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Mostrando ítems 1-20 de 27
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A formulation for large-scale transmission expansion planning problem and a solution strategy
Fitiwi Zahlay, Desta; Cuadra García, Fernando; Olmos Camacho, Luis; Rivier Abbad, Michel Luis; Pérez Arriaga, José Ignacio (IEEE Pes (Estocolmo, Suecia), 2013-05-27)The expected deployment of massive renewable energy sources (RES, mainly of wind and solar) at a continental or even intercontinental level creates very complex transmission expansion planning (TEP) problems. Both the size ... -
A new approach of clustering operational states for power network expansion planning problems dealing with RES generation operational variability and uncertainty
Fitiwi Zahlay, Desta; Cuadra García, Fernando; Olmos Camacho, Luis; Rivier Abbad, Michel Luis (2015-10-01)The global drive for integration of renewable energy sources (RESs) means they will have an increasing role in power systems. It is inevitable that such resources introduce more operational variability and uncertainty to ... -
A new dynamic and stochastic distributed generation investment planning model with recourse
Fitiwi Zahlay, Desta; Santos, Sérgio F.; Bizuayehu, Abebe Worke; Shafie-khah, Miadreza; Catalão, João P. S.This paper presents a new dynamic and stochastic decision supporting model for distributed generation investment planning (DGIP). The model is formulated as a mixed integer linear programming (MILP) optimization problem ... -
A new dynamic and stochastic distributed generation investment planning model with recourse
Fitiwi Zahlay, Desta; Santos, Sérgio F.; Bizuayehu, Abebe Worke; Shafie-khah, Miadreza; Catalão, João P. S. (Institute of Electrical and Electronics Engineers Power and Energy Society (Boston, Estados Unidos de América), 2016-07-17)This paper presents a new dynamic and stochastic decision supporting model for distributed generation investment planning (DGIP). The model is formulated as a mixed integer linear programming (MILP) optimization problem ... -
A new intelligent autoreclosing scheme using artificial neural network and Taguchi’s methodology
Fitiwi Zahlay, Desta; Rama Rao, K.S.; Ibrahim, T.B. (IEEE IAS Industrial & Commercial Power Systems Department (Tallahassee, Estados Unidos de América), 2010-05-09)This paper presents a novel intelligent autoreclosure technique to discriminate temporary faults from permanent faults, and accurately determine fault extinction time. A variety of fault simulations are carried out on a ... -
A new intelligent autoreclosing scheme using artificial neural network and Taguchi’s methodology
Fitiwi Zahlay, Desta; Rama Rao, K.S.; Ibrahim, T.B. (2011-01-01)This paper presents a novel intelligent autoreclosure technique to discriminate temporary faults from permanent faults and accurately determine fault extinction time. A variety of fault simulations are carried out on a ... -
Advantages of optimal storage location and size on the economic dispatch in distribution systems
Bizuayehu, Abebe Worke; Fitiwi Zahlay, Desta; Catalão, João P. S.This article presents the impacts of different storage technologies, their size as well as their location on the economic dispatch of a distribution system. The participation of the storage in distribution systems is ... -
Advantages of optimal storage location and size on the economic dispatch in distribution systems
Bizuayehu, Abebe Worke; Fitiwi Zahlay, Desta; Catalão, João P. S. (Institute of Electrical and Electronics Engineers Power and Energy Society (Boston, Estados Unidos de América), 2016-07-17)This article presents the impacts of different storage technologies, their size as well as their location on the economic dispatch of a distribution system. The participation of the storage in distribution systems is ... -
Assessment of ANN-based auto-reclosing scheme developed on single machine-infinite bus model with IEEE 14-bus system model data
Fitiwi Zahlay, Desta; Rama Rao, K.S. (Sin editorial (Singapur, Singapur), 2009-11-23)This paper focuses on methods to discriminate a temporary fault from a permanent one, and accurately determine fault extinction time in an extra high voltage (EHV) transmission line in a bid to develop a self-adaptive ... -
Autoreclosure in extra high voltage lines using Taguchi’s method and optimized neural networks
Fitiwi Zahlay, Desta; Rama Rao, K.S. (Sin editorial (Singapur, Singapur), 2009-01-22)This paper presents a method to discriminate a temporary fault from a permanent one in an extra high voltage (EHV) transmission line so that improper reclosing of the line onto a fault is avoided. The fault identification ... -
