# IEEE Transactions on Power Electronics

## Issue 9 • Sept. 2018

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## Filter Results

Displaying Results 1 - 25 of 80

Publication Year: 2018, Page(s):C1 - 7299
| PDF (61 KB)
• ### IEEE Power Electronics Society

Publication Year: 2018, Page(s): C2
| PDF (64 KB)
• ### Mechanism Analysis of the Required Rotor Current and Voltage for DFIG-Based WTs to Ride-Through Severe Symmetrical Grid Faults

Publication Year: 2018, Page(s):7300 - 7304
| | PDF (449 KB) | HTML

Doubly-fed induction generator (DFIG)-based wind turbines is prone to suffering from overcurrent during severe grid faults, due to the high electromotive force. To overcome this problem, various fault ride-through (FRT) control strategies are proposed, but they do not theoretically elaborate how to coordinate the rotor current and voltage to ride-through severe grid faults under the limited capaci... View full abstract»

• ### Design Constraints for Series-Stacked Energy Decoupling Buffers in Single-Phase Converters

Publication Year: 2018, Page(s):7305 - 7308
| | PDF (1063 KB) | HTML

In single-phase dc–ac and ac–dc conversion, energy decoupling is needed to compensate for the instantaneous power mismatch between the ac side and the dc side. The series-stacked buffer (SSB) is a type of active energy decoupling buffer that allows a large voltage ripple on the energy buffering capacitor to improve the energy utilization ratio while actively regulating the dc-bus vol... View full abstract»

• ### Multifrequency Current Control Including Distortion-Free Saturation and Antiwindup With Enhanced Dynamics

Publication Year: 2018, Page(s):7309 - 7313
| | PDF (2370 KB) | HTML

Output-voltage saturation (OVS) in voltage source converters can produce current-control windup. Many OVS and antiwindup (AWU) methods exist for a single-frequency current controller, but they cause additional distortion when applied to multifrequency current control. The latter is important, e.g., for reducing losses in various applications or torque ripple in ac drives. In the existing strategie... View full abstract»

• ### Measurement Methodology for Accurate Modeling of SiC MOSFET Switching Behavior Over Wide Voltage and Current Ranges

Publication Year: 2018, Page(s):7314 - 7325
| | PDF (5953 KB) | HTML Media

This paper presents two novel measurement methods to characterize silicon carbide (SiC) MOSFET devices. The resulting data are utilized to significantly improve the extraction of a custom device model that can now accurately reproduce device switching behavior. First, we consider the $I_{text{d}}- V_{text{ds}}$ output character... View full abstract»

• ### An Ultralow Quiescent Current Power Management System With Maximum Power Point Tracking (MPPT) for Batteryless Wireless Sensor Applications

Publication Year: 2018, Page(s):7326 - 7337
| | PDF (1322 KB) | HTML Media

This paper presents a chip-scale ultralow quiescent current power management system that interfaces with electromechanical energy harvester for enabling self-powering, batteryless wireless sensors. A piezoelectric transducer scavenges and transforms mechanical vibration energy into electricity in ac form, which is then converted into dc power by a full bridge rectifier and collected into a small f... View full abstract»

• ### A Variable Inductor Based LCL Filter for Large-Scale Microgrid Application

Publication Year: 2018, Page(s):7338 - 7348
| | PDF (3949 KB) | HTML

Three-phase LCL filters, compared to L or LC filters, are preferred in high-power converters in microgrid applications because of their better capability of harmonic attenuation. Fixed value inductors are mostly adopted in traditional designs to achieve low current harmonics at rated power. However, due to the intermittent nature of renewable ener... View full abstract»

• ### Generation of High-Resolution 12-Sided Voltage Space Vector Structure Using Low-Voltage Stacked and Cascaded Basic Inverter Cells

Publication Year: 2018, Page(s):7349 - 7358
| | PDF (1614 KB) | HTML

This paper proposes generation of a 15-level (14 concentric) dodecagonal voltage space vector structure (DVSVS) for a star connected induction motor drive. The proposed multilevel DVSVS is obtained by cascading two inverters, namely a primary and secondary inverter. The primary inverter is a five-level (5L) structure formed by stacking two three-level flying capacitors with individual reduced dc s... View full abstract»

• ### Improved Modulation Strategy Using Dual Phase Shift Modulation for Active Commutated Current-Fed Dual Active Bridge

