هماهنگ سازي بهينه گزينه هاي ايجاد انعطاف در سيستم قدرت و شبكه گاز طبيعي

چكيده انگليسي :

Optimized Coordination of Power System and Natural Gas Network Flexibility Options Sarineh Hacopian Dolatabadi s hacopian@ec iut ac ir September 18 2016 Department of Electrical and Computer Engineering Isfahan University of Technology Isfahan 84156 83111 Iran Degree M Sc Language Farsi Supervisor Dr Mohammad Amin Latify latify@cc iut ac ir Abstract The increasing trend of complexity in the power system due to the utilization of the vast number of options in order tosupport the increasing consumption of the electricity and improve the efficiency level needs new procedures to improvethe performance of the power system from the economic and the technical aspects The challenge in the power systemplanning is attaining the optimal economic performance while the technical performance is acceptably improved In order toachieve to this goal in this thesis we proposed a model to obtain an economically optimal performance of the power systemthrough an optimize coordination of the power system flexibility options To achieve this aim we presented a frameworkto coordinate the power system flexibility options including the allocation and utilization of the electrical energy storagesystems implementation of the demand response programs consideration of the transmission switching possibility and alsoutilization of fast responsive power generation units with higher ramp rate constraints in the power systems to enable thesystem to adapt to the different operational conditions Accordingly as the first step of our proposed modeling procedure forthe power system planning we tried to introduce an optimal planning method associated with the coordinated considerationof the power system flexibility options Afterward as the next step we studied the impacts of the natural gas networkconstraints and limitations on the performance of the power system This approach has been adopted in order to analyze theinterdependency between the power system and the natural gas network To generalize the proposed model of coordinatedoptimization of the power system flexibility options considering the natural gas network constraints aforementioned twonetworks are considered as two parts of a greater system with a considerable impact on the each other At this step wewere aimed at improving the performance of the entire system from the economic and technical aspects As the last stepof modeling the proposed model is enhanced to a stochastic coordinated optimization problem able to encounter with theuncertainties of wind power generation The coordinated optimization problem for the power system flexibility optionsis modeled in the context of a Mixed Integer Linear Programming MILP In order to solve the large scale optimizationproblem proposed in this model we formulated the problem in the form of the Benders Decomposition algorithm Thesimulations of the proposed model implemented on the numerical case studies have been solved by GAMS v 24 1 3 usingthe solver CPLEX v 12 The numerical case studies of this thesis are conducted on modified versions of the IEEE 14 busbenchmark and the Belgian 20 node high calorific gas network adapted for the numerical case studies of this thesis Theanalysis conducted on the results of the proposed model implementation on the studied cases acknowledge the efficiencyof the proposed model at each step of the study on the power system economically optimal performance and the flexibilityimprovement simultaneously under different operational conditions The improvement in the performance of the entiresystem from the technical and the environmental aspects is also among the noticeable achievements of this study Theresults of this study due to the adoption of a holistic approach may help the power system and the natural gas networkoperators and decision makers adopt more economically efficient procedures in order to improve the operational status andissues pertaining to the entire system Key Words Demand Response Energy Storage System Flexibility Options

هاكپيان دولت آبادي، سارينه

هماهنگ سازي بهينه گزينه هاي ايجاد انعطاف در سيستم قدرت و شبكه گاز طبيعي

برنامه ريزي بهينه , پاسخگويي بار , توليد توان بادي , سيستم هاي ذخيره سازي انرژي , شبكه گاز , كليدزني خطوط انتقال , نرخ تغييرات توليد