ANALYSE CYCLIQUE DE SECURITE DES GRANDS RESEAUX DE TRANSPORT ET D'INTERCONNEXION BASEE SUR LES CONCEPTS DE LA LOCALISATION PDF Download
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Author: HUNG.. LE KIM
Publisher:
ISBN:
Category :
Languages : fr
Pages : 144
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Book Description
DANS LA CONCEPTION ET L'EXPLOITATION DES GRANDS RESEAUX, L'ANALYSE DE LA SECURITE EN TEMPS REEL EST DIFFICILE EN RAISON DU CONFLIT ENTRE LA PRECISION ET LA RAPIDITE DEMANDEES. LA PROCEDURE D'ANALYSE DE SECURITE EST REALISEE PERIODIQUEMENT. POUR UN CYCLE DONNE, D'UN POINT DE VUE HISTORIQUE, ELLE N'UTILISE PAS LES INFORMATIONS RELATIVES A L'ANALYSE EFFECTUEE LORS DU CYCLE PRECEDENT. LE BUT DE NOTRE RECHERCHE EST DE TROUVER ET DE DEVELOPPER LA RELATION EXISTANT ENTRE L'EVALUATION DE LA SECURITE A L'INSTANT T#0 ET L'EVALUATION SUIVANTE (INSTANT T#0+T). CELA REPRESENTE UN INTERET CERTAIN, CAR L'EVALUATION A T#0+T SERA SIMPLIFIEE PAR LA CONNAISSANCE DE L'ETAT DU CYCLE PRECEDENT. UN ALGORITHME GENERAL POUR L'AUTOMATISATION DE L'ANALYSE CYCLIQUE DE SECURITE EST PROPOSE. LES CONCEPTS DE LA LOCALISATION SONT EGALEMENT ETUDIES ET INTRODUITS DANS CET ALGORITHME. AINSI, IL PERMET D'ACCELERER LE CALCUL DES TRANSITS ET DES TENSIONS QUI RESULTENT DE LA PERTE D'UNE BRANCHE DU RESEAU EN TENANT COMPTE DE LA COURBE DE CHARGE JOURNALIERE. LES ESSAIS EFFECTUES SUR LE RESEAU FRANCE 400 KV SIMPLIFIE CONTENANT 206 NUDS ET 299 BRANCHES NOUS MONTRENT LES PERFORMANCES DE LA METHODE
Author: HUNG.. LE KIM
Publisher:
ISBN:
Category :
Languages : fr
Pages : 144
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Book Description
DANS LA CONCEPTION ET L'EXPLOITATION DES GRANDS RESEAUX, L'ANALYSE DE LA SECURITE EN TEMPS REEL EST DIFFICILE EN RAISON DU CONFLIT ENTRE LA PRECISION ET LA RAPIDITE DEMANDEES. LA PROCEDURE D'ANALYSE DE SECURITE EST REALISEE PERIODIQUEMENT. POUR UN CYCLE DONNE, D'UN POINT DE VUE HISTORIQUE, ELLE N'UTILISE PAS LES INFORMATIONS RELATIVES A L'ANALYSE EFFECTUEE LORS DU CYCLE PRECEDENT. LE BUT DE NOTRE RECHERCHE EST DE TROUVER ET DE DEVELOPPER LA RELATION EXISTANT ENTRE L'EVALUATION DE LA SECURITE A L'INSTANT T#0 ET L'EVALUATION SUIVANTE (INSTANT T#0+T). CELA REPRESENTE UN INTERET CERTAIN, CAR L'EVALUATION A T#0+T SERA SIMPLIFIEE PAR LA CONNAISSANCE DE L'ETAT DU CYCLE PRECEDENT. UN ALGORITHME GENERAL POUR L'AUTOMATISATION DE L'ANALYSE CYCLIQUE DE SECURITE EST PROPOSE. LES CONCEPTS DE LA LOCALISATION SONT EGALEMENT ETUDIES ET INTRODUITS DANS CET ALGORITHME. AINSI, IL PERMET D'ACCELERER LE CALCUL DES TRANSITS ET DES TENSIONS QUI RESULTENT DE LA PERTE D'UNE BRANCHE DU RESEAU EN TENANT COMPTE DE LA COURBE DE CHARGE JOURNALIERE. LES ESSAIS EFFECTUES SUR LE RESEAU FRANCE 400 KV SIMPLIFIE CONTENANT 206 NUDS ET 299 BRANCHES NOUS MONTRENT LES PERFORMANCES DE LA METHODE
Author: Nourredine Hadj Sai͏̈d
Publisher:
ISBN:
Category :
Languages : fr
Pages : 174
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Book Description
UN DES ASPECTS IMPORTANTS DE LA CONCEPTION ET DE L'EXPLOITATION DES GRANDS RESEAUX DE TRANSPORT ET D'INTERCONNEXION EST LE MAINTIEN DE LA SECURITE DU SYSTEME. CETTE SECURITE CONCERNE AUSSI BIEN LE PROBLEME DE LA PUISSANCE ACTIVE (LIMITES THERMIQUES) QUE CELUI DE LA PUISSANCE REACTIVE ASSOCIE AUX TENSIONS NODALES (CONTRAINTES D'ISOLATION ET DE STABILITE). A CET EFFET, LE DEVELOPPEMENT DE METHODES NOUVELLES QUI PERMETTERONS A L'OPERATEUR D'EXPLOITER LE RESEAU DE FACON A CE QU'AUCUN ALEA SIMPLE NE PUISSE CAUSER DES DEPASSEMENTS DES LIMITES DE SECURITE DU SYSTEME, EST DEVENU UNE NECESSITE. NOUS PROPOSONS DANS LE CADRE DE CETTE THESE UN ALGORITHME GENERAL POUR L'AUTOMATISATION DE L'ANALYSE DE SECURITE. CET OUTIL EST BASE SUR UNE APPROCHE LOCALE QUI PERMET DE LOCALISER LES EFFETS SIGNIFICATIFS DE LA PERTE D'UNE BRANCHE DU RESEAU, ET D'ACCELERER LE CALCUL DES TENSIONS ET DES TRANSITS QUI EN RESULTENT. AINSI LES CALCULS SONT GLOBAUX DANS LE SENS OU TOUTE LA STRUCTURE DU RESEAU EST REPRESENTEE, ET ILS SONT LOCAUX DANS LE SENS OU SEULS LES CALCULS STRICTEMENT NECESSAIRES SONT EFFECTUES, CECI SANS ALTERER LA PRECISION, CE QUI CONSTITUE LA PUISSANCE DE LA METHODE. LE POINT CRUCIAL DE CETTE METHODE EST LA DETERMINATION PRECISE DE LA REGION PERTURBEE. UNE APPROCHE STRUCTURALE ET ELECTROTECHNIQUE A ETE DEVELOPPEE A CET EFFET. LES ESSAIS ONT ETE EFFECTUES SUR LE RESEAU FRANCE 400 KV SIMPLIFIE CONTENANT 206 NUDS ET 299 BRANCHES
