A Single-Stage Dual-Active-Bridge-Based Soft Switched AC–DC Converter With Open-Loop Power Factor Correction and Other Advanced Features

Weise, Nathan; Castelino, Gysler; Basu, Kaushik; Mohan, Ned

doi:10.1109/tpel.2013.2293112

Cited by 156 publications

(37 citation statements)

References 32 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Another deficiency of the singlestage converters is that all converter functionalities such as the PFC, the galvanic isolation, the suppression of the line frequency harmonics, and the output voltage regulation are performed by a single conversion stage that consequently needs to be designed and optimized within wide specifications. Different types of single-stage, single-phase, bidirectional, and isolated AC-DC converters have been proposed in literature, such as the true bridgeless PFC converter [45] and different variants of the single-stage DAB AC-DC converter topologies [46]- [52], which use matrix-type 'low-frequency AC to high-frequency AC' modules at the AC side. A very promising variant is the single-stage full-bridge full-bridge DAB AC-DC converter presented in [51]- [53] and shown in Figure 12.…”

Section: B Single-stage Ac-dc Converter Topologiesmentioning

confidence: 99%

Overview of the requirements and implementations of bidirectional isolated AC-DC converters for automotive battery charging applications

Sfakianakis

Everts

Lomonova

2015

2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER)

View full text Add to dashboard Cite

This paper is divided into three main parts. In the first part, i.e. Section II, a general outline of the system level aspects regarding battery chargers (power converters) for plug-in electric vehicles (PEVs) is given. Thereby, the different charging modes of the converters, the corresponding power levels, and the infrastructural facilities are discussed. Moreover, Vehicle-to-Grid (V2G) operation by means of grid-forming, grid-feeding, and gridsupporting converter functionality is briefly explained, and the input power quality and electromagnetic compatibility requirements are summarized. In the second part, i.e. Section III, the mutually coupled indices that determine the overall performance of the system, such as power losses (efficiency), volume (power density), weight (specific power), failure rate (reliability), and costs (relative cost), are outlined. In this context, the role that wide band-gap power semiconductors (e.g. SiC, GaN) can play in order to further improve the system performance is highlighted. In the third part, i.e. Section IV, a concise overview of the possible topological implementations for the mentioned power converters is provided. The focus is on conductive, isolated AC-DC converter topologies with high AC input power quality in terms of power factor correction (PFC) and harmonic distortion, and with bidirectional power flow capability in order to facilitate V2G operation.

show abstract

Section: B Single-stage Ac-dc Converter Topologiesmentioning

confidence: 99%

Overview of the requirements and implementations of bidirectional isolated AC-DC converters for automotive battery charging applications

Sfakianakis

Everts

Lomonova

2015

2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER)

View full text Add to dashboard Cite

show abstract

“…Assuming a loss less system, the average dc bus current Zd is obtained by equating the input power to the output power (5). Substituting (1) & (4) in (5), the average dc bus current Zd is obtained in (6).…”

Section: A Nalysismentioning

confidence: 99%

DC ripple current rejection in a bidirectional SiC single-phase AC-DC converter for V2G application

sridhar

Weise

2015

2015 IEEE Transportation Electrification Conference and Expo (ITEC)

View full text Add to dashboard Cite

Single phase electric vehicle battery charging con verters are bulky due to electrolytic capacitors. These capacitors are used to reduce the voltage ripple in the dc bus. These electrolytic capacitors occupy significant volume and suffer from reliability issues. The required capacitance can be greatly reduced by rejecting the ripple current in the dc bus. The ripple current in the dc bus is rejected at the cost of an additional half bridge inverter. The half-bridge inverter injects a current out of phase in reference to the dc bus ripple current. The current is injected by applying a voltage across an energy storage element (Inductor). The voltage across the energy storage element is controlled by the dutycyle of the half-bridge. A mathematical relationship between the voltage applied across the energy storage element and the ripple current in the dc bus is derived. Analysis of the ripple current rejection is performed on a Dual Active Bridge (DAB) based SiC single phase AC-DC converter capable of sinking or sourcing real and reactive power. Simulation results are presented verifying ripple current rejection in the dc bus for various operating conditions. Average modeling of the inverter leg currents over a switching cycle is also presented to highlight distinct inverter leg current profiles.

show abstract

“…However, the grid-side current waveforms of this topology contain high harmonic contents. Figure 8 is a bidirectional single-stage topology based on an AC-DC DAB converter [68][69][70]. The primary side of this topology is a single-phase matrix converter, in which S 1 -S 4 are bidirectional switches.…”

Section: Figurementioning

confidence: 99%

Topology of a Bidirectional Converter for Energy Interaction between Electric Vehicles and the Grid

2014

View full text Add to dashboard Cite

Abstract:In vehicle-to-grid (V2G) systems, electric vehicles interact with the grid as distributed energy storage systems that offer many potential benefits. As an energy interface between a vehicle and the grid, the bidirectional converter plays a crucial role in their interaction. Its reliability, safety, cost, efficiency, weight, size, harmonics, and other factors are of essential importance for V2G realization, especially for on-board operations. Beyond the common existing topologies for bidirectional chargers, this paper introduces a novel high-power-factor bidirectional single-stage full-bridge (BSS-FBC) topology, which offers advantages in power density, size, weight, cost, efficiency, power quality, dynamic characteristic, reliability, and complexity. Its operational principles and control strategies are presented. Harmonic analysis on the basis of double-Fourier integral is performed with detailed comparison of line current harmonic characteristics between the BSS-FBC topology and unipolar/bipolar controlled single-phase pulse width modulation (PWM) converters. A dynamic model of the topology is derived, its dynamic behavior analyzed, and its compensator design method developed. Simulation and experimental results are employed to verify the design and analysis. Design considerations for the key parameters are discussed. A 3.3 kW prototype is developed for this topology and validated in its vehicle applications. The results demonstrate clearly the benefits and advantages of the new topology.

show abstract

A Single-Stage Dual-Active-Bridge-Based Soft Switched AC–DC Converter With Open-Loop Power Factor Correction and Other Advanced Features

Cited by 156 publications

References 32 publications

Overview of the requirements and implementations of bidirectional isolated AC-DC converters for automotive battery charging applications

Overview of the requirements and implementations of bidirectional isolated AC-DC converters for automotive battery charging applications

DC ripple current rejection in a bidirectional SiC single-phase AC-DC converter for V2G application

Topology of a Bidirectional Converter for Energy Interaction between Electric Vehicles and the Grid

Contact Info

Product

Resources

About