Results 1 to 10 of about 822 (198)

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

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

A grid voltage perturbations based bidirectional impedance uniform control for grid‐connected DC/AC converter

IET Renewable Power Generation, 2023
For bidirectional grid‐connected DC/AC converters, the power flow variation substantially alters the system stability, and especially severs under heavy load. Towards this problem, this paper proposes a novel impedance uniform control method to eliminate
Li Liu, Yu Ding, Fei Peng, Yanjun Tian, Kun Wang, Zhe Chen   +5 more
doaj   +1 more source

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   +1 more source

Development and Wave Tank Demonstration of a Fully Controlled Permanent Magnet Drive for a Heaving Wave Energy Converter

Energies, 2022
One option for converting the energy in sea waves into renewable electricity is the development of floating wave energy converters coupled to electrical generators.
Nick J. Baker, Ahmed Almoraya, Mohammad A. H. Raihan, Steve McDonald, Luke McNabb   +4 more
doaj   +1 more source

A versatile series‐parallel‐connected bidirectional DC power flow controller for HVDC and MVDC system

IET Generation, Transmission & Distribution, 2023
This paper proposes a transformer type dc power flow controller (DCPFC) based on stacks composed of sub‐modules (SMs). The converter can perform dc power flow control independently on point‐to‐point as well as multi‐terminal connection, which can be ...
Jiuyang Jin, Xiaotian Zhang, Zhilin Xiao, Yanan Ye, Xueao Qiu, Xu Yang   +5 more
doaj   +1 more source

A multi-shift phase angle control strategy for bidirectional wireless power transmission system

Energy Reports, 2022
Using the charging and discharging capability of battery-based loads and a two-way wireless energy transmission system, grid-load balancing can be achieved in both directions.
Renqi Yu, Chentai Xia, Jianyu Lan, Yinghua Dou   +3 more
doaj   +1 more source

A Control Design Technology of Isolated Bidirectional LLC Resonant Converter for Energy Storage System in DC Microgrid Applications

Energies, 2023
This paper presents a new control method for a bidirectional DC–DC LLC resonant topology converter. The proposed converter can be applied to power the conversion between an energy storage system and a DC bus in a DC microgrid or bidirectional power flow ...
You-Kun Tai, Kuo-Ing Hwu
doaj   +1 more source

A Three-Phase Bidirectional Grid-Connected AC/DC Converter for V2G Applications

Journal of Control Science and Engineering, 2020
The smart grid and electric vehicles (EVs) are widely used all over the world. As the key role, the Vehicle-to-Grid (V2G) has been attracting increasing attention.
Jingang Han, Xiong Zhou, Song Lu, Pinxuan Zhao   +3 more
doaj   +1 more source

Research on Commutation and Coordination Control Strategy of Excitation Power Supply Based on Bidirectional Reduced Matrix Converter for Ion Accelerator

Energies, 2018
The contribution of this paper is putting forward a kind of ion accelerator magnet excitation power supply with bidirectional reduced matrix converter (BRMC) as well as a coordination control strategy with bipolar current space vector modulation strategy,
Weizhang Song, Jiang Liu, Xiangdong Sun, Fenjun Wu, Daqing Gao, Youyun Wang   +5 more
doaj   +1 more source