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Détail de l'auteur
Auteur Bansal, R. C.
Documents disponibles écrits par cet auteur
Affiner la rechercheAnalytical expressions for DG allocation in primary distribution networks / Duong Quoc Hung in IEEE transactions on energy conversion, Vol. 25, N° 3 (Septembre 2010)
in IEEE transactions on energy conversion > Vol. 25, N° 3 (Septembre 2010) . - pp. 814 - 820
Titre : Analytical expressions for DG allocation in primary distribution networks Type de document : texte imprimé Auteurs : Duong Quoc Hung, Auteur ; Mithulananthan, N., Auteur ; Bansal, R. C., Auteur Année de publication : 2011 Article en page(s) : pp. 814 - 820 Note générale : energy conversion Langues : Anglais (eng) Mots-clés : Distributed power generation; distribution networks; load flow; power factor Résumé : This paper proposes analytical expressions for finding optimal size and power factor of four types of distributed generation (DG) units. DG units are sized to achieve the highest loss reduction in distribution networks. The proposed analytical expressions are based on an improvement to the method that was limited to DG type, which is capable of delivering real power only. Three other types, e.g., DG capable of delivering both real and reactive power, DG capable of delivering real power and absorbing reactive power, and DG capable of delivering reactive power only, can also be identified with their optimal size and location using the proposed method. The method has been tested in three test distribution systems with varying size and complexity and validated using exhaustive method. Results show that the proposed method requires less computation, but can lead optimal solution as verified by the exhaustive load flow method. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5552152&sortType%3Das [...] [article] Analytical expressions for DG allocation in primary distribution networks [texte imprimé] / Duong Quoc Hung, Auteur ; Mithulananthan, N., Auteur ; Bansal, R. C., Auteur . - 2011 . - pp. 814 - 820.
energy conversion
Langues : Anglais (eng)
in IEEE transactions on energy conversion > Vol. 25, N° 3 (Septembre 2010) . - pp. 814 - 820
Mots-clés : Distributed power generation; distribution networks; load flow; power factor Résumé : This paper proposes analytical expressions for finding optimal size and power factor of four types of distributed generation (DG) units. DG units are sized to achieve the highest loss reduction in distribution networks. The proposed analytical expressions are based on an improvement to the method that was limited to DG type, which is capable of delivering real power only. Three other types, e.g., DG capable of delivering both real and reactive power, DG capable of delivering real power and absorbing reactive power, and DG capable of delivering reactive power only, can also be identified with their optimal size and location using the proposed method. The method has been tested in three test distribution systems with varying size and complexity and validated using exhaustive method. Results show that the proposed method requires less computation, but can lead optimal solution as verified by the exhaustive load flow method. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5552152&sortType%3Das [...]
in IEEE transactions on industrial electronics > Vol. 53 N° 4 (Aout 2006) . - 1116- 1126 p.
Titre : Automatic Reactive-Power Control of Isolated Wind–Diesel Hybrid Power Systems Titre original : Commande Automatique de Réactif-Puissance des Systèmes d'Alimentation Hybrides Vent-Diesel d'Isolement Type de document : texte imprimé Auteurs : Bansal, R. C., Auteur Article en page(s) : 1116- 1126 p. Note générale : Génie Electrique Langues : Anglais (eng) Mots-clés : Diesel-generator set Induction generator Isolated wind-diesel hybrid power system Reactive-power control Static var compensator Synchronous generator Wind-energy-conversion system.Groupe électrogène diesel Générateur d'induction Système d'alimentation hybride vent-diesel d'isolement compensateur statique de variété de commande de Réactif-puissance Générateur synchrone système de Vent-énergie-conversion. Index. décimale : 621 Ingénierie mécanique en général. Technologie nucléaire. Ingénierie électrique. Machinerie Résumé : This paper presents an automatic reactive-power control of an isolated wind–diesel hybrid power system having an induction generator (IG) for a wind-energy-conversion system and synchronous generator (SG) for a diesel-generator (DG) set. To study the effect of the size of the wind-power generation on the system performance, three examples of the hybrid system are considered with different wind-power-generation capacities. The mathematical model of the system using reactive-power-flow equations is developed. Three different types of static var compensators (SVCs) commonly used in conventional power system along with IEEE type-I excitation are considered to compare their performance in a hybrid system.
Cet article présente une commande automatique de réactif-puissance d'un système d'alimentation hybride vent-diesel d'isolement ayant un générateur d'induction (IG) pour un système de vent-énergie-conversion et le générateur synchrone (SG) pour un diesel-générateur (dg) réglé. Pour étudier l'effet de la taille de la génération de vent-puissance sur l'exécution de système, trois exemples du système hybride sont considérés comme avec différentes capacités de vent-puissance-génération. Le modèle mathématique d'employer de système réactif-puissance-coulent des équations est développé. Trois types différents de compensateurs statiques de variété (SVCs) utilisés généralement dans le système d'alimentation conventionnel avec le type-Je excitation d'IEEE sont considérés comme comparers leur exécution dans un système hybride.DEWEY : 621 ISSN : 0278-0046 En ligne : rcbansal@hotmail.com [article] Automatic Reactive-Power Control of Isolated Wind–Diesel Hybrid Power Systems = Commande Automatique de Réactif-Puissance des Systèmes d'Alimentation Hybrides Vent-Diesel d'Isolement [texte imprimé] / Bansal, R. C., Auteur . - 1116- 1126 p.
