Results 21 to 30 of about 1,004,979 (300)

Smart Transformers as Active Interfaces Enabling the Provision of Power-Frequency Regulation Services from Distributed Resources in Hybrid AC/DC Grids

Applied Sciences, 2020
Smart Transformers (STs) are being envisioned as a key element for the controllability of distribution networks in a future context of Renewable Energy Source (RES), Energy Storage System (ESS) and Electric Vehicle (EV) massification.
Justino Rodrigues, Carlos Moreira, João Peças Lopes   +2 more
doaj   +1 more source

Smart Transformer and Low Frequency Transformer Comparison on Power Delivery Characteristics in the Power System [PDF]

, 2019
AEIT 2018 International Annual Conference, Bari, Italy, 3-5 October 2018Smart transformer is a power electronics-based transformer, offering voltage regulation and DC connectivity. As a transformer, its basic function is still power delivery.
Zhu, Rongwu, O'Donnell, Terence, Liserre, Marco, Chen, Junru, O\u27Donnell, Terence   +4 more
core   +1 more source

Smart transformer-based medium voltage grid support by means of active power control

CES Transactions on Electrical Machines and Systems, 2020
In the last decades the voltage regulation has been challenged by the increase of power variability in the electric grid, due to the spread of non-dispatchable generation sources.
Stefano Giacomuzzi, Marius Langwasser, Giovanni De Carne, Giuseppe Buja, Marco Liserre   +4 more
doaj   +1 more source

eolphd/transformer-forecasting: transformer-forecasting

, 2023
<p>Main code and modules of a transformer neural network for environmental time series forecasting, including input data used for test. Orozco-López and Kaplan "Interpretable Transformer Neural Network Prediction of Diverse Environmental Time ...
eolphd
core   +1 more source

Power electronic transformer with adaptive PLL technique for voltage-disturbance ride through

Journal of Modern Power Systems and Clean Energy, 2018
The power electronic transformer (PET) has recently emerged as a type of power converter. It features the basic functions of power conversion and isolation as well as additional functions related to power quality control.
Jianhua WANG, Fangfang LUO, Qing DUAN, Zhendong JI, Binshi GU, Jun YOU, Wei GU, Jianfeng ZHAO   +7 more
doaj   +1 more source

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

Impact of Optimal Control of Distributed Generation Converters in Smart Transformer Based Meshed Hybrid Distribution Network

IEEE Access, 2021
A smart transformer (ST) based meshed hybrid distribution network is realized by extending ST low voltage dc (LVDC) link to form a LVDC line which connects dc buses of existing distributed generation (DG) converters.
Chandan Kumar, Rampelli Manojkumar, Sanjib Ganguly, Marco Liserre   +3 more
doaj   +1 more source

A review on solid-state transformer: A breakthrough technology for future smart distribution grids

, 2021
The modern power systems have now prompted the practice of power electronics-based converters for power conversion purposes, which has emerged a solid-state device named as solid-state transformer (SST).
Mishra, DK, Ghadi, MJ, Li, L, Hossain, MJ, Ray, PK, Mohanty, A, Zhang, J, Mojtaba J. Ghadi, Dillip K. Mishra, Prakash K. Ray, Jiangfeng Zhang, Asit Mohanty, Md. Jahangir Hossain, Li Li   +13 more
core   +1 more source

Computational and experimental verification of the equivalent permeability of the step-lap joints of transformer cores

, 2008
The paper develops an efficient computational method for establishing equivalent characteristics of magnetic joints of transformer cores, with special emphasis on step-lap design.
N. Nihat, E. Napieralska-Juszczak, Sykulski, J. K., Napieralska-Juszczak, E., J.K. Sykulski, J.Ph. Lecointe, Lecointe, J. Ph., Nihat, N.   +7 more
core   +2 more sources

Identification of low voltage distribution transformer–customer connectivity based on unsupervised learning

Energy Reports, 2023
The increased penetration of smart meters in the low voltage distribution network provides valuable insights that distribution network operators can leverage to produce detailed analytics for decision making.
Nameer Al Khafaf, Hui Song, Brendan McGrath, Mahdi Jalili   +3 more
doaj   +1 more source