Concept

Transformer types

Related publications (222)

Improved modeling of three-phase transformer analysis based on magnetic equivalent circuit diagrams and taking into account nonlinear B-H curve.

The present paper deals with a new approach for the study of the steady - state and transient behaviour of three-phase transformers. This approach based on magnetic equivalent circuit diagrams, takes into account the nonlinear B-H curve as well as zero-seq ...

2005

Acoustic Mapping for Active Transformer Quieting Applications Based on a Modular DSP Platform

Alfred Rufer, Christian Blanc, Eric Van Lancker

The Laboratoire d’Electronique Industrielle has realized an active noise controller. The system is designed to efficiently attenuate low frequency transformer noise where passive methods are either ineffective or tend to be very expensive. This paper descr ...

2005

Improved Modeling of Three-Phase Transformer Analysis Based on Nonlinear B-H Curve and Taking Into Account Zero-sequence Flux.

Jean-Jacques Simond, Basile Kawkabani

The present paper deals with a new approach for the study of the steady - state and transient behaviour of three- phase transformers. This approach based on magnetic equivalent circuit diagrams, takes into account the nonlinear B-H curve as well as zero-se ...

2004

Influence of power switching on power line communications in medium voltage networks

Emmanuel Marthe

A complete framework dealing with power line communication in medium voltage network is proposed. Based on path loss measurements, a complete characterisation of inductive couplers is performed. After a brief recall of inductive coupling techniques, we add ...

2004

Influence of surge arresters on the statistical evaluation of lightning performance of distribution lines

Mario Paolone

The statistical assessment of the lightning-performances of distribution lines must take into account the presence of protection devices such as surge arresters and shielding wire/neutral groundings. Indeed, the presence of those devices does modify the in ...

2004

Design of a new air-cored current transformer: analytical modeling and experimental validation

Daniel Porto, José-