Publication Year: 2018, Page(s):7359 - 7375
| | PDF (2935 KB) | HTML

This paper proposes dual phase shift modulation (DPSM) for active commutated current-fed dual active bridge for low-voltage (LV) high-power application to improve the performance of the converter at light loads. The proposed DPSM uses an additional control variable to actively control the peak current in the converter that helps to improve the performance as compared to simpler single variable but... View full abstract»

• ### On the Concept of the Multi-Source Inverter for Hybrid Electric Vehicle Powertrains

Publication Year: 2018, Page(s):7376 - 7386
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This paper presents an inverter topology named the multi-source inverter that aims to connect several independent DC sources to the same AC output using a single stage of conversion. This power converter has been developed for applications, such as electrified powertrains. Compared to the conventional hybrid powertrains that use a DC/DC converter to provide an adaptable voltage to the load, the mu... View full abstract»

• ### Dual-Purpose Nonoverlapping Coil Sets as Metal Object and Vehicle Position Detections for Wireless Stationary EV Chargers

Publication Year: 2018, Page(s):7387 - 7397
| | PDF (1796 KB) | HTML

For commercialization of wireless stationary electric vehicles (EV) chargers, metal object detection (MOD) on a power supply coil and detection of position (DoP) of EVs are needed. In this paper, dual-purpose nonoverlapping coil sets for both MOD and DoP, which detect a variation of magnetic flux on the power supply coil, are newly proposed, where the proposed MOD and DoP methods make no contribut... View full abstract»

• ### Implementation of the Constant Current and Constant Voltage Charge of Inductive Power Transfer Systems With the Double-Sided LCC Compensation Topology for Electric Vehicle Battery Charge Applications

Publication Year: 2018, Page(s):7398 - 7410
| | PDF (5441 KB) | HTML

When compared to plugged-in chargers, inductive power transfer (IPT) methods for electric vehicle (EV) battery chargers have several benefits, such as greater convenience and higher safety. In an EV, the battery is an indispensable component, and lithium-ion batteries are identified as the most competitive candidate to be used in EVs due to their high power density, long cycle life, and better saf... View full abstract»

• ### A Transformerless 6.6-kV STATCOM Based on a Hybrid Cascade Multilevel Converter Using SiC Devices

Publication Year: 2018, Page(s):7411 - 7423
| | PDF (2589 KB) | HTML

We have developed a full-scale prototype of transformerless static synchronous compensator (STATCOM), rated at 6.6 kV and 100 kVA, based on a hybrid cascade multilevel converter using SiC devices. The topology employs multivoltage converter cells, Si and SiC semiconductor devices, and hybrid modulations in the converters. One phase of the STATCOM has two Si insulated-gate bipolar transistor conver... View full abstract»

• ### Sub- and Super-Synchronous Interactions Between STATCOMs and Weak AC/DC Transmissions With Series Compensations

Publication Year: 2018, Page(s):7424 - 7437
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With the increasing integration of power electronic converters into the power system, the interactions between converters and their adjacent transmissions bring emerging oscillation issues. A new type of sub- and super-synchronous interactions (S$^2$SI) between STATCOMs and the weak AC/DC grid were detected in China Southern Gr... View full abstract»

• ### Analysis of a High-Power, Resonant DC–DC Converter for DC Wind Turbines

Publication Year: 2018, Page(s):7438 - 7454
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This paper is introducing a new method of operation for a series resonant converter, with intended application in megawatt high-voltage dc wind turbines. Compared to a frequency controlled series resonant converter operated in subresonant mode, the method (entitled pulse removal technique) allows the design of the medium frequency transformer for highest switching frequency, while being operated a... View full abstract»

• ### A High-Power, Medium-Voltage, Series-Resonant Converter for DC Wind Turbines

Publication Year: 2018, Page(s):7455 - 7465
| | PDF (2187 KB) | HTML

A new modulation scheme is introduced for a single-phase series-resonant converter, which permits continuous regulation of power from nominal level to zero, in presence of variable input and output dc voltage levels. Rearranging the circuit to locate the resonant LC tank on the rectifier side of the high turns-ratio transformer combined with frequency control and phase-shifted inv... View full abstract»

• ### Improved Modulation Mechanism of Parallel-Operated T-Type Three-Level PWM Rectifiers for Neutral-Point Potential Balancing and Circulating Current Suppression

