Conference Papers
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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.Item Highway mounted horizontal axial flow turbines for wind energy harvesting from cruising vehicles(American Society of Mechanical Engineers (ASME) infocentral@asme.org, 2016) Hegde, S.S.; Thamban, A.; Bhai, S.P.M.; Ahmed, A.; Upadhyay, M.; Joishy, A.; Mahalingam, A.Renewable energy technologies are a growing subject of concern these days. Wind energy is one among the renewable energy sources which has been implemented in a large scale for energy production. A large amount of capital has been invested in this field to harness energy and power homes. Wind energy from highways is usually unused and can provide a considerable amount of wind energy to drive a turbine due to high vehicle traffic and the speed of the vehicles. Extensive research on wind patterns is required to determine the average velocity of the wind created by oncoming vehicles. The objective of this work is to design and analyze a horizontal axis wind turbine to capture wind energy from moving vehicles on the highway. A computational fluid dynamics approach is used to solve this problem. The major innovation in this paper is that wind energy is being harvested in a very unique manner and also turbine power calculations have been done to quantify the amount of energy being harvested. Although a few of the literatures have discussed similar ideas power quantification has never been done. Also the entire mechanism has been simulated in MATLAB to find out the number of cars required to charge a battery which is very unique to this paper. Power calculations have been done for the turbine and validated against theoretical calculations which were done using the concept of velocity triangles. The idea is to have a separate mounting for cars and heavy vehicles which can be realized by having separate lanes on highways. The analysis will be done for vehicles moving in a range of speeds on the highway. The wind turbines will be placed on overhead shafts (the height of which is be determined suitably) thereby capturing the wind generated as a result of pressure difference. The mounts can also be used as signboards for vehicles moving on the highway and hence serve a dual purpose. In addition, extensive structural and fatigue analysis will be done for the turbines and the mounting structures in order to determine a suitable material for the turbine as well as the mounts to withstand the forces generated. Using all of the collected energy, existing amenities such as street lights on the medians can be powered by these wind turbines. Thus the main objective of this work is to complement the conventional electrical energy used for powering amenities along highways by a renewable source of energy (wind power) thereby leading to the concept of sustainable highways. © © 2016 by ASME.Item Modeling and simulation of PMSG-based wind power generation system(Institute of Electrical and Electronics Engineers Inc., 2018) Muniappan, M.; Vittal, K.P.Wind energy is one of the best technologies and widely used source of renewable energy for supplying the electric power to the world due to its environmental and economic advantages. An application of permanent magnet synchronous generator (PMSG) into the wind energy system is continuously increasing. In this paper, the modeling and simulation of a PMSG-based wind power generation system under power system dynamic conditions are presented. The dynamic behavior of the wind power generation system is analyzed during the start-up process and the gust, ramp and noisy variation of wind conditions using PSCAD/EMTDC simulation. © 2018 IEEE.Item Correlation of wind speed and wind turbine reliability in system adequacy assessment(Institute of Electrical and Electronics Engineers Inc., 2018) Nguyen, N.; Almasabi, S.; Mitra, J.; Shenoy, B.B.This paper proposes a new method to evaluate the reliability of a power system in the presence of wind generation, considering the negative correlation of wind turbine reliability and wind speed. Although wind power integration supports the power system by increasing generation, its intermittent nature is a matter of concern. As the integration of wind power systems steadily increases, the reliability of such integrated systems needs re-evaluation. Besides the relationship between wind speed and wind power output, the relationship between wind speed and wind turbine failure rate also has an impact on reliability of a wind farm and needs to be given due consideration. The method proposed in this paper to evaluate system reliability is implemented using the sequential Monte Carlo simulation. The implementation is tested on the IEEE RTS-79 system with relevant modifications. The effectiveness of the proposed method is proved by comparing system reliability indexes with and without considering the impacts of correlation between wind turbine reliability and wind speed. © 2018 IEEE.