Design and Implementation of a DSP Based Digital Controller for a Dual Half Bridge Isolated Bi-directional dc-dc Converter

Liu, Danwei; Li, Hui

doi:10.1109/apec.2006.1620614

Cited by 14 publications

(6 citation statements)

References 5 publications

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“…Additionally, the half-bridge (HB) LLC and dual HB (DHB) topologies may be utilized to minimize the number of active switches since the HB topology only has two active switches on each side, which can reduce the converter's cost and losses [174]- [175]. Unlike the full-bridge (FB) design, the applied voltage is half of the DC-link voltage, advantageous for M/HFT design.…”

Section: B Back-end Dc/dc Convertersmentioning

confidence: 99%

An Overview on Medium Voltage Grid Integration of Ultra-Fast Charging Stations: Current Status and Future Trends

Ahmad

Qin

Wijekoon

et al. 2022

IEEE Open J. Ind. Electron. Soc.

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The emphasis on clean and green technologies to curtail greenhouse gas emissions due to fossil fuel-based economies has originated the shift towards electric mobility. As on-road electric vehicles (EVs) have shown exponential growth over the last decade, so have the charging demands. The provision of charging facilities from the low-voltage network will not only increase the distribution system's complexity and dynamics but will also challenge its operational capabilities, and large-scale upgrades will be required to meet the inevitably increasing charging demands. An ultra-fast (UF) charging infrastructure that replicates the gasoline refueling network is urgently needed to facilitate a seamless transition to EVs and ensure smooth operation. This paper presents a review of state-of-the-art DC fast chargers, the charging infrastructure's current status, motivation, and challenges for medium-voltage (MV) UF charging stations (UFCS). Furthermore, we consider the possible UFCS architectures and suitable power electronics topologies for UF charging applications. To address the peak formation issues in the daily load profile and high operational expenses of UFCSs, integration of renewable energy sources and energy storage systems due to their technological and economic benefits is being considered. The benefits of line frequency transformer (LFT) replacement with a solid-state transformer (SST), SST models, SST-based UF chargers, and MV SST-based UFCS architectures, as well as related MV active front-end and back-end power electronics topologies, are presented. Finally, the application of microgrids' hierarchical control architecture is considered for chargers and system-level control and management of UFCSs.INDEX TERMS Electric vehicles (EVs), DC fast chargers, ultra-fast charging stations (UFCS), renewable energy sources (RESs), energy storage systems (ESSs), line frequency transformer (LFT), solid state transformer (SST).

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Section: B Back-end Dc/dc Convertersmentioning

confidence: 99%

An Overview on Medium Voltage Grid Integration of Ultra-Fast Charging Stations: Current Status and Future Trends

Ahmad

Qin

Wijekoon

et al. 2022

IEEE Open J. Ind. Electron. Soc.

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“…To simplify the control, we consider the output voltage as the control object and use the phase shift control technology to regulate it. Meantime, the duty control also can be use to balance the LVS and HVS voltages [6] [7].…”

Section: E the Control Strategymentioning

confidence: 99%

A three phase ZVS bidirectional DC-DC converter

Pang

Huang

Wang

2008

2008 IEEE Vehicle Power and Propulsion Conference

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The purpose of the article is to introduce a new DC-DC converter typology, which has the advantages of simple circuit typology with no total device rating penalty, softswitching implementation without additional devices, simple control and low cost. It is promising for medium and high power applications where high power density, low cost and high reliability power converters are required, such as fuel cell vehicles. We work on the three phase typology, including the phase shift control principles, the phase shift control strategy, soft switching realization conditions and method. By computer simulation and experiment, the theoretical results can be verified or modified. Finally, the simulation and experiment results are presented.

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“…Digital control strategies are commonly used to increase the switching mode power supplies (SMPS) versatility and environmental stability compared to the analogue regulation mechanisms [1, 2]. Controllers based on digital signal processors (DSPs), microcontrollers or field‐programmable gate arrays (FPGAs) are more suitable for advanced regulation schemes [3]. The digital power supply control provides better performance through an adaptive and non‐linear control response.…”

Section: Introductionmentioning

confidence: 99%

High resolution FPGA pulse width modulation control of full‐bridge DC–DC converters

Tomov

Iliev

Krasteva

2020

IET Circuits, Devices & Systems

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Design and Implementation of a DSP Based Digital Controller for a Dual Half Bridge Isolated Bi-directional dc-dc Converter

Cited by 14 publications

References 5 publications

An Overview on Medium Voltage Grid Integration of Ultra-Fast Charging Stations: Current Status and Future Trends

An Overview on Medium Voltage Grid Integration of Ultra-Fast Charging Stations: Current Status and Future Trends

A three phase ZVS bidirectional DC-DC converter

High resolution FPGA pulse width modulation control of full‐bridge DC–DC converters

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