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# IEEE Transactions on Power Electronics

## Filter Results

Displaying Results 1 - 25 of 34
• ### [Front cover]

Publication Year: 2011, Page(s): C1
Cited by:  Papers (1)
| PDF (25 KB)
• ### IEEE Transactions on Power Electronics publication information

Publication Year: 2011, Page(s): C2
| PDF (41 KB)

Publication Year: 2011, Page(s):2093 - 2094
| PDF (81 KB)
• ### High-Efficiency DC–DC Converter With Twin Bus for Dimmable LED Lighting

Publication Year: 2011, Page(s):2095 - 2100
Cited by:  Papers (45)
| | PDF (889 KB) | HTML

An improved twin-bus converter using n + 1 active switches is proposed for the n-string LEDs to be dimmable from true zero to the rated current level. The n-switches that perform the current-loop regulation can operate at very high frequency because of significantly reduced voltage stresses, while achieving high efficiency over a wide load range. The dimming switch, however, can operate at a low f... View full abstract»

• ### The Quantitative Characterization of Symbolic Series of a Boost Converter

Publication Year: 2011, Page(s):2101 - 2105
Cited by:  Papers (10)
| | PDF (609 KB) | HTML

In this letter, the authors put forward a symbolic approach to analyze the nonlinearities of switching power converters. This proposed method can be used to describe bifurcation and chaos behavior by means of coarse-grained symbols. First, the period-doubling structure of a symbolic series is studied in symbolic dynamics. Second, the block entropy, which is the related statistics of subsequences o... View full abstract»

• ### Feed-Forwarding the Output Voltage to Improve Efficiency for Envelope-Tracking Power Supply Based on a Switch-Linear Hybrid Scheme

Publication Year: 2011, Page(s):2106 - 2111
Cited by:  Papers (7)  |  Patents (1)
| | PDF (1092 KB) | HTML

Envelope-tracking (ET) technique is one of the most promising methods to improve the efficiency of the modern wireless communication transmitters, which is based on using a high-efficient power supply to provide varying voltage to the RF power amplifier. For this application, this letter adopts an AB-type linear amplifier and a synchronous rectification buck converter connected in parallel at the ... View full abstract»

• ### Revised Magnetics Performance Factors and Experimental Comparison of High-Flux Materials for High-Current DC–DC Inductors

Publication Year: 2011, Page(s):2112 - 2126
Cited by:  Papers (21)
| | PDF (2493 KB) | HTML

High-flux-density materials, such as iron-based amorphous metal and 6.5% silicon steel for gapped inductors, and powdered alloys for gapless inductors, are very competitive for high-power-density inductors. The high-flux-density materials lead to low weight/volume solutions for high-power dc-dc converters used in hybrid-electric and electric vehicles. In this paper, the analytical selection of the... View full abstract»

• ### Multilevel Circuit Topologies Based on the Switched-Capacitor Converter and Diode-Clamped Converter

Publication Year: 2011, Page(s):2127 - 2136
Cited by:  Papers (41)
| | PDF (1610 KB) | HTML

The novel multilevel circuit topologies are proposed in this paper. They are called multilevel circuit topologies based on switched-capacitor and diode-clamped converters (MCT-BSD). The topology structure and the operation principle, including the working states' transitions of the diode-clamped part, the voltages balancing mechanism of the dc link capacitors, and the pulse width modulated carrier... View full abstract»

• ### Analysis, Design, and Experimentation of a Double Forward Converter With Soft Switching Characteristics for All Switches

Publication Year: 2011, Page(s):2137 - 2148
Cited by:  Papers (10)
| | PDF (1271 KB) | HTML

The study of a topology resulting from the combination of two forward structures attached to a single transformer core is presented in this paper, as a dual active bridge converter is obtained. In order to reduce the switching losses and the electromagnetic interference, a soft commutation cell, which provides zero-voltage commutation of the main switches for the entire load range, is implemented.... View full abstract»

• ### A Precise Passive Current Balancing Method for Multioutput LED Drivers

Publication Year: 2011, Page(s):2149 - 2159
Cited by:  Papers (60)
| | PDF (1943 KB) | HTML

The multistring LED in parallel is a popular structure in backlight and lighting applications. The current balancing for each string is required to achieve uniform luminance and reliable operation. This paper proposes a simple and precise lossless passive current balancing circuit for multiple LED strings application. With a dc block capacitor in series with the transformer secondary side and the ... View full abstract»