Génie Electrique
Langues : Anglais (eng)
in IEEE transactions on industrial electronics > Vol. 53 N° 4 (Aout 2006) . - 1116- 1126 p.
Mots-clés : Diesel-generator set Induction generator Isolated wind-diesel hybrid power system Reactive-power control Static var compensator Synchronous generator Wind-energy-conversion system.Groupe électrogène diesel Générateur d'induction Système d'alimentation hybride vent-diesel d'isolement compensateur statique de variété de commande de Réactif-puissance Générateur synchrone système de Vent-énergie-conversion. Index. décimale : 621 Ingénierie mécanique en général. Technologie nucléaire. Ingénierie électrique. Machinerie Résumé : This paper presents an automatic reactive-power control of an isolated wind–diesel hybrid power system having an induction generator (IG) for a wind-energy-conversion system and synchronous generator (SG) for a diesel-generator (DG) set. To study the effect of the size of the wind-power generation on the system performance, three examples of the hybrid system are considered with different wind-power-generation capacities. The mathematical model of the system using reactive-power-flow equations is developed. Three different types of static var compensators (SVCs) commonly used in conventional power system along with IEEE type-I excitation are considered to compare their performance in a hybrid system.
Cet article présente une commande automatique de réactif-puissance d'un système d'alimentation hybride vent-diesel d'isolement ayant un générateur d'induction (IG) pour un système de vent-énergie-conversion et le générateur synchrone (SG) pour un diesel-générateur (dg) réglé. Pour étudier l'effet de la taille de la génération de vent-puissance sur l'exécution de système, trois exemples du système hybride sont considérés comme avec différentes capacités de vent-puissance-génération. Le modèle mathématique d'employer de système réactif-puissance-coulent des équations est développé. Trois types différents de compensateurs statiques de variété (SVCs) utilisés généralement dans le système d'alimentation conventionnel avec le type-Je excitation d'IEEE sont considérés comme comparers leur exécution dans un système hybride.DEWEY : 621 ISSN : 0278-0046 En ligne : rcbansal@hotmail.com
in IEEE transactions on energy conversion > Vol. 25 N° 2 (Juin 2010) . - pp. 287 - 292
Titre : Effect of voltage and load variations on efficiencies of a motor-pump system Type de document : texte imprimé Auteurs : Kini, P.G., Auteur ; Bansal, R. C., Auteur Année de publication : 2010 Article en page(s) : pp. 287 - 292 Note générale : energy conversion Langues : Anglais (eng) Mots-clés : centrifuges; induction motor drives; pumps Résumé : Centrifugal pumps are the most widely used ac-motor-driven pump systems mainly for water pumping applications. Due to increasing and varying load demand, voltage variation and unbalance is a reality and has to be dealt with carefully. Studies on motor-driven systems under conditions of voltage unbalance have either neglected or maintained constant magnitude of the rotational loss component and focused only on the motor performance while system side performances have not been discussed generally. This paper presents the experimental results of a three-phase induction motor-pump system subjected to voltage and load variations with a view to justify that knowledge of voltage and load variations are very much essential for better result analysis. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5350688&sortType%3Das [...] [article] Effect of voltage and load variations on efficiencies of a motor-pump system [texte imprimé] / Kini, P.G., Auteur ; Bansal, R. C., Auteur . - 2010 . - pp. 287 - 292.
energy conversion
Langues : Anglais (eng)
in IEEE transactions on energy conversion > Vol. 25 N° 2 (Juin 2010) . - pp. 287 - 292
Mots-clés : centrifuges; induction motor drives; pumps Résumé : Centrifugal pumps are the most widely used ac-motor-driven pump systems mainly for water pumping applications. Due to increasing and varying load demand, voltage variation and unbalance is a reality and has to be dealt with carefully. Studies on motor-driven systems under conditions of voltage unbalance have either neglected or maintained constant magnitude of the rotational loss component and focused only on the motor performance while system side performances have not been discussed generally. This paper presents the experimental results of a three-phase induction motor-pump system subjected to voltage and load variations with a view to justify that knowledge of voltage and load variations are very much essential for better result analysis. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5350688&sortType%3Das [...]
