Operation and Control of Grid-Connected Fuel Cell System

This paper describes a dynamic model of a SOFC fuel cell, which can be used in transient stability studies. The model is applied to a distributed utility grid that uses a fuel cell and a gas turbine as distributed generators DGs . Transient stability of the system is investigated for different DGs power outputs using a software developed based on the commercial Power System Tool Box and SIMULINK in MATLAB. A method for interfacing the fuel cell to the grid is presented. Transient stability is enhanced through a control design of the firing angle of the fuel cell inverter for the couple of well-known applications are discussed. 

By Rameez Hassan Pala "Operation and Control of Grid-Connected Fuel Cell System"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-2 , February 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd20317.pdf

Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/20317/operation-and-control-of-grid-connected-fuel-cell-system/rameez-hassan-pala

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Fuel Cell System and Their Technologies A Review

Renewable energy generation is quickly rising in the power sector industry and extensively used for two groups grid connected and standalone system. This paper gives the insights about fuel cell process and application of many power electronics systems. The fuel cell voltage drops bit by bit with increase in current because of losses related with fuel cell. It is difficult to control large rated fuel cell based power system without regulating tool. The issue associated with fuel based structural planning and the arrangements are extensively examined for all sorts of applications. 

In order to increase the reliability of fuel cell based power system, the combination of energy storage system and advanced research methods are focused in this paper. The control algorithms of power architecture for the couple of well-known applications are discussed. Rameez Hassan Pala "Fuel Cell System and Their Technologies: A Review" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-2 , February 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd20316.pdf

Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/20316/fuel-cell-system-and-their-technologies-a-review/rameez-hassan-pala

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STATCOM A Review on Different Configurations and Topologies

Synchronous static compensators STATCOMs have been presented as a member of flexible alternating current transmission systems devices family in both distribution and transmission levels, namely distribution STATCOM and transmission STATCOM, respectively. These compensators have an important role in increasing the power quality in power systems because of having features investigated in various studies and because of the proper implementation of power functions, especially in compensating the voltage flicker. Studies on STATCOM can be categorized in two different parts. 

The first part is about the various topologies of the electronic converters used in the compensator and different arrangements of the coupling transformers with the network, which can be named as the power part. The second part is about theorizing at the control level, which eventually ends in producing the proper gate signals to control the switching of the electronic power switches in the power part. Considering the fact that two comprehensive reviews on STATCOM have been published in 2002 and 2009, this paper based on the aforementioned categorization reviews the studies fulfilled in the field of synchronous static compensator, especially the relevant studies in recent years published in creditable journals. The paper makes connections among the control methods and compares the ideas about power stage from different perspectives, so that conducted studies will be organized in a systematic order. 

By Simranpreet Singh "STATCOM: A Review on Different Configurations and Topologies"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-2 , February 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd20315.pdf

Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/20315/statcom-a-review-on-different-configurations-and-topologies/simranpreet-singh

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Modelling and Control of STATCOM in Power System under Fault Conditions

This paper deals with compensation of frequently time-variable loads by means of 24 pulse STATCOM controllers. An different faults are considered as a heavily distributing load. The STATCOM system was used to ensure good power quality at the point of common coupling. For analysis of the system performance, the PSCAD EMTDC programme was applied. Simulation models of the load and two types of STATCOM controllers, 12-pulse and 24-pulse, are discussed in the paper. A MATLAB Simulink model of a measurement block is also proposed for power quality assessment. Some results of simulation are presented, which show the compensation effectiveness. 

By Simranpreet Singh "Modelling and Control of STATCOM in Power System under Fault Conditions"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-2 , February 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd20314.pdf

Paper URL: https://www.ijtsrd.com/engineering/electrical-engineering/20314/modelling-and-control-of-statcom-in-power-system-under-fault-conditions/simranpreet-singh

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Study and Analysis of Nonlinear Constrained Components A Study of Plug-in Hybrid Electric Vehicle

Today transportation is one of the rapidly evolving technologies in the world. With the stringent mandatory emission regulations and high fuel prices, researchers and manufacturers are ever increasingly pushed to the frontiers of research in pursuit of alternative propulsion systems. Electrically propelled vehicles are one of the most promising solutions among all the other alternatives, as far as reliability, availability, feasibility and safety issues are concerned. However, the shortcomings of a fully electric vehicle in fulfilling all performance requirements make the electrification of the conventional engine powered vehicles in the form of a plug-in hybrid electric vehicle PHEV the most feasible propulsion systems. 

By Sadia Andaleeb "Study and Analysis of Nonlinear Constrained Components (A Study of Plug-in Hybrid Electric Vehicle)"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-2 , February 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd20308.pdf

Paper URL: https://www.ijtsrd.com/engineering/mechanical-engineering/20308/study-and-analysis-of-nonlinear-constrained-components-a-study-of-plug-in-hybrid-electric-vehicle/sadia-andaleeb

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Equilibrium Study of Natural Non Toxic Solvents for Recovery of Trans- Aconitic Acid by Reactive Extraction

Trans-aconitic acid Propene-1 2 3-tricarboxylic acid is an organic acid and is generally found in sugar cane. It is used as accidulent in food industry and can be used in synthesis of plasticizers. It is widely used in tissue engineering application. The present work focused on extraction of Trans- aconitic acid from its aqueous solution by using Aliquat 336 using natural non toxic diluents like Sunflower oil, Groundnut oil and Rice bran oil. Physical extraction and chemical extraction has been done to find out equilibrium parameters such as distribution constant, degree of extraction, loading ratio and equilibrium complexion constant. The experimental results are distribution coefficient sunflower oil 2.81 , groundnut oil 2.80 and for Rice oil 2.92 , degree of extraction 56 to 81 for sunflower oil, 59 to 86 for groundnut oil, 58 to 82 for Rice bran oil , loading ratio 0.5 and equilibrium complexation constant 1.1152 l gm equi for Sunflower oil, 1.6128 l gm equi for groundnut oil and 4.5556 l gm equi for Rice Bran Oil. Water co extraction has also been studied, not more than 3 . 

By R. P. Nimbalkar | R. P. Ugwekar | S. K. Deshmukh "Equilibrium Study of Natural Non Toxic Solvents for Recovery of Trans- Aconitic Acid by Reactive Extraction" 

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-2 , February 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd20252.pdf

Paper URL: https://www.ijtsrd.com/engineering/chemical-engineering/20252/equilibrium-study-of-natural-non-toxic-solvents-for-recovery-of-trans--aconitic-acid-by-reactive-extraction/r-p-nimbalkar

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A Review on Bandwidth Improvement using Metamaterial

Over the past one decade, there is a rapid growth in development of various applications involving wireless communication. The performance of all such wireless systems depends on the design and proper functioning of the antenna. Metamaterials are artificial metallic structures having simultaneously negative permittivity and permeability µ , which leads to negative refractive index.

No other material in the world shows the above properties like Metamaterial. Due to these unusual properties Metamaterial can change the electric and magnetic property of electromagnetic wave passing through it and because of these reasons when Metamaterial is used in the fabrication of antennas the required properties can be enhanced. Using this Metamaterial antenna the demerits of ordinary patch antenna like narrow bandwidth can be overcome. 

By Miss. Varsha Chavan | Mr. Uday Patil "A Review on Bandwidth Improvement using Metamaterial"

Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-2 , February 2019,

URL: https://www.ijtsrd.com/papers/ijtsrd18246.pdf

Paper URL: https://www.ijtsrd.com/engineering/electronics-and-communication-engineering/18246/a-review-on-bandwidth-improvement-using-metamaterial/miss-varsha-chavan

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