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A neural approach to evaluate the effect of lightning in power transformers
(2009-10-19)
This paper proposes the application of computational intelligence techniques to assist complex problems concerning lightning in transformers. In order to estimate the currents related to lightning in a transformer, a neural ...
A Resonant Tertiary Winding-Based Novel Air-Core Transformer Concept
(Ieee-inst Electrical Electronics Engineers IncPiscatawayEUA, 2012)
Electronic compensation of inductive voltage dividers and standard voltage transformers
(IEEE, 1999)
A new compensating system is proposed to reduce the ratio error and the phase error of inductive voltage dividers and standard voltage transformers, operating at no load. An electronic amplifier reduces the input current, ...
An electronic device for increasing the accuracy of high-voltage measuring transformers
(IEEE, 2000)
A new electronic system to assist high-voltage measuring transformers is proposed. This system compensates the voltage drops in the series impedances, which are the main cause of error in this type of transformer. An ...
Reformulation of the fresnel transform to introduce sampling and recovery region control and its acceleration
(Instituto Nacional de Astrofísica, Óptica y Electrónica, 2010)
A computational tool to assist the analysis of the transformer behavior related to lightning
(Elsevier B.V., 2011-03-01)
This paper proposes the application of computational intelligence techniques to assist complex problems concerning lightning in transformers. In order to estimate the currents related to lightning in a transformer, a neural ...
Electronic system for increasing the accuracy of in-service instrument-current transformers
(IEEE, 2002)
An electronic compensator of ratio errors and phase-displacements is proposed for in-service transformers. Neither an auxiliary winding nor auxiliary core is needed; and large variations of the load connected to the secondary ...
Asymmetrical magnetization in three-phase core type transformers
(1995-12-01)
The performance of the three-phase core type transformers, under AC/DC double excitation is discussed in this work. It is presented a mathematical model that considers the mutual coupling between phases and the magnetic ...
The complex transformer as a network-model element
(Manchester Univ PressManchesterInglaterra, 2003)