Faculty Publications
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Publications by NITK Faculty
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Item Thermal and electrical model of fuel cell in connected to grid/isolated mode(2012) Nayak, S.K.; Gaonkar, D.N.The fuel cell based distributed generation (DG) system are gaining more attention due to stationary operation, reliable power and less maintenance. Among the different types of fuel cell, one of the high temperatures operating promising Solid Oxide Fuel Cell (SOFC) is preferred due to reliable operation and co-generation purpose. This paper presents the thermal and electrical model of SOFC in connected to the grid and isolated model of operation through power electronics interfacing circuit. The developed model SOFC includes the mathematical expression for thermal and electrical parameter variation inside the fuel cell. The developed model for this study is implemented using Matlab/Simulink environment and the simulation results reported in this paper validated the load following performance of SOFC based DG system. © 2012 IEEE.Item Modeling and performance analysis of microturbine generation system in grid connected/islanding mode(2012) Nayak, S.K.; Gaonkar, D.N.The microturbine based distributed generation (DG) system are predicted to play an important role in the distribution network in the near future. The microturbine generation (MTG) system has great impact on the DG system on real time system management and planning. It is popularly accepted that, MTG system are attracting the more attentions towards customers needs in a power generation market. Thus, to investigate the performance of MTG system and their efficient modeling are needed. This paper presents a dynamic modeling and performance analysis of MTG system in grid connected and islanding mode of operation. The model presented in this paper allows the power flow between grid and MTG system. The model of MTG system is built using mathematical expression in Matlab/Simulink environment. The simulation result shows the performance of MTG system for grid connected and islanding operation. © 2012 IEEE.Item Modeling and performance analysis of hybrid fuel cell and microturbine based distributed generation system, 'A review'(2013) Nayak, S.K.; Gaonkar, D.N.The hybrid fuel cell and microturbine based distributed generation(DG) systems are predicted to play an important role in power distribution network in the near future. There are several models of hybrid DG sources such as, wind turbine generation with photovoltaic, tidal with geothermal, fuel cell with gas turbine, stealing engine with fly wheel and many more. Among all these source of DG fuel cell and microturbines are the well suitable hybrid DG system due to their power matching, size and operational relation. This paper presents the current status and future development of hybrid fuel cell and microturbine generation system and the research work of various issues related to their interconnection, operation and control in connected to the power distribution network. © 2013 IEEE.