Zobrazeno 1 - 10
of 30
pro vyhledávání: '"E. da Costa Bortoni"'
Publikováno v:
IEEE Transactions on Energy Conversion. 26:1134-1139
The calorimetric method has for a long time been applied for energy conversion efficiency measurement in electrical machines. The number of temperature sensors necessary for its successful application in the field constitutes in one of the major draw
Autor:
L.E. de Souza, Laerte dos Santos, E da Costa Bortoni, M. A. C. Craveiro, Guilherme Sousa Bastos
Publikováno v:
IEEE Transactions on Power Delivery. 26:501-506
This paper presents some difficulties encountered when evaluating information obtained from infrared thermal inspections conducted in uncovered power substations. Technical, physical, and environmental factors are the main influences that have been i
Autor:
J.A. Jardini, E. da Costa Bortoni
Publikováno v:
IEEE Transactions on Energy Conversion. 17:242-247
This work shows a computational methodology for the determination of synchronous machines parameters using load rejection test data. By machine modeling one can obtain the quadrature parameters through a load rejection under an arbitrary reference, r
Publikováno v:
2012 IEEE Power and Energy Society General Meeting.
The IEC-60034-2 and IEEE-STD-115 standards are worldwide references for the design, test, specification, and losses determination of hydro generators. Those standards cover many procedures for losses determination, including calibrated machine, retar
Autor:
E. da Costa Bortoni
Publikováno v:
2007 International Conference on Electrical Machines and Systems (ICEMS).
Three-phase induction motors are intrinsically efficient machines. Due to its common misapplication they are considered a great potential of energy conservation in industries. This paper presents a set of methodologies and a road map to evaluate if a
Autor:
Germano Lambert-Torres, Maurilio Pereira Coutinho, Horst Lazarek, J.G.B. da Silva, L.E.B. da Silva, Joaquim Gonçalves Costa Neto, E. da Costa Bortoni
Publikováno v:
2007 IEEE Lausanne Power Tech.
This paper presented a technique to extract rules in order to identify attacks and faults to improve security of electric power control systems. By using rough sets classification algorithm, a set of rules can be defined. The approach tries to reduce
Autor:
A.H.M. Santos, E. da Costa Bortoni
Publikováno v:
IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting.
The developed methodology allows the checking of the technical and economical feasibility for substitution of oversized three-phase induction motors aiming at energy conservation. The uncertainties inherent to the measuring process of performance cha
Publikováno v:
IAS '95. Conference Record of the 1995 IEEE Industry Applications Conference Thirtieth IAS Annual Meeting.
In this paper, two methodologies for parameters identification of a drive set (motor and load) under a dynamic approach are presented. Simple measurements and low computer efforts are required. Thus, extended energy conservation studies become easy a
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Akademický článek
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