Results 21 to 30 of about 245,521 (278)

Evaluation of Lightning Impulse Test by Frequency Response Analysis [PDF]

open access: yes, 2006
In this work are presented the basis for improving the interpretation of transformer lightning impulse test and the development of a graphical user interface system, which allows comparisons of time domain data and frequency response.
Ramírez, Jorge, Valecillos, Baudilio
core   +3 more sources

Critical stress of oval foil winding with epoxy coated insulation determined using measured equivalent modulus of elasticity

open access: yesAutomatika, 2020
In the distribution transformers design oval windings are used due to economic advantages. On the other hand, such windings are more susceptible to radial forces in a short circuit.
Nina Meško   +2 more
doaj   +1 more source

An Optimal Phase Arrangement of Distribution Transformers under Risk Assessment

open access: yesEnergies, 2020
This paper presents a phase arrangement procedure for distribution transformers to improve system unbalance and voltage profile of distribution systems, while considering the location and uncertainties of the wind turbine (WT) and photovoltaics (PV ...
Chia-Sheng Tu   +2 more
doaj   +1 more source

Quantification of efficiency improvements from integration of battery energy storage systems and renewable energy sources into domestic distribution networks [PDF]

open access: yes, 2019
Due to the increasing use of renewable, non-controllable energy generation systems energy storage systems (ESS) are seen as a necessary part of future power delivery systems.
Farrag, Mohamed E. A.   +2 more
core   +2 more sources

Island Partition of Distribution System with Distributed Generators Considering Protection of Vulnerable Nodes

open access: yesApplied Sciences, 2017
To improve the reliability of power supply in the case of the fault of distribution system with multiple distributed generators (DGs) and reduce the influence of node voltage fluctuation on the stability of distribution system operation in power ...
Gang Xu, Shunyu Wu, Yuanpeng Tan
doaj   +1 more source

Automatic Voltage Stabilization Using IGBT Based on Load Tap Changer With Fault Consideration

open access: yesIEEE Access, 2021
In this work, a voltage regulation scheme to stabilize voltage variation in the consumer side is proposed. The voltage regulation scheme uses IGBT-based onload tap changer (OLTC) and nonlinear hysteresis control algorithm.
Ali Ahmed Adam Ismail   +2 more
doaj   +1 more source

Impact on Distribution Transformer Life Using Electric Vehicles with Long-Range Battery Capacity

open access: yesEnergies, 2023
This paper presents a comparative analysis of the effects of short-range and long-range electric vehicles charging on transformer life. Long-range vehicles are expected to become more common in the future.
Amanda M. P. Barros   +2 more
doaj   +1 more source

Automatic Load Sharing of Distribution Transformers to Reduce Over all Losses in Distribution network [PDF]

open access: yesE3S Web of Conferences, 2021
An increase in the development of Industries and rapid growth in the population has led to an increase in the power demand in the distribution network.
Ravikumar V, Ranjith S, Bhavyasree T
doaj   +1 more source

Adjustment of model parameters to estimate distribution transformers remaining lifespan [PDF]

open access: yes, 2018
Currently, the electrical system in Argentina is working at its maximum capacity, decreasing the margin between the installed power and demanded consumption, and drastically reducing the service life of transformer substations due to overload (since the ...
Gotay Sardiñas, Jorge   +3 more
core   +1 more source

Month-Wise Investigation on Residential Load Consumption Impact during COVID-19 Period on Distribution Transformer and Practical Mitigation Solution

open access: yesEnergies, 2023
This paper investigates the month-wise impact of COVID-19 conditions on residential load due to people’s presence at home during office hours in Memphis city, Tennessee, USA.
S. M. Mahfuz Alam   +2 more
doaj   +1 more source

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