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Comparison of Isolated DC-DC Converters for Low/Medium Voltage Solid State Transformer applications [PDF]

Journal of Electrical and Electronics Engineering, 2022
This paper presents a comparative evaluation of isolated dc-dc converter topologies used in Solid State Transformers (SST) meant for low/medium voltage standalone applications.
R B Jeyapradha, V Rajini
doaj  

DESIGN AND OPERATION OF A SOLID-STATE TRANSFORMER FOR INTEGRATION OF RENEWABLE ENERGY SYSTEMS

Taikomieji tyrimai studijose ir praktikoje, 2020
Renewable energy-based grid integrations in distribution systems cause changes in the energy structure of the grid such as load flow, short circuit and protection coordination.
Burak Esenboğa, Tuğçe Demirdelen, Mehmet Tümay   +2 more
doaj  

Modeling and Stability Analysis of a Smart Transformer-Fed Grid

IEEE Access, 2020
The interaction of the smart transformer (ST) with the grid-converter-based distributed energy resources (DERs) could trigger instability. Recent research efforts have been made to study the stability issues caused by the resonances (e.g.
Zhixiang Zou, Marco Liserre, Zheng Wang, Ming Cheng   +3 more
doaj   +1 more source

State of the Art of Solid-State Transformers: Advanced Topologies, Implementation Issues, Recent Progress and Improvements

IEEE Access, 2020
Solid-state transformer (SST) is an emerging technology integrating with a transformer power electronics converters and control circuitry. This paper comprehensively reviews the SST topologies suitable for different voltage levels and with varied stages,
Mahammad A. Hannan, Pin Jern Ker, Molla S. Hossain Lipu, Zhen Hang Choi, M. Safwan Abd. Rahman, Kashem M. Muttaqi, Frede Blaabjerg   +6 more
doaj   +1 more source

A Novel Structure of Variable Inductance High-Frequency Transformer for Power Level Enhancement in Dual-Active-Bridge Converters

Energies
This study presents a novel structure proposal of a variable inductance high-frequency transformer for enhancement power level of a dual-active-bridge (DAB) converter.
Cheol-Woong Choi, Jae-Sub Ko, Keun-Yong Yoon, Yong-Un Park, Yun-Soo Kang, Dae-Kyong Kim   +5 more
doaj   +1 more source

An iteration-based design algorithm for high frequency transformer in SSTs and its validation by finite element analysis

Journal of Engineering and Applied Science
This paper proposes an iteration-based algorithm for the optimum design of a high frequency transformer for solid-state transformer (SST) applications.
Sherin Joseph, Shajimon Kalayil John, Pinkymol Kudilil Prasad, Jineeth Joseph, Muraleedharan Nair   +4 more
doaj   +1 more source

Lightning Overvoltage Response Modeling and Protection Design for Solid State Transformer

IEEE Access
The rapid development of the AI and ICT industry has driven massive data center construction. Compared to conventional LFT (line-frequency transformer)-isolated conversion system, SST-based uninterruptible power supply solution offers high efficiency ...
Jiatong Zhang, Jianxiong Yu, Jie Ming, Jiajie Duan, Chushan Li   +4 more
doaj   +1 more source

The Development of Breakdown in Transformer Oil

Advances in Electrical and Electronic Engineering, 2007
The conditions under which breakdown of composite liquid - solid insulation can be occurred, e.g. in transformer, play an important role in designing of such insulation.
Jozef Kudelcik
doaj  

Extreme Fast Charging Technology—Prospects to Enhance Sustainable Electric Transportation

Energies, 2019
With the growing fleet of a new generation electric vehicles (EVs), it is essential to develop an adequate high power charging infrastructure that can mimic conventional gasoline fuel stations.
Deepak Ronanki, Apoorva Kelkar, Sheldon S. Williamson   +2 more
doaj   +1 more source

Voltage and Power Balance Strategy without Communication for a Modular Solid State Transformer Based on Adaptive Droop Control

Energies, 2018
Solid State Transformers (SST) are attracting considerable attention due to their great application potential in future smart grids. It is an essential technology capable of promoting the modernization of the electric power distribution system and it is ...
Welbert A. Rodrigues, Thiago R. Oliveira, Lenin M. F. Morais, Arthur H. R. Rosa   +3 more
doaj   +1 more source