Finding a representative network losses model for large-scale transmission expansion planning with renewable energy sources
Fitiwi Zahlay, Desta; Olmos Camacho, Luis; Rivier Abbad, Michel Luis; Cuadra García, Fernando; Pérez Arriaga, José Ignacio (2016-04-15)The global drive for integration of RESs (renewable energy sources) means that TEP (transmission expansion planning) has to be carried out over geographically wide and large-scale networks under high levels of uncertainty. ... -
Impacts of operational variability and uncertainty on distributed generation investment planning: a comprehensive sensitivity analysis
Santos, Sérgio F.; Fitiwi Zahlay, Desta; Bizuayehu, Abebe Worke; Shafie-khah, Miadreza; Asensio, Jose Miguel; Contreras Sanz, Javier; Cabrita, C.M.P.; Catalão, João P. S. (2017-04-01)This paper presents a comprehensive sensitivity analysis to identify the uncertain parameters which significantly influence the decision-making process in distributed generation (DG) investments and quantify their degree ... -
Impacts of optimal energy storage deployment and network reconfiguration on renewable integration level in distribution systems
Santos, Sérgio F.; Fitiwi Zahlay, Desta; Cruz, Marco R.M.; Cabrita, C.M.P.; Catalão, João P. S. (2017-01-01)Nowadays, there is a wide consensus about integrating more renewable energy sources-RESs to solve a multitude of global concerns such as meeting an increasing demand for electricity, reducing energy security and heavy ... -
Influence of distributed storage systems and network switchingreinforcement on RES-based DG integration level
Cruz, Marco R.M.; Fitiwi Zahlay, Desta; Santos, Sérgio F.; Catalão, João P. S.Nowadays, there is a global consensus that integrating renewable energy sources (RES) is highly needed to meet an increasing demand for electricity and reduce the overall carbon footprint of power production. Framed in ... -
Influence of distributed storage systems and network switchingreinforcement on RES-based DG integration level
Cruz, Marco R.M.; Fitiwi Zahlay, Desta; Santos, Sérgio F.; Catalão, João P. S. (Instituto de Engenharia de Sistemas e Computadores, Tecnologia e Ciência (Oporto, Portugal), 2016-06-06)Nowadays, there is a global consensus that integrating renewable energy sources (RES) is highly needed to meet an increasing demand for electricity and reduce the overall carbon footprint of power production. Framed in ... -
Neuro-Prony and Taguchi’s methodology based adaptive autoreclosure scheme for electric transmission systems
Fitiwi Zahlay, Desta; Rama Rao, K.S. (2012-04-01)This paper presents a novel intelligent autoreclosure technique to discriminate temporary faults from permanent faults, and accurately determine fault extinction time. A variety of fault simulations are carried out on a ... -
New multi-stage and stochastic mathematical model for maximizing RES hosting capacity - part I: problem formulation
Santos, Sérgio F.; Fitiwi Zahlay, Desta; Shafie-khah, Miadreza; Bizuayehu, Abebe Worke; Cabrita, C.M.P.; Catalão, João P. S. (2017-01-01)This two-part work presents a new multistage and stochastic mathematical model, developed to support the decision-making process of planning distribution network systems (DNS) for integrating large-scale «clean» energy ... -
New multi-stage and stochastic mathematical model for maximizing RES hosting capacity - part II: numerical results
Santos, Sérgio F.; Fitiwi Zahlay, Desta; Shafie-khah, Miadreza; Bizuayehu, Abebe Worke; Cabrita, C.M.P.; Catalão, João P. S. (2017-01-01)A new multistage and stochastic mathematical model of an integrated distribution system planning problem is described in Part I. The efficiency and validity of this model are tested by carrying out a case study on a standard ... -
Novel multi-stage stochastic DG investment planning with recourse
Santos, Sérgio F.; Fitiwi Zahlay, Desta; Bizuayehu, Abebe Worke; Shafie-khah, Miadreza; Asensio, Jose Miguel; Contreras Sanz, Javier; Cabrita, C.M.P.; Catalão, João P. S. (2017-01-01)This paper presents a novel multi-stage stochastic distributed generation investment planning model for making investment decisions under uncertainty. The problem, formulated from a coordinated system planning viewpoint, ... -
Optimal demand response programs for improving the efficiency of day-ahead electricity markets using a multi attribute decision making approach
Shafie-khah, Miadreza; Fitiwi Zahlay, Desta; Hasani Shoreh, Maryam; Siano, Pierluigi; Osório da Silva, Gerardo José; Lujano-Rojas, Juan M.; Catalão, João P. S.In this paper, an agent-based model is proposed to improve market efficiency by using different Demand Response Programs (DRPs) in the day-ahead electricity market. To this end, both incentive-based and price-based DRPs ...