• ### Repetitive Compensation of Fluctuating DC Link Voltage for Railway Traction Drives

Publication Year: 2011, Page(s):2160 - 2171
Cited by:  Papers (19)
| | PDF (2088 KB) | HTML

AC-fed railway traction drives suffer from pulsating input power because of the single-phase pulse width modulation rectifier at the front end. An LC filter is often needed at the dc link to absorb the pulsating power. However, this greatly reduces the power density. An effective way to get rid of this clumsy filter is to compensate pulse width calculation of the traction inverter so that it does ... View full abstract»

• ### A Bidirectional Multilevel Boost–Buck DC–DC Converter

Publication Year: 2011, Page(s):2172 - 2183
Cited by:  Papers (23)
| | PDF (2133 KB) | HTML

A novel noninverting boost-buck dc-dc converter topology is presented, applicable when both sides of the converter need to have the same grounding. It is based on the back-to-back connection of two n-level active-clamped or diode-clamped converter legs, and allows bidirectional power flow. A simplified topology is proposed for unidirectional power flow applications. Two new pulse width modulation ... View full abstract»

• ### Parallel Three-Phase Inverters: Optimal PWM Method for Flux Reduction in Intercell Transformers

Publication Year: 2011, Page(s):2184 - 2191
Cited by:  Papers (49)  |  Patents (1)
| | PDF (1386 KB) | HTML

Parallel multilevel converters are now widely used in the industry, particularly in high-current applications such as voltage regulator modules. The reduction of the output current ripple and the increase of its frequency are possible due to the use of interleaving techniques and, as a consequence, the filters associated with the converter may be reduced. The current ripple reduction in each commu... View full abstract»

• ### A Low-Cost Rectifier Topology for Variable-Speed High-Power PMSG Wind Turbines

Publication Year: 2011, Page(s):2192 - 2200
Cited by:  Papers (49)
| | PDF (1423 KB) | HTML

A novel rectifier topology consisting of two three-phase diode bridges and three thyristors is proposed in the paper for variable-speed high-power permanent-magnet synchronous generator (PMSG) wind energy conversion systems (WECSs). The proposed rectifier has several prominent features such as low cost, low power loss, and simple control. Its ability to cascade the input voltages allows it to prop... View full abstract»

• ### High-Efficiency Active DMFC System for Portable Applications

Publication Year: 2011, Page(s):2201 - 2209
Cited by:  Papers (7)
| | PDF (1335 KB) | HTML

We propose a highly efficient active direct-methanol fuel cell system for portable application in this paper. The system is composed of a fuel cell stack, mechanical parts, a smart battery, and circuit parts. The mechanical parts consist of several pumps, a mixer, a liquid separator, and heat exchange modules. The battery enables the operation of the mechanical parts and powers the output load dur... View full abstract»

• ### Performance Enhancement of the Single-Phase Series Active Filter by Employing the Load Voltage Waveform Reconstruction and Line Current Sampling Delay Reduction Methods

Publication Year: 2011, Page(s):2210 - 2220
Cited by:  Papers (19)
| | PDF (1555 KB) | HTML

This paper proposes the waveform reconstruction method (WRM), which is utilized in the single-phase series active filter's (SAF's) control algorithm, in order to extract the load harmonic voltage component of voltage harmonic type single-phase diode rectifier loads. Employing WRM and the line current sampling delay reduction method, a single-phase SAF compensated system provides higher harmonic is... View full abstract»

• ### A Novel Five-Level Three-Phase PWM Rectifier With Reduced Switch Count

Publication Year: 2011, Page(s):2221 - 2228
Cited by:  Papers (9)
| | PDF (515 KB) | HTML

This paper proposes a new circuit topology for a multilevel pulse width modulation (PWM) rectifier. The proposed method forms a new circuit by combining a diode clamp-type topology with a flying capacitor-type topology. The proposed circuit uses only 12 switches, despite the use of a five-level three-phase PWM rectifier. Further, the proposed circuit can obtain good performance, same as a conventi... View full abstract»

• ### Reducing Common-Mode Voltage in Three-Phase Sine-Triangle PWM With Interleaved Carriers

Publication Year: 2011, Page(s):2229 - 2236
Cited by:  Papers (29)
| | PDF (1022 KB) | HTML