Author: HOREA.. HARSAN
Publisher:
ISBN:
Category :
Languages : fr
Pages : 177
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Book Description
L'UN DES ASPECTS IMPORTANT DE LA CONCEPTION ET DE L'EXPLOITATION DES GRANDS RESEAUX DE TRANSPORT ET D'INTERCONNEXION EST LE MAINTIEN DE LA SECURITE DU SYSTEME. CETTE SECURITE CONCERNE AUSSI BIEN LES LIMITES THERMIQUES SUR LES OUVRAGES DE TRANSPORT QUE LES LIMITES DE TENSION AUX NUDS DU RESEAU (CONTRAINTES D'ISOLATION ET DE STABILITE). A CET EFFET, LE DEVELOPPEMENT DE METHODES NOUVELLES QUI PERMETTRONT A L'OPERATEUR D'EXPLOITER LE RESEAU DE FACON A CE QU'AUCUN INCIDENT NE PUISSE CAUSER LES DEPASSEMENTS DE LIMITES DE SECURITE DU SYSTEME, EST DE PLUS EN PLUS UNE NECESSITE. CETTE THESE PRESENTE UN ALGORITHME GENERAL POUR RENDRE PLUS EFFICACE L'ANALYSE DE SECURITE ET DONC PERMETTRE UNE ANALYSE REELLEMENT SYSTEMATIQUE DES INCIDENTS. CET OUTIL EST BASE SUR L'UTILISATION DES INFORMATIONS INTRINSEQUEMENT CONTENUES DANS LES RESULTATS D'UNE ANALYSE DE SECURITE SYSTEMATIQUE. CES DERNIERES PEUVENT ETRE UTILISEES A DES INSTANTS SUIVANTS EN TEMPS REEL OU POUR CONSTRUIRE LA CARTE DES CONTRAINTES SUR UN HORIZON JOURNALIER. UNE PARTIE IMPORTANTE DE CETTE THESE EST CONSACREE A L'INTEGRATION DE L'ANALYSE DE SECURITE CYCLIQUE DANS LA REALISATION DU COUPLAGE PRODUCTION RESEAU (INTRODUCTION DE LA SECURITE RESEAU DANS LA GESTION PREVISIONNELLE). LES RESULTATS OBTENUS SUR DES DONNEEES DE PLANIFICATION ISSUES DU DISPATCHING NATIONAL MONTRENT UN GAIN DE TEMPS CONSIDERABLE ACQUIT GRACE A L'ANALYSE CYCLIQUE. ELLE SE PRETE EGALEMENT BIEN AUX ANALYSES SUCCESSIVES UTILISEES DANS LES OPTIMISATIONS DU PLAN DE TENSION EN SECURITE N ET N-1. UN DES CHAPITRES DE CETTE THESE TRAITE L'ANALYSE CYCLIQUE DE SECURITE EN PARALLELE. LA VALIDATION DE LA STRATEGIE DE PARALELLISATION CHOISIE A ETE FAITE SUR UN ORDINATEUR PARALLELE CRAY. UNE VERSION REDUITE, EN ANGLAIS, DE CETTE THESE EST PRESENTEE DANS L'ANNEXE 6
Author:
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 250
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Book Description
Author: Aditya Johri
Publisher: Cambridge University Press
ISBN: 1107785855
Category : Technology & Engineering
Languages : en
Pages : 1124
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Book Description
The Cambridge Handbook of Engineering Education Research is the critical reference source for the growing field of engineering education research, featuring the work of world luminaries writing to define and inform this emerging field. The Handbook draws extensively on contemporary research in the learning sciences, examining how technology affects learners and learning environments, and the role of social context in learning. Since a landmark issue of the Journal of Engineering Education (2005), in which senior scholars argued for a stronger theoretical and empirically driven agenda, engineering education has quickly emerged as a research-driven field increasing in both theoretical and empirical work drawing on many social science disciplines, disciplinary engineering knowledge, and computing. The Handbook is based on the research agenda from a series of interdisciplinary colloquia funded by the US National Science Foundation and published in the Journal of Engineering Education in October 2006.
