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Resolving Construction Disputes in Times of Crisis: The Theory of Exceptional Circumstances

Autor: Ziad Obeid

Publikováno v: BCDR International Arbitration Review. 4:195-205

The severing of diplomatic ties with Qatar and subsequent application of restrictive measures have highlighted the predicament in which parties to a construction contract may find themselves when external factors affect their performance.This article

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::819c8b7d93fd875613d5620cd8823892
https://doi.org/10.54648/bcdr2017013

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Stand Alone PV House Design for Maximum Power Output in Sydney Australia Metropolitan Area

Autor: Ali Hellany, Jamal Rizk, Ziad Obeid, Khaled Hajar, Mahmood H Nagrial, Ahmad Elrafhi, Mohamad Nassereddine

Publikováno v: MATEC Web of Conferences, Vol 171, p 01001 (2018)

Nowadays, a strong link exists between human comfort and electrical power. Abundant doings are not possible without the support of the electrical energy. Driven by the human obligation to save the environment, the installation of PV solar system incr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bcf77fedbe3b4ed201c99fedf2f50708
https://doaj.org/article/5349ad75340649a887460f0488e6781a

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An application of a centralized model predictive control on microgrids

Autor: Ahmad Hably, Ahmad Elrafhi, Khaled Hajar, Ziad Obeid, Seddik Bacha

Publikováno v: EPEC 2016-IEEE Electrical Power and Energy Conference
EPEC 2016-IEEE Electrical Power and Energy Conference, Oct 2016, Ottawa, Canada

International audience; In this paper, a centralized model predictive control (MPC) is applied on a group of interconnected microgrids (MGs) with the main grid. The objective is to maximize the benefits for all the elements constituting the MGs in ad

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::37c4b577b3c0d5245828bbae71fc836f
https://hal.archives-ouvertes.fr/hal-01385578/document

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Optimal centralized control application on microgrids

Autor: Khaled Hajar, Ziad Obeid, Seddik Bacha, Ahmad Elrafhi, Ahmad Hably

Publikováno v: International Conference on Renewable Energies for Developing countries (REDEC 2016)
International Conference on Renewable Energies for Developing countries (REDEC 2016), Jul 2016, Beyrouth, Lebanon. ⟨10.1109/REDEC.2016.7577549⟩

In this paper, an optimization algorithm has been applied on a group of interconnected microgrids with the main grid. The objective is to maximize the benefits for all the elements of the grid. Results have shown the performance of the proposed algor

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::370cc66aa34644567e1805e63ada2a12
https://hal.archives-ouvertes.fr/hal-01323250

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Electrical Energy Management for Advance Smart Home Systems: Introduction

Autor: Mahmood H Nagrial, Ali Hellany, Khaled Hajar, Jamal Rizk, Mohamad Nassereddine, Ziad Obeid, Ahmad Elrafhi

International audience; Electrical power energy forms an indispensable part of human comfort. Numerous activities would have been impossible without the aid of electricity. The introduction of the PV solar system introduces additional challenges to e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::341324db63d25503cfdd2ccec46f623c
https://hal.archives-ouvertes.fr/hal-01334817

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Optimization of a microgrid with renewable energy and distributed generation: A case study

Autor: Ahmad Hably, Seddik Bacha, Ziad Obeid, Khaled Hajar, Ahmad Elrafhi

Publikováno v: ICSTCC 2015-19th International Conference on System Theory, Control and Computing-Joint Conference SINTES 19, SACCS 15, SIMSIS 19
ICSTCC 2015-19th International Conference on System Theory, Control and Computing-Joint Conference SINTES 19, SACCS 15, SIMSIS 19, Oct 2015, Cheile Gradistei, Romania. ⟨10.1109/ICSTCC.2015.7321369⟩

International audience; In this paper an optimization algorithm is applied on a microgrid with renewable energy and distributed generation. The intermittent electricity in Lebanon leads to widely use diesel generator groups and to install renewable e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::41d020b0a95d182db4c4c25baabef196
https://doi.org/10.1109/icstcc.2015.7321369

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Statistic-based Spectral Indicator for Bearing Fault Detection in Permanent-Magnet Synchronous Machines using the Stator Current

Autor: Antoine Picot, Pascal Maussion, Olivier Darnis, Jeremi Regnier, Ziad Obeid, Sylvain Poignant

Publikováno v: Mechanical Systems and Signal Processing
Mechanical Systems and Signal Processing, Elsevier, 2014, vol. 46, pp. 424-441. ⟨10.1016/j.ymssp.2014.01.006⟩

International audience; In this paper, an original method for bearing fault detection in high speed synchronous machines is presented. This method is based on the statistical process of Welch's periodogram of the stator currents in order to obtain st

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::340211d6a4e8786d9486ddce9f715648
https://hal.archives-ouvertes.fr/hal-01068323

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Bearing fault Detection in Synchronous Machine based on the Statistical Analysis of Stator Current

Autor: Pascal Maussion, Jeremi Regnier, Ziad Obeid, Antoine Picot, Olivier Darnis, Sylvain Poignant

Publikováno v: IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society
38th Annual Conference on IEEE Industrial Electronics Society (IECON 2012)
38th Annual Conference on IEEE Industrial Electronics Society (IECON 2012), Oct 2012, Montréal, Canada. ⟨10.1109/IECON.2012.6389275⟩
IECON

International audience; In this paper, an original method to compute an indicator for efficient detection of bearing defaults in high speed synchronous machines is presented. This indicator is based on the statistical analysis of the stator current s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26af8b04f70d3084c9e68a99e45ff251
https://hal.archives-ouvertes.fr/hal-01430335/document

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Experimental comparison between diagnostic indicators for bearing fault detection in synchronous machine by spectral Kurtosis and energy analysis

Autor: Antoine Picot, Olivier Darnis, Jeremi Regnier, Sylvain Poignant, Pascal Maussion, Ziad Obeid

Publikováno v: IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society
IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society, Oct 2012, Montréal, Canada. pp.3901-3906
IECON

In this paper, some indicators are developed for efficient detection of bearing defaults in high speed synchronous machines. These indicators are based on the analysis of stator current. As bearing defect signatures can be tracked through amplitude i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e2c0eec0822101251f491fd5085f48cd
https://hal.archives-ouvertes.fr/hal-02417706/document

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Stator Current based Indicators for Bearing Fault Detection in Synchronous Machine by Statistical Frequency Selection

Autor: Pascal Maussion, Jeremi Regnier, Sylvain Poignant, Ziad Obeid

Publikováno v: IECON 2011-37th Annual Conference on IEEE Industrial Electronics Society
IEEE IECON 2011, Industrial Electronics CONference
IEEE IECON 2011, Industrial Electronics CONference, Nov 2011, Melbourne, Australia. pp. 2036-2041

International audience; The aim of this paper is to present some indicators developed for efficient detection of bearing defaults in high speed synchronous machines using a stator current analysis. These actuators are used in an air conditioning fan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e6ce0728453977f20ac0f8315455022e
https://hal.archives-ouvertes.fr/hal-01219765

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