogging and Saturation Effects Included

Publication Year: 2018, Page(s):1604 - 1613
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A method for modeling permanent magnet motors including saturation effects on cogging and motive torque is described. This method rivals the accuracy of finite element analyses but solves 4-5 orders of magnitude faster, depending on several factors. Simulation results match well with laboratory measurements. View full abstract»

• ### The Impact of Voltage Regulation of Multiinfeed VSC-HVDC on Power System Stability

Publication Year: 2018, Page(s):1614 - 1627
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Due to the anticipated proliferation of HVDC links up to and beyond 2020 into transmission systems, it is expected that in some locations, two or more HVDC links will be installed with a short electrical distance between them and will form a multiinfeed (MI)-HVDC scenario for the system. The control and operation of MI-HVDC systems are of particular concern for weak grids such as that likely to be... View full abstract»

• ### Torque Improvement and Cost Reduction of Permanent Magnet Machines With a Dovetailed Consequent-Pole Rotor

Publication Year: 2018, Page(s):1628 - 1640
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This paper presents a consequent-pole permanent-magnet (CPM) machine to reduce the volume of permanent magnets (PM) and the cost of retaining sleeve, and meanwhile the average torque and efficiency can be improved due to the reduced airgap reluctance. The proposed configuration uses dovetail consequent-pole to protect quasi-trapezoidal PMs with lower total rotor loss than a conventional surface-mo... View full abstract»

• ### A Linear Extrapolation-Based MPPT Algorithm for Thermoelectric Generators Under Dynamically Varying Temperature Conditions

Publication Year: 2018, Page(s):1641 - 1649
Cited by:  Papers (1)
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This paper presents a new maximum power point tracking (MPPT) technique for extracting the maximum power in thermoelectric generator (TEG) systems. Considering the linear nature of I-V characteristics of a TEG source, the proposed technique is based on the linear extrapolation principle. The I -V coordinates of two random operating points are used in computing the coordinates of new MPP. As antici... View full abstract»

• ### Development of an External Rotor V-Shape Permanent Magnet Machine for E-Bike Application

Publication Year: 2018, Page(s):1650 - 1658
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This paper proposes the design and development of an external rotor permanent magnet in-wheel motor for an electric bicycle application. The proposed machine utilizes V-shape magnets embedded in the external rotor to achieve enhanced magnetic flux concentration and, hence, high torque and power output. Detailed design principles and performance characteristics of the proposed machine are comprehen... View full abstract»

• ### Reduced Capacitance Battery Storage DC-Link Voltage Regulation and Dynamic Improvement Using a Feedforward Control Strategy

Publication Year: 2018, Page(s):1659 - 1668
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This paper proposes a feedback/feedforward control strategy to attenuate the dc-link voltage variations in a reduced-capacitor battery energy storage system. It also identifies the impact of dc-link voltage variations on a battery energy storage system's response dynamics and power capabilities. It shows that addition of a feedforward controller to the existing feedback controller improves the dc-... View full abstract»

• ### An Optimization Framework for Dynamically Reconfigurable Battery Systems

Publication Year: 2018, Page(s):1669 - 1676
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Multi-cell battery systems have been pervasively adopted as power supplies in industrial, commercial, and residential applications. Traditionally, battery systems consist of a large number of single cells interconnected by fixed topology to fulfill the requirements on voltage, current, capacity, and power. However, various cell unbalances introduced in manufacture and operational processes make ba... View full abstract»

• ### An Online Diagnostic Method for Rotary Diode Open-Circuit Faults in Brushless Exciters

Publication Year: 2018, Page(s):1677 - 1685
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A rotating diode failure is the most common electrical fault in brushless exciters. It brings a safety hazard to the generator excitation system so that the whole unit is forced to be shut down. It is necessary to detect and deal with this fault accurately. According to the electrical structure characteristics of brushless exciters, this paper analyzes the influence of an open circuit rotating dio... View full abstract»

• ### Improvement of Tubular Linear Oscillating Actuators by Using End Ferromagnetic Pole Pieces

Publication Year: 2018, Page(s):1686 - 1691
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In this paper, an improved tubular Halbach surface-mounted permanent magnet (HSPM) linear oscillating actuators (LOAs) with end ferromagnetic pole pieces is proposed. Generally, the end magnet rings are exposed to air due to the inherent opening structure of LOA, resulting in a rather larger reluctance of end air gap and a lower air-gap flux density. Therefore, the analysis of the end air gap is o... View full abstract»

• ### Distinct Bearing Faults Detection in Induction Motor by a Hybrid Optimized SWPT and aiNet-DAG SVM

Publication Year: 2018, Page(s):1692 - 1699
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The demand of condition monitoring of induction motors (IM) is progressively increasing to maintain the performance of several important sectors in industry. This issue is of great importance since it prevents IM from failing and breaking down. As most of IM faults occur in bearings, the bearing fault detection (BFD) has become the main topic targeting the optimization of unscheduled downtime and ... View full abstract»

• ### Integration of Iron-Loss Resistance Into Dynamic Models of 2$\times$3-Phase Hybrid-Excited Synchronous Machine

Publication Year: 2018, Page(s):1700 - 1711
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The paper focuses on the modeling of iron losses for synchronous electric machines. Specifically, the paper describes the inclusion of iron-loss resistance parallel to the main inductance of a dual-voltage alternator model. Integration of the iron loss resistance is implemented in two different models: a quadrature direct (QD) axis model and a voltage behind reactance (VBR) model. Simulations with... View full abstract»

