Results 31 to 40 of about 1,233,761 (302)

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

open access: yesApplied 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   +2 more
doaj   +1 more source

Impact of smart transformer voltage and frequency support in a high renewable penetration system

open access: yesElectric power systems research, 2021
Increasing penetration of power electronics interfaced generation decreases the stability of the system, due to the absence of the rotational inertia in their operation.
Junru Chen   +5 more
semanticscholar   +1 more source

Software-defined networking model for smart transformers with ISO/IEC/IEEE 21451 sensors

open access: yesICT Express, 2017
The advanced IEC 61850 smart transformer has shown an improved performance in monitoring, controlling, and protecting the equipment in smart substations. However, heterogeneity, feasibility, and network control problems have limited the smart transformer’
Longhua Guo   +4 more
doaj   +1 more source

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

open access: yesJournal 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   +7 more
doaj   +1 more source

Modeling and Stability Analysis of a Smart Transformer-Fed Grid

open access: yesIEEE 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   +3 more
doaj   +1 more source

Development of the Smart Transformer Detection Learning Kit Using IoT

open access: yesInternational Journal of Information and Education Technology, 2022
The Internet of Things (IoT) concept is one of the most popular concepts that can be applied from simple things to the smart appliances of today. IoT also helps human life to be more convenient and easier.
Chanudon Chueapram   +4 more
semanticscholar   +1 more source

Operation of Meshed Hybrid Microgrid During Adverse Grid Conditions With Storage Integrated Smart Transformer

open access: yesIEEE Open Journal of the Industrial Electronics Society, 2021
Microgrid faces various challenges such as reverse power flow, peak power demand, voltage limit violations, etc., due to significant installations of renewable energy sources (RESs) and electric vehicles (EVs).
H. V M, Chandan Kumar
semanticscholar   +1 more source

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

open access: yesEnergy 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   +3 more
doaj   +1 more source

Neutral Current Optimization Control for Smart Transformer-Fed Distribution System Under Unbalanced Loads

open access: yesIEEE Journal of Emerging and Selected Topics in Power Electronics, 2021
In a three-phase four-wire low voltage (LV) distribution system, unbalanced loads lead to neutral current (NC) looping resulting in increase of power losses and variation of neutral potential.
Junru Chen   +4 more
semanticscholar   +1 more source

Assessment of Insecurity in Power Systems Using Smart Power Transformers

open access: yesIEEE Access
The intelligent asset operational models in modern power systems can be used to assess insecurity that are not captured by conventional asset models. This paper presents an innovative Markov-chain framework to assess insecurity, proposing an advanced ...
Mohammed Abdullah Alsulami   +1 more
doaj   +1 more source

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