Interleaving pulse width modulation (PWM) waveforms is a proven method to reduce ripple in dc-dc converters. The present study explores interleaving for three-phase motor drives. Fourier analysis shows that interleaving the carriers in conventional uniform PWM significantly reduces the common-mode voltage. New digital signal processor (DSP) hardware supports interleaving directly with changes to j... View full abstract»

• ### Control Strategy for Input-Parallel–Output-Parallel Connected High-Frequency Isolated Inverter Modules

Publication Year: 2011, Page(s):2237 - 2248
Cited by:  Papers (19)
| | PDF (2704 KB) | HTML

This paper presents a control strategy for input-parallel-output-parallel (IPOP) connected modular inverter systems. Each modular inverter is composed of a high-frequency isolated dc/dc converter followed by a dc-ac inverter. The control objective of the configuration is to achieve output current sharing among the constituent modules and also can suppress the circulating current among them success... View full abstract»

• ### An Accelerated Test Method for Predicting the Useful Life of an LED Driver

Publication Year: 2011, Page(s):2249 - 2257
Cited by:  Papers (32)
| | PDF (815 KB) | HTML

This paper proposes an accelerated life-test method for LED drivers that use electrolytic capacitors at the output stage. The type of failure considered here is parametric. Estimated failure rates of power components suggest the electrolytic capacitor used at the driver output stage is the weakest link. As an electrolytic capacitor degrades, its capacitance decreases and its equivalent series resi... View full abstract»

• ### An Active Voltage Doubling AC/DC Converter for Low-Voltage Energy Harvesting Applications

Publication Year: 2011, Page(s):2258 - 2265
Cited by:  Papers (35)
| | PDF (973 KB) | HTML

This paper theoretically and experimentally investigates an ac/dc converter for low-voltage vibrational energy harvesting systems. The circuit employs an active-diode-based voltage doubler, where the output is a dc voltage that is twice the amplitude of the input ac voltage. Analytical solutions for the steady-state open-circuit voltage are derived, capturing the effects of the active-diode compar... View full abstract»

• ### A Three-Phase Current-Fed Push–Pull DC–DC Converter With Active Clamp for Fuel Cell Applications

Publication Year: 2011, Page(s):2266 - 2277
Cited by:  Papers (33)
| | PDF (2318 KB) | HTML

In this paper, a new active-clamped three-phase current-fed push-pull dc-dc converter is proposed for high-power applications where low-voltage high-current input sources such as fuel cells are used. The proposed converter has the following features: active clamping of the transient surge voltage caused by transformer leakage inductances, natural zero-voltage switching turn-on of main switches usi... View full abstract»

• ### The Multiple-Output DC–DC Converter With Shared ZCS Lagging Leg

Publication Year: 2011, Page(s):2278 - 2294
Cited by:  Papers (12)
| | PDF (3592 KB) | HTML

A multiple-output dc-dc converter with shared zero-current-switching (ZCS) lagging leg is presented in this paper. In this proposed converter, each output is regulated by the phase shifted between the independent leading legs and the shared lagging leg. The switches in the leading legs process the individual output power and work in zero-voltage switching (ZVS), which are suitable for utilizing th... View full abstract»

• ### A Novel SFVM-M$^{\bm 3}$ Control Scheme for Interleaved CCM/DCM Boundary-Mode Boost Converter in PFC Applications

Publication Year: 2011, Page(s):2295 - 2303
Cited by:  Papers (24)
| | PDF (2052 KB) | HTML

This paper presents an open-loop synchronized-OFF voltage-mode Master-made-modulated (SFVM-M 3) control scheme for a two-phase interleaved boost converter with Master-Slave strategy for power factor correction applications. Interleaving the continuous-conduction-mode and discontinuous-conduction-mode (CCM/DCM) boundary-mode boost converters, however, is complicated because of the variab... View full abstract»

• ### Comparative Evaluation of Three-Phase Current Source Inverters for Grid Interfacing of Distributed and Renewable Energy Systems

Publication Year: 2011, Page(s):2304 - 2318
Cited by:  Papers (47)  |  Patents (1)
| | PDF (1460 KB) | HTML

Despite the rapid growth of self-commutated inverter technology, the well-known current source inverter (CSI) has not achieved significant practical application so far. This raised the question regarding the fundamental criteria that could either prevent or promote the use of such inverters, especially considering emerging fields of application such as grid integration of renewable sources. This p... 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