Publication Year: 2018, Page(s):7466 - 7479
| | PDF (2109 KB) | HTML

In high-power applications, parallel-operated T-type three-level pulse width modulation (PWM) rectifiers (T3LPRs) are widely employed to improve the power capacity and system reliability. For parallel-operated T3LPRs, there are two important issues need to be properly addressed: 1) the neutral-point potential (NPP) balancing, and 2) the zero sequence circulating current (ZSCC) between the common a... View full abstract»

• ### Quasi-Square-Wave Modulation of Modular Multilevel High-Frequency DC Converter for Medium-Voltage DC Distribution Application

Publication Year: 2018, Page(s):7480 - 7495
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In a direct current (dc) distribution network, the modular multilevel high-frequency dc converter (MDCC) can achieve electrical isolation, voltage conversion and power transmission between the low- and medium-voltage dc buses. In this paper, quasi-square-wave (QSW) modulation, which avoids the $dv/ dt$ stress problem and maint... View full abstract»

• ### A Novel Seven-Level ANPC Converter Topology and Its Commutating Strategies

Publication Year: 2018, Page(s):7496 - 7509
| | PDF (2463 KB) | HTML

Traditional seven-level active neutral-point-clamped (ANPC-7L) converters suffer from the problems of dynamic voltage balancing in series switches and multilevel voltage jumping of phase output voltage during switching states transition. This paper presents a novel ANPC-7L topology with auxiliary commutating branches and elaborates on its commutating strategies. The presented topology and its comm... View full abstract»

• ### Achieving Efficiencies Exceeding 99% in a Super-Junction 5-kW DC–DC Converter Power Stage Through the Use of an Energy Recovery Snubber and Dead-Time Optimization

Publication Year: 2018, Page(s):7510 - 7520
| | PDF (1683 KB) | HTML

A highly efficient 5-kW bidirectional dc–dc converter power stage operating from a 400-V supply implementing super-junction (SJ) metal–oxide–semiconductor field-effect transistor (MOSFETs) is presented. SJ MOSFETs have low on-state resistances and low switching losses. However, their application in voltage-source converters can be compromised by the reverse recovery behavior o... View full abstract»

• ### Decentralized Control for Fully Modular Input-Series Output-Parallel (ISOP) Inverter System Based on the Active Power Inverse-Droop Method

Publication Year: 2018, Page(s):7521 - 7530
| | PDF (2017 KB) | HTML

Input-series-output-parallel (ISOP) inverter systems are suitable for the high-input-voltage and large-output-current applications. In this paper, an active power inverse-droop control method is presented for the ISOP inverter system, in which the polarity of active-power feedback is inversed to be positive compared with the traditional droop control while the reactive power droop is still adopted... View full abstract»

• ### Unified Equivalent Steady-State Circuit Model and Comprehensive Design of the LCC Resonant Converter for HV Generation Architectures

Publication Year: 2018, Page(s):7531 - 7544
| | PDF (2019 KB) | HTML

In this paper, a unified equivalent circuit model which can simplify the design and analysis of a family of high-voltage (HV) generation architectures based on the series–parallel (LCC) resonant converter is proposed. First, four HV generation architectures are reviewed in terms of the modularization level of HV transformers and rectifiers. Next, the steady-state, unified e... View full abstract»

• ### High-Frequency Transformer Design for Modular Power Conversion From Medium-Voltage AC to 400 VDC

Publication Year: 2018, Page(s):7545 - 7557
| | PDF (4379 KB) | HTML

This paper presents a high-frequency modular medium-voltage AC (4160 VAC or 13.8 kVAC) to low-voltage DC (400 VDC) system that is scalable in order to be used for different scale microgrids. A 15 kW, 500 kHz DC/DC converter is demonstrated as the most important stage of the system overall, which can be scalable to a 225 kW 4160 VAC to 400 VDC system. Motivation o... View full abstract»

• ### Operation of Three-Level Inverter-Based Shunt Active Power Filter Under Nonideal Grid Voltage Conditions With Dual Fundamental Component Extraction

Publication Year: 2018, Page(s):7558 - 7570
| | PDF (1984 KB) | HTML

In this paper, a new reference current generation method is proposed for effective harmonics mitigation and reactive power compensation of three-level neutral-point diode clamped inverter-based shunt active power filter (SAPF) under nonideal grid voltage conditions. The proposed method is named as dual fundamental component extraction algorithm. In operation, the proposed algorithm extracts at the... View full abstract»

## Aims & Scope

IEEE Transactions on Power Electronics covers fundamental technologies used in the control and conversion of electric power.

Full Aims & Scope