in IEEE transactions on energy conversion > Vol. 24 N°1 (Mars 2009) . - pp. 264 - 273
Titre : Optimal control of matrix-converter-based WECS for performance enhancement and efficiency optimization Type de document : texte imprimé Auteurs : V. Kumar, Auteur ; Joshi, R. R., Auteur ; Bansal, R. C., Auteur Année de publication : 2009 Article en page(s) : pp. 264 - 273 Note générale : energy conversion Langues : Anglais (eng) Mots-clés : Asynchronous generators; fuzzy control; matrix convertors; optimal control; optimisation; power factor; power generation control; power grids; wind power plants; wind turbines Résumé : This paper describes a new wind energy conversion scheme, where fuzzy logic principles and four-leg-improved novel matrix converter (MC) model are used for performance enhancement and efficiency optimization, particularly for sites where most of the time low wind speeds prevail. The MC is intended as the interface medium between the induction generator and the utility grid. The power factor at the interface with the grid is controlled by the MC to ensure purely active power injection into the grid for optimal utilization of the installed wind turbine capacity. The generation system has fuzzy logic control with vector control in the inner loops. Fuzzy controller tracks the angular frequency with the wind velocity to extract the maximum power and programs the machine flux for light load efficiency improvement. The complete control system has been developed, analyzed, and validated by simulation study. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4749289&sortType%3Das [...] [article] Optimal control of matrix-converter-based WECS for performance enhancement and efficiency optimization [texte imprimé] / V. Kumar, Auteur ; Joshi, R. R., Auteur ; Bansal, R. C., Auteur . - 2009 . - pp. 264 - 273.
energy conversion
Langues : Anglais (eng)
in IEEE transactions on energy conversion > Vol. 24 N°1 (Mars 2009) . - pp. 264 - 273
Mots-clés : Asynchronous generators; fuzzy control; matrix convertors; optimal control; optimisation; power factor; power generation control; power grids; wind power plants; wind turbines Résumé : This paper describes a new wind energy conversion scheme, where fuzzy logic principles and four-leg-improved novel matrix converter (MC) model are used for performance enhancement and efficiency optimization, particularly for sites where most of the time low wind speeds prevail. The MC is intended as the interface medium between the induction generator and the utility grid. The power factor at the interface with the grid is controlled by the MC to ensure purely active power injection into the grid for optimal utilization of the installed wind turbine capacity. The generation system has fuzzy logic control with vector control in the inner loops. Fuzzy controller tracks the angular frequency with the wind velocity to extract the maximum power and programs the machine flux for light load efficiency improvement. The complete control system has been developed, analyzed, and validated by simulation study. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=4749289&sortType%3Das [...]
in IEEE transactions on energy conversion > Vol. 24 N° 3 (Septembre 2009) . - pp. 750 - 757
Titre : Wind energy analysis for vadravadra site in fiji islands: : a case study Type de document : texte imprimé Auteurs : Prasad Ravita.D, Auteur ; Bansal, R. C., Auteur ; Sauturaga M., Auteur Année de publication : 2010 Article en page(s) : pp. 750 - 757 Note générale : Energy Conversion Langues : Anglais (eng) Mots-clés : Energy consumption--Wind power--Wind turbines Résumé : Rising fuel costs, increased energy consumption, and growing environmental concerns have led mankind to look for alternate sources of energy apart from conventional fuels. One of the promising renewable energy sources is wind energy. For harnessing wind energy from a wind turbine or wind farm, wind resource assessment (WRA) needs to be carried out. WRA will highlight which site is optimum (in terms of economics and wind characteristics) for wind turbine installation and how much would be the estimated energy output from that particular site. This paper presents the estimate for annual wind energy yield for the Vadravadra site in Gau Island in Fiji. It also presents a method for finding the optimum wind turbine that can be installed at a site and the kind of wind turbine that should be installed at a site, where cyclone may hit the area. Note de contenu : Bibiogr. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5224015&sortType%3Das [...] [article] Wind energy analysis for vadravadra site in fiji islands: : a case study [texte imprimé] / Prasad Ravita.D, Auteur ; Bansal, R. C., Auteur ; Sauturaga M., Auteur . - 2010 . - pp. 750 - 757.
Energy Conversion
Langues : Anglais (eng)
in IEEE transactions on energy conversion > Vol. 24 N° 3 (Septembre 2009) . - pp. 750 - 757
Mots-clés : Energy consumption--Wind power--Wind turbines Résumé : Rising fuel costs, increased energy consumption, and growing environmental concerns have led mankind to look for alternate sources of energy apart from conventional fuels. One of the promising renewable energy sources is wind energy. For harnessing wind energy from a wind turbine or wind farm, wind resource assessment (WRA) needs to be carried out. WRA will highlight which site is optimum (in terms of economics and wind characteristics) for wind turbine installation and how much would be the estimated energy output from that particular site. This paper presents the estimate for annual wind energy yield for the Vadravadra site in Gau Island in Fiji. It also presents a method for finding the optimum wind turbine that can be installed at a site and the kind of wind turbine that should be installed at a site, where cyclone may hit the area. Note de contenu : Bibiogr. En ligne : http://ieeexplore.ieee.org/xpl/articleDetails.jsp?arnumber=5224015&sortType%3Das [...]
