Results 21 to 30 of about 51,243 (269)

Power quality improvement using dynamic voltage restorer in electrical distribution system: an overview [PDF]

open access: yes, 2020
This paper represents a review of the dynamic voltage restorer for power quality improvement in the electrical distribution system. Over the past 50 years, issues concerning power quality have steadily increased, to prevent the effect of the voltage ...
Ali Basim Mohammed   +6 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

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

Impact of high PV penetration on distribution transformer insulation life [PDF]

open access: yes, 2014
The reliable operation of distribution systems is critically dependent on detailed understanding of load impacts on distribution transformer insulation systems. This paper estimates thei mpact of rooftop photovoltaic (PV) generation on a typical 200-kVA,
Wolfs, Peter J.   +10 more
core   +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

Distribution transformer lifetime analysis in the presence of demand response and rooftop PV integration [PDF]

open access: yes, 2017
Many distribution transformers have already exceeded half of their expected service life of 35 years in the infrastructure of Western Power, the electric distribution company supplying south west of Western Australia, Australia.
Behi, Behnaz   +7 more
core   +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

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

Evaluation and improvement of the main insulation structure of 33kV distribution transformer based on FEM [PDF]

open access: yes, 2019
This paper introduces a 2-D FE model to analyze the electric field distribution to evaluate and improve the insulation structure of the 250kVA, 33/0.4kV wound core type distribution transformer using the ANSYS 17.2 by implementing APDL program.
Jebur, Ibrahim Jalil   +1 more
core   +2 more sources

Life time analysis of distribution transformer using experimental design [PDF]

open access: yes, 2016
Click on the DOI link to access the article (may not be free).This paper presents a 24 factorial design to analyze the joint effect of loading, cooling characteristics, ambient temperature, and Oil Time Constant (OTC) on transformer Loss of Life (LOL ...
Heidari-Kapourchali, Mohammad   +9 more
core   +1 more source

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