Zobrazeno 1 - 10
of 12
pro vyhledávání: '"Hany Elghazaly"'
Publikováno v:
Ain Shams Engineering Journal. 11:1113-1121
In this paper, a fault location scheme is introduced for multi-terminal double-circuit untransposed lines with multiple tap-nodes and multiple branches emanating from the same tap-node. The proposed scheme consists of two steps. In the first step, a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e77d0896aad38ff0d9da482c00abfc6a
https://doi.org/10.1016/j.asej.2020.03.001
https://doi.org/10.1016/j.asej.2020.03.001
Publikováno v:
IEEE Systems Journal. 13:813-822
Wide-area fault detection and location for cross-country and evolving faults have not been discussed before in the open literature. This paper presents an innovative wide-area backup protection scheme for untransposed transmission lines considering c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb00e3e78fac3f3a7de4a42d24efd641
https://doi.org/10.1109/jsyst.2018.2827938
https://doi.org/10.1109/jsyst.2018.2827938
Publikováno v:
IEEE Transactions on Smart Grid. 9:5653-5663
This paper presents a backup non-iterative protection technique for three-terminal multisection compound untransposed double-circuit transmission lines using synchronized phasor measurement units. The proposed technique is based on a distributed line
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9cec4594a28eb0343e4d8922ea9e22a3
https://doi.org/10.1109/tsg.2017.2693322
https://doi.org/10.1109/tsg.2017.2693322
Publikováno v:
2019 21st International Middle East Power Systems Conference (MEPCON).
Differential protection is the main protection for power transformers. The rapid gross of power network increased number and types of faults. External line to ground faults cause zero sequence current (ZSC) passing through power transformer leading t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::159b94ce3bd144c43858698e6f33af02
https://doi.org/10.1109/mepcon47431.2019.9008044
https://doi.org/10.1109/mepcon47431.2019.9008044
Publikováno v:
Electric Power Systems Research. 154:266-275
This paper proposes a new fault location scheme in the phase-domain for three-terminal untransposed double-circuit transmission lines utilizing synchronized voltage and current measurements obtained by GPS technique. The proposed scheme is derived ta
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1d14489a33e96df821f3432735700451
https://doi.org/10.1016/j.epsr.2017.08.038
https://doi.org/10.1016/j.epsr.2017.08.038
Publikováno v:
2016 Eighteenth International Middle East Power Systems Conference (MEPCON).
This paper proposes a backup protection technique for two-terminal compound untransposed transmission lines using synchronized phasor measurement units. The proposed technique can be applied for single or double circuit transmission lines considering
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2d34115ffc323433513c9f4c48917413
https://doi.org/10.1109/mepcon.2016.7836882
https://doi.org/10.1109/mepcon.2016.7836882
Autor:
Hany Elghazaly
Publikováno v:
Conference Record of the 1991 IEEE Industry Applications Society Annual Meeting.
The spreadsheet solution of the finite difference method has been extended. The difference equation has been modified to accommodate the case of irregular curved boundaries. Three different approximations are presented to cover the interpolation of d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c983793cb8498422352817295405d51
https://doi.org/10.1109/ias.1991.178235
https://doi.org/10.1109/ias.1991.178235
Publikováno v:
IAS '97. Conference Record of the 1997 IEEE Industry Applications Conference Thirty-Second IAS Annual Meeting.
The molten metal spraying technique has been used for restoring the original dimensions of some worn machine elements in Egypt as well as all over the world. In some cases, the droplets are poorly deposited over the surface causing spalling or failur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04bcd3095457e7746d30502ae0126f3e
https://doi.org/10.1109/ias.1997.626297
https://doi.org/10.1109/ias.1997.626297
Autor:
G.S.P. Castle, Hany Elghazaly
Publikováno v:
AIP Conference Proceedings.
In previous studies, the authors introduced an analytical model to predict the final state for both single sibling and multi‐sibling breakups. In order to verify the validity of this model, charged droplets of water were formed at the tip of capill
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::86f400bb82f9607067770a878dc179de
https://doi.org/10.1063/1.38973
https://doi.org/10.1063/1.38973
Autor:
G.S.P. Castle, Hany Elghazaly
Publikováno v:
IEEE Transactions on Industry Applications. 25:48-53
Charged droplets of water were formed at the tip of a capillary tube raised to high potential and subjected to external electric fields. The nozzle characteristics were tested to identify the different ejection modes. Under some conditions of electri
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::822db4af8f424b0fbbbaccbcd1cad18d
https://doi.org/10.1109/28.18868
https://doi.org/10.1109/28.18868