Configurations, power topologies and applications of hybrid distribution transformers
Distribution systems are under constant stress due to their highly variable operating
conditions, which jeopardize distribution transformers and lines, degrading the end-user …
conditions, which jeopardize distribution transformers and lines, degrading the end-user …
Solid-state transformer and hybrid transformer with integrated energy storage in active distribution grids: Technical and economic comparison, dispatch, and control
Solid-state transformer (SST) and hybrid transformer (HT) are promising alternatives to the
line-frequency transformer (LFT) in smart grids. The SST features medium-frequency …
line-frequency transformer (LFT) in smart grids. The SST features medium-frequency …
On the potential contributions of matrix converters for the future grid operation, sustainable transportation and electrical drives innovation
Matrix converters have been extensively investigated in academia over the last 3 decades.
Several review works targeting matrix converter topologies, commutation strategies …
Several review works targeting matrix converter topologies, commutation strategies …
Modulated predictive control for indirect matrix converter
Finite state model predictive control (MPC) has been recently applied to several converter
topologies, as it can provide many advantages over other MPC techniques. The advantages …
topologies, as it can provide many advantages over other MPC techniques. The advantages …
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 …
distribution network. To overcome the limitations of the existing HDT control schemes, a …
Hybrid distribution transformer based on an existing distribution transformer and a series-connected power converter
This article proposes a new architecture for the hybrid distribution transformer (HDT) with a
partially rated power converter connected in series with the existing distribution transformer …
partially rated power converter connected in series with the existing distribution transformer …
Design of a protection concept for a 100-kVA hybrid transformer
Due to the increasing integration of renewable energies into the distribution grid, a
deterioration of the grid power quality is expected. Consisting of a low-frequency transformer …
deterioration of the grid power quality is expected. Consisting of a low-frequency transformer …
Quasi-proportional-resonant control for the hybrid distribution transformer with LCL-type converters
Y Liu, L Zhang, D Liang, H **, S Li… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Hybrid distribution transformer (HDT) is realized by augmenting the traditional low-frequency
transformer with a fractionally rated converter. This article improves the HDT topology by …
transformer with a fractionally rated converter. This article improves the HDT topology by …
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 …
transformers (HDTs). This article uncovers the basic power flow principle of HDT based on …
A four-leg matrix converter based hybrid distribution transformer for smart and resilient grids
This paper proposes a novel four leg matrix converter based active distribution transformer
(4LMC-ADT), which aims at empowering legacy distribution transformers with on-load …
(4LMC-ADT), which aims at empowering legacy distribution transformers with on-load …