A comprehensive review of power flow controllers in interconnected power system networks

SM Amrr, MSJ Asghar, I Ashraf, M Meraj - IEEE Access, 2020 - ieeexplore.ieee.org
Energy security is one of the most crucial factor in the development of any nation.
Interconnections among different power system networks are made to lower the overall price …

Configurations, power topologies and applications of hybrid distribution transformers

A Carreno, M Perez, C Baier, A Huang, S Rajendran… - Energies, 2021 - mdpi.com
Distribution systems are under constant stress due to their highly variable operating
conditions, which jeopardize distribution transformers and lines, degrading the end-user …

Compound control system of hybrid distribution transformer

Y Liu, D Liang, P Kou, M Zhang, S Cai… - IEEE Transactions …, 2020 - ieeexplore.ieee.org
Hybrid distribution transformer (HDT) is a promising device for constructing the future active
distribution network. To overcome the limitations of the existing HDT control schemes, a …

Power flow analysis and dc-link voltage control of hybrid distribution transformer

Y Liu, D Liang, Y Wang, P Kou, K Zhou… - … on Power Electronics, 2021 - ieeexplore.ieee.org
DC-link voltage control is a key issue for the reliable operation of hybrid distribution
transformers (HDTs). This article uncovers the basic power flow principle of HDT based on …

Single-phase isolated AC-AC converters based on the dual active bridge converter

OC da Silva Filho, FL Tofoli… - IEEE Transactions …, 2021 - ieeexplore.ieee.org
This article presents three single-phase isolated ac–ac converters based on the dual active
bridge (DAB) converter and interleaved transformers. The structures allow obtaining filter …

[PDF][PDF] 混合式配电变压器的动态模型与内环控制系统

柳轶彬, 梁得亮, 王宇珩, 高亚晨… - 电工技术学报, 2021 - dgjsxb.ces-transaction.com
摘要相比传统配电变压器, 混合式配电变压器(HDT) 集成了脉冲宽度调制变换器,
能够对部分传输功率进行调控. 因而不仅具有传统配电变压器电压等级变换和电能传输的基本 …

Modeling and Control of a Hybrid Transformer based on a Cascaded H-bridge Multilevel Converter

A Carreno, M Perez, C Baier… - IECON 2020 The 46th …, 2020 - ieeexplore.ieee.org
Hybrid transformers are an attractive solution for improving power quality problems in
distribution grids, due to the capability of power converters to provide precise current and …

Modeling of direct AC/AC hybrid distribution transformer based on relaxed two port network theory

Y Wang, X Zhang, C Liu, G Cai, Y Liu, K Liu… - Electric Power Systems …, 2024 - Elsevier
Traditional distribution transformers have shortcomings such as poor dynamic
characteristics and unreasonable voltage compensation. It is difficult for them to meet the …

Network partitioning and hierarchical voltage regulation for distribution networks using holomorphic embedding method‐based sensitivity

R Zhang, H Liu, M Yang, J Wang… - IET Generation …, 2023 - Wiley Online Library
The fluctuation of photovoltaics (PVs) output may cause the voltage out‐of‐limit, while the
PV inverters and hybrid distribution transformers (HDTs) bring flexible controllability to …

Hybrid transformers with virtual inertia for future distribution networks

CR Baier, MA Torres, MA Perez… - IECON 2019-45th …, 2019 - ieeexplore.ieee.org
Future distribution grids will require to integrate renewable energies in higher penetration
levels than we are used to today in conventional power systems. To make this possible, key …