Results 1 to 10 of about 394,421 (202)

Synthesis and Analysis of Three-Port DC/DC Converters with Two Bidirectional Ports Based on Power Flow Graph Technique

Energies, 2021
This paper presents a systematic topological study to derive all possible basic and non-isolated three-port converters (TPCs) using power flow diagrams.
Hamzeh Aljarajreh, Dylan Dah-Chuan Lu, Yam P. Siwakoti, Chi K. Tse, K. W. See   +4 more
doaj   +2 more sources

Stability Evaluation of AC/DC Hybrid Microgrids Considering Bidirectional Power Flow Through the Interlinking Converters

IEEE Access, 2021
The bidirectional power flow through the interlinking converter (IC), in ac/dc hybrid microgrids (HMGs) consisting of distributed generators (DGs) with droop controllers, plays an important role on the stability of such systems during islanding.
Abdelsalam A. Eajal, Harikrishna Muda, Adedayo Aderibole, Mohamed Al Hosani, Hatem Zeineldin, E. F. El-Saadany   +5 more
doaj   +2 more sources

Improvements in Bidirectional Power-Flow Balancing and Electric Power Quality of a Microgrid with Unbalanced Distributed Generators and Loads by Using Shunt Compensators

Energies, 2018
Improper connections of unbalanced distributed generators (DGs) and loads in a three-phase microgrid cause unbalanced and bidirectional power flow problems. The unbalanced DGs and loads may also aggravate the electric power quality (EPQ), such as voltage
Wei-Neng Chang, Chia-Min Chang, Shao-Kang Yen   +2 more
doaj   +2 more sources

Bidirectional Power Flow Control Integrated With Pulse and Sinusoidal-Ripple-Current Charging Strategies for Three-Phase Grid-Tied Converters

IEEE Access, 2021
The objective of this paper is to propose bidirectional charging/discharging strategies for three-phase grid-tied converters. The bidirectional power flow control feature of the converter is able to realize both charging and discharging capability ...
Cheng-Yu Tang, Pon-Tzu Chen, Jia-He Jheng   +2 more
doaj   +2 more sources

High-Efficiency Floating Bidirectional Power Flow Controller for Next-Generation DC Power Network

IEEJ Journal of Industry Applications, 2018
To realize flexible power flow control for DC power networks, we have proposed a bidirectional power flow controller (BPFC) based on a bidirectional buck-boost converter.
Toru Tanaka, Yoshinori Takahashi, Kenji Natori, Yukihiko Sato   +3 more
openaire   +3 more sources

PWM Modulation and Control Strategy for LLC-DCX Converter to Achieve Bidirectional Power Flow in Facing With Resonant Parameters Variation

IEEE Access, 2019
The LLC resonant converter can be used as a dc-dc transformer (DCX) to provide isolation and fixed voltage transfer ratio. For applications requiring bidirectional power transmission, this paper proposes a PWM modulation and control strategy to achieve ...
Jingtao Xu, Jian Yang, Guo Xu, Taowen Jiang, Mei Su, Yao Sun, Hui Wang, Minghui Zheng   +7 more
doaj   +2 more sources

Hybrid Modular Smart Transformer for Asymmetrically Bidirectional Power Flow Operation

CSEE Journal of Power and Energy Systems
The presence of renewable energy resources in LV distribution networks may lead to a distribution transformer, also known as a Smart Transformer (ST), experiencing the bidirectional power flow.
Kangan Wang, Youngjong Ko, Rongwu Zhu, Siyu Wu, Weimin Wu, Marco Liserre   +5 more
doaj   +2 more sources

Highly Efficient High-Voltage MOSFET Converter with Bidirectional Power Flow Legs [PDF]

Journal of Power Electronics, 2014
In terms of power loss, a MOSFET has two advantages over an IGBT with an antiparallel diode: purely resistive without an offset voltage in conduction and no tail current at turn-off. However, the reverse recovery characteristic of the body diode is so poor that MOSFETs have not yet been available for high-voltage power converters with bidirectional ...
Hyung-Min Ryu
openaire   +2 more sources

Fuzzy Logic Controlled Pulse Density Modulation Technique for Bidirectional Inductive Power Transfer Systems

IEEE Access
The human intervention free bidirectional efficient energy exchange between the grid and Electric Vehicles (EVs) relies on effective bidirectional power flow control in Wireless Power Transfer (WPT) system.
Murugan R, R. Narayanamoorthi, Ahmed Emara, Yazeed Yasin Ghadi   +3 more
doaj   +2 more sources

Dynamic Grid Voltage-Based Impedance-Reshaped Control for the Stability Enhancement of Grid-Connected DC/AC Converter System under Bidirectional Power Flow

Energies, 2022
Considering the bidirectional three-phase DC/AC converter, it presents different impedance characteristics on AC side under different power flow directions, resulting in different stability margin.
Li Liu, Kun Wang, Fei Peng, Yanjun Tian, Yi Wang   +4 more
doaj   +1 more source