• ### A Study on Vibration Characteristics of Brushless DC Motor by Electromagnetic-Structural Coupled Analysis Using Entire Finite Element Model

Publication Year: 2018, Page(s):1712 - 1718
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A target of this study is to propose a 3-D entire finite element model to analyze the vibration characteristics of a brushless direct current motor for more accurate results. In this paper, the accuracy of the 3-D entire finite element model is validated by comparing the results of the impact hammer test. Then, the transient analysis induced by the electromagnetic force is carried out using electr... View full abstract»

• ### A Robust Deadbeat Finite Set Model Predictive Current Control Based on Discrete Space Vector Modulation for a Grid-Connected Voltage Source Inverter

Publication Year: 2018, Page(s):1719 - 1728
Cited by:  Papers (1)
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This paper proposes a deadbeat finite set model predictive current control based on discrete space vector modulation (DSVM) in order to achieve robust characteristics from the grid impedance variation while guaranteeing high performance of output current waveforms and a fixed switching frequency. The proposed DSVM strategy enables to obtain a large number of virtual voltage vectors without complex... View full abstract»

• ### Equivalent Circuits for Single-Sided Linear Induction Motors With Asymmetric Cap Secondary for Linear Transit

Publication Year: 2018, Page(s):1729 - 1738
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Since single-sided linear induction motors working with a lateral asymmetric cap secondary is a frequent operating condition, this paper develops an equivalent circuit model considering the asymmetric condition. First, an analysis model, which takes the longitudinal end effect and skin effect into consideration, is proposed. Second, a transversal analysis model considering the laterally asymmetric... View full abstract»

• ### Improving the Impedance-Based Stability Criterion by Using the Vector Fitting Method

Publication Year: 2018, Page(s):1739 - 1747
Cited by:  Papers (1)
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In this paper, some issues related to the impedance-based stability criterion, such as RHP poles in the minor-loop gain, how to specify source and load impedances, and node-dependent stability margins are discussed and the vector fitting method is used to improve the method. This results in an eigenvalue analysis of the system instead of using the Nyquist diagram, and leads to obtain more informat... View full abstract»

• ### Thermal-Impact-Based Protection of Induction Motors Under Voltage Unbalance Conditions

Publication Year: 2018, Page(s):1748 - 1756
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Voltage unbalance and mechanical overload generate negative effects on induction motors, producing thermal damages in the stator insulation and a reduction of the motor lifetime. In this regard, the development of protection devices is crucial as they can help to maintain the integrity of the motor and avoid irreversible damages such as insulation system breakdown, short-circuits, and so on. In th... View full abstract»

• ### Simple Spec-Based Modeling of Lithium-Ion Batteries

Publication Year: 2018, Page(s):1757 - 1765
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Lithium-ion battery models that estimate their energy content after a series of charge and discharge operations are essential in the optimal design, analysis, and operation of battery-based systems. We focus on the class of battery models that can be calibrated entirely from the batteries manufacturer-provided specifications (spec). Such models are simple to calibrate and are therefore widely used... View full abstract»

• ### SoH-Aware Charging of Supercapacitors With Energy Efficiency Maximization

Publication Year: 2018, Page(s):1766 - 1775
Cited by:  Papers (2)
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Recent years have seen significant advances in supercapacitor-based applications in portable electronics, where the switching resistor circuit acts as a common cell balancing circuit when charging the supercapacitors. However, existing charging control methods suffer from low energy efficiency, leading to considerable energy loss, and thermal heating. In this paper, we propose a state-of-health (S... View full abstract»

• ### Computationally Efficient Design and Optimization Approach of PMa-SynRM in Frequent Operating Torque–Speed Range

Publication Year: 2018, Page(s):1776 - 1786
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This paper proposes a design process of permanent magnet assisted synchronous reluctance motors (PMa-SynRM) intended for vehicular propulsion. This approach takes into account range optimization and a multiphysics evaluation without the use of finite element analysis during the electro-magnetic-thermal optimization stage. The design process is based on a predesign stage to calculate a first approx... View full abstract»

• ### Ship-to-Shore Versus Shore-to-Ship Synchronization Strategy

Publication Year: 2018, Page(s):1787 - 1796
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A novel approach to synchronization of shore and ship power systems is presented in this paper, providing a blackout-free supply from the shore. An application of the shore-to-ship synchronization strategy, proposed in the paper, instead of the commonly used ship-to-shore synchronization, enables a fuller exploitation of the high dynamic offered by power electronic converters. Converters are incre... View full abstract»

• ### Analytical Model of Slotless Brushless PM Linear Motors Considering Different Magnetization Patterns

Publication Year: 2018, Page(s):1797 - 1804
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This paper presents a two-dimensional (2-D) analytical model for plannar linear permanent-magnet (PM) synchronous motors. The general and particular solutions are presented for a slotless single-sided linear PM synchronous motor as a case study. The governing partial differential equations of the motor are formulated for seven regions: mover side exterior, mover back iron, PMs, air-gap, winding, s... View full abstract»

• ### Implementations and Evaluations of Wind Turbine Inertial Controls With FAST and Digital Real-Time Simulations

Publication Year: 2018, Page(s):1805 - 1814
Cited by:  Papers (1)
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This paper presents a novel simulation approach to evaluate new ancillary service controls in the context of large-scale wind power integration. We adopt and compare different types of turbine inertial control methods with the proposed modifications to cope with realistic wind conditions in the field. The simulation procedure is started with the software-based simulation, in which we employ the hi... 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