Autor: Refaat, Shady S. - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: The effect of protrusions on the initiation of partial discharges in XLPE high voltage cables
Autorzy:: AlShaikh Saleh, Mohammad
Refaat, Shady S.
Olesz, Marek
Abu-Rub, Haitham
Guziński, Jarosław
Powiązania:: https://bibliotekanauki.pl/articles/2173562.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: FEA
finite elements analysis
protrusions
XLPE
water trees
partial discharge
void
space charge
stress enhancement factor
analiza elementów skończonych
kable XLPE
polietylen kablowy
polietylen sieciowany
wyładowanie niezupełne
ładunek przestrzenny
Opis:: This paper is focusing on 3D Finite Elements Analysis (FEA) based modelling of protrusions as defects or imperfections in the XLPE high voltage cable. This study is aiming to examine the impact protrusions have on the initiation of partial discharges. Spherical and ellipsoidal protrusions with different sizes at the conductor screen of the high voltage cable is an essential content of this paper. In addition, a spherical gas-filled void is placed inside and outside the protrusions, and a water tree produced from protrusions is under consideration. The partial discharge influence taking place at the protrusions and the stress enhancement factor is determined for all the variations mentioned to quantify the rise in the inception of partial discharges due to the protrusions.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 1; art. no. e136037
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: The effect of protrusions on the initiation of partial discharges in XLPE high voltage cables
Autorzy:: AlShaikh Saleh, Mohammad
Refaat, Shady S.
Olesz, Marek
Abu-Rub, Haitham
Guziński, Jarosław
Powiązania:: https://bibliotekanauki.pl/articles/2090691.pdf
Data publikacji:: 2021
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: FEA
finite elements analysis
protrusions
XLPE
water trees
partial discharge
void
space charge
stress enhancement factor
analiza elementów skończonych
kable XLPE
polietylen kablowy
polietylen sieciowany
wyładowanie niezupełne
ładunek przestrzenny
Opis:: This paper is focusing on 3D Finite Elements Analysis (FEA) based modelling of protrusions as defects or imperfections in the XLPE high voltage cable. This study is aiming to examine the impact protrusions have on the initiation of partial discharges. Spherical and ellipsoidal protrusions with different sizes at the conductor screen of the high voltage cable is an essential content of this paper. In addition, a spherical gas-filled void is placed inside and outside the protrusions, and a water tree produced from protrusions is under consideration. The partial discharge influence taking place at the protrusions and the stress enhancement factor is determined for all the variations mentioned to quantify the rise in the inception of partial discharges due to the protrusions.
Źródło:: Bulletin of the Polish Academy of Sciences. Technical Sciences; 2021, 69, 1; e136037, 1--9
0239-7528
Pojawia się w:: Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: A Review on Big Data Management and Decision-Making in Smart Grid
Autorzy:: Mohamed, Amira
Refaat, Shady S.
Abu-Rub, Haitham
Powiązania:: https://bibliotekanauki.pl/articles/1193826.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: Big Data
energy management
Big Data analytics
smart grid
decision-making
Opis:: Smart grid (SG) is the solution to solve existing problems of energy security from generation to utilization. Examples of such problems are disruptions in the electric grid and disturbances in the transmission. SG is a premium source of Big Data. The data should be processed to reveal hidden patterns and secret correlations to extrapolate the needed values. Such useful information obtained by the so-called data analytics is an essential element for energy management and control decision towards improving energy security, efficiency, and decreasing costs of energy use. For that reason, different techniques have been developed to process Big Data. This paper presents an overview of these techniques and discusses their advantages and challenges. The contribution of this paper is building a recommender system using different techniques to overcome the most obstacles encountering the Big Data processes in SG. The proposed system achieves the goals of the future SG by (i) analyzing data and executing values as accurately as possible, (ii) helping in decision-making to improve the efficiency of the grid, (iii) reducing cost and time, (iv) managing operating parameters, (v) allowing predicting and preventing equipment failures, and (vi) increasing customer satisfaction. Big Data process enables benefits that were never achieved for the SG application.
Źródło:: Power Electronics and Drives; 2019, 4, 39; 1-13
2451-0262
2543-4292
Pojawia się w:: Power Electronics and Drives
Dostawca treści:: Biblioteka Nauki

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