Author: Unesco
Publisher: UNESCO
ISBN: 9231041568
Category : Technology & Engineering
Languages : en
Pages : 392
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Book Description
This report reviews engineering's importance to human, economic, social and cultural development and in addressing the UN Millennium Development Goals. Engineering tends to be viewed as a national issue, but engineering knowledge, companies, conferences and journals, all demonstrate that it is as international as science. The report reviews the role of engineering in development, and covers issues including poverty reduction, sustainable development, climate change mitigation and adaptation. It presents the various fields of engineering around the world and is intended to identify issues and challenges facing engineering, promote better understanding of engineering and its role, and highlight ways of making engineering more attractive to young people, especially women.--Publisher's description.
Author: International Centre for Engineering Education
Publisher: UNESCO Publishing
ISBN: 9231004379
Category : Political Science
Languages : en
Pages : 183
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Book Description
The report highlights the crucial role of engineering in achieving each of the 17 SDGs. It shows how equal opportunities for all is key to ensuring an inclusive and gender balanced profession that can better respond to the shortage of engineers for implementing the SDGs. It provides a snapshot of the engineering innovations that are shaping our world, especially emerging technologies such as big data and AI, which are crucial for addressing the pressing challenges facing humankind and the planet. It analyses the transformation of engineering education and capacity-building at the dawn of the Fourth Industrial Revolution that will enable engineers to tackle the challenges ahead. It highlights the global effort needed to address the specific regional disparities, while summarizing the trends of engineering across the different regions of the world.
Author: Sergio Conti
Publisher:
ISBN:
Category : Business & Economics
Languages : en
Pages : 264
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Book Description
The volume has three main objectives: to illustrate the trends of theoretical analysis in contemporary industrial geography; to establish the strategic central role of company spatial behaviour through the understanding of new theories developed in the framework of managerial sciences and theoretically and conceptually advanced in industrial geography; to reconceptualise in terms of complex systems theory the dynamic of industrial enterprise.
Author: Rob Flickenger
Publisher: "O'Reilly Media, Inc."
ISBN: 9780596005023
Category : Computers
Languages : en
Pages : 190
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Book Description
Building Wireless Community Networks is about getting people online using wireless network technology. The 802.11b standard (also known as WiFi) makes it possible to network towns, schools, neighborhoods, small business, and almost any kind of organization. All that's required is a willingness to cooperate and share resources. The first edition of this book helped thousands of people engage in community networking activities. At the time, it was impossible to predict how quickly and thoroughly WiFi would penetrate the marketplace. Today, with WiFi-enabled computers almost as common as Ethernet, it makes even more sense to take the next step and network your community using nothing but freely available radio spectrum. This book has showed many people how to make their network available, even from the park bench, how to extend high-speed Internet access into the many areas not served by DSL and cable providers, and how to build working communities and a shared though intangible network. All that's required to create an access point for high-speed Internet connection is a gateway or base station. Once that is set up, any computer with a wireless card can log onto the network and share its resources. Rob Flickenger built such a network in northern California, and continues to participate in network-building efforts. His nuts-and-bolts guide covers: Selecting the appropriate equipment Finding antenna sites, and building and installing antennas Protecting your network from inappropriate access New network monitoring tools and techniques (new) Regulations affecting wireless deployment (new) IP network administration, including DNS and IP Tunneling (new) His expertise, as well as his sense of humor and enthusiasm for the topic, makes Building Wireless Community Networks a very useful and readable book for anyone interested in wireless connectivity.
Author: Rob Flickenger
Publisher: "O'Reilly Media, Inc."
ISBN: 9780596005597
Category : Computers
Languages : en
Pages : 310
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Book Description
Continuing with the successful Hack Series, this title provides real-world working examples of how to make useful things happen with wireless equipment.
