Results 31 to 40 of about 51,189 (316)

Transformation of Frequency Distributions [PDF]

open access: yesNature, 1948
FREQUENCY distributions of numbers of eggs, insects, spores, or other biological entities are descriptive of discrete variation, and can never be represented exactly by a normal distribution or by any other distribution of a continuous variate. Nevertheless, when the number of observations and the range of variation is large, such distributions may ...
openaire   +2 more sources

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

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

Efficiency Improvement of an Electric-Grid Transformer Using the Diamagnetism Characteristics of a Bulk Superconductor

open access: yesEnergies, 2022
An innovative method to improve the efficiency of a single-phase electric-grid 125 kVA, 50 Hz shell type and distribution transformer is presented. The diamagnetism characteristic of a bulk high-temperature superconductor (HTS), designed in a specific ...
Daniel Shaked, Eldad Holdengreber
doaj   +1 more source

The S-Transform of Distributions [PDF]

open access: yesThe Scientific World Journal, 2014
Parseval’s formula and inversion formula for the S-transform are given. A relation between the S-transform and pseudodifferential operators is obtained. The S-transform is studied on the spaces𝒮(ℝn)and𝒮′(ℝn).
openaire   +3 more sources

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

open access: yes, 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   +7 more
core   +1 more source

A Real-Time Method to Estimate the Operational Condition of Distribution Transformers

open access: yesEnergies, 2022
In this article, an unsupervised learning method is presented with the objective of modeling, in real-time, the main operating modes (OM) of distribution transformers.
Leandro José Duarte   +2 more
doaj   +1 more source

Experimental validation of using frequency response analysis method in measuring interwinding capacitance of power transformers

open access: yesEngineering Reports, 2019
The interwinding capacitance of transformers describes the diagnostic status of winding‐insulation and its geometry. Naturally, there is a constant drive in improvising the existing methods and to attain accurate information while measuring interwinding ...
Saravanakumar Arumugam
doaj   +1 more source

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