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Gravitational search algorithm for post-outage bus voltage magnitude calculations 

Ceylan, Oǧuzhan; Ozdemir, Aydogan; Daǧ, Hasan (2010)
Branch outage problem is one of the key problems in power system security analysis. This paper solves branch outage problem using a bounded approach. Local constrained optimization problem in the bounded approach is solved ...
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Harmony search method based parallel contingency analysis 

Ceylan, Oǧuzhan; Daǧ, Hasan; Ozdemir, Aydogan (2010)
Power system security management is one of the key problems in power system analysis. Power system management center operators need to simulate contingencies as fast as possible and take the remedial actions in time. These ...
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Post-outage state estimations for outage management 

Ceylan, Oǧuzhan; Ozdemir, Aydogan; Daǧ, Hasan (IFAC Secretariat, 2011)
Real time outage information is required to the utility operators for outage management process. In addition to some basic information regarding the outage post-outage system status will help to improve the response to ...
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Post outage bus voltage calculations for double branch outages 

Ceylan, Oǧuzhan; Ozdemir, Aydogan; Daǧ, Hasan (IEEE, 2012)
Secure operation of electrical power systems is vital hence fast and accurate post-outage state calculations are important for contingency analysis. Contingency analysis includes simulations of both the single and double ...
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Power Consumption Estimation Using In-Memory Database Computation 

Daǧ, Hasan; Alamin, Mohamed Abdullah Al (Institute of Electrical and Electronics Engineers Inc., 2016)
In order to efficiently predict electricity consumption we need to improve both the speed and the reliability of computational environment. Concerning the speed we use in-memory database which is taught to be the best ...
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HeteroSim: Heterogeneous simulation framework 

Dursun, Taner; Daǧ, Hasan (Association for Computing Machinery, 2009)
In order to arrange heterogeneous simulation executions it would be useful to have simulation tools that enable easy and fast creation of simulation sessions employing real-time software components beside simulation codes. ...
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Towards faster branch outage simulations using simulated annealing and parallel programming 

Ceylan, Oǧuzhan; Ozdemir, Aydogan; Daǧ, Hasan (IEEE, 2009)
Contingency studies such as branch outage and generator outage are among important studies of energy management centers operations. Branch outage modeling on the other hand is one of the basic steps of post-outage state ...
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Branch outage solution using particle swarm optimization 

Ceylan, Oǧuzhan; Ozdemir, Aydogan; Daǧ, Hasan (2008)
For post outage MW line flows and voltage magnitude calculations most of the methods use linear methods because of their simplicity. Especially for reactive power flow calculations one can face high errors. In this paper ...
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Protecting openflow switches against denial of service attacks 

Bahaa-Eldin, Ayman M.; ElDessouky, Ebada Mohamed Essam Eldin Ibrahim; Daǧ, Hasan (Institute of Electrical and Electronics Engineers Inc., 2018)
This paper presents a novel approach to protect Openflow switches against a type of Denial of Service (DoS) attacks. Openflow switches are the core of Software Defined Networks (SDN) and they are very flexible programmable ...
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Implementation of a SDN (Software defined network) 

Ergen, Mithat Sinan; Kutlan, Sarp; Daǧ, Tamer; Daǧ, Hasan (International Institute of Informatics and Systemics IIIS, 2014)
Improving resource efficiency enhancing network security and achieving simpler network management have become the main goals for networking in the previous years. To accomplish these ideas an efficient routing traffic ...

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Ceylan O. (6)Ozdemir A. (6)Alamin, Mohamed Abdullah Al (1)Bahaa-Eldin, Ayman M. (1)Daǧ, Tamer (1)Dursun, Taner (1)ElDessouky, Ebada Mohamed Essam Eldin Ibrahim (1)Ergen, Mithat Sinan (1)Kutlan, Sarp (1)SubjectBranch outage (4)Modeling (4)Optimization (4)Contingency studies (2)Heuristic methods (2)Intelligent methods (2)Control plane (1)Data plane (1)Discrete event simulation (1)DoS (1)... View MoreDate Issued2009 (2)2010 (2)2008 (1)2011 (1)2012 (1)2014 (1)2016 (1)2018 (1)Has File(s)true (7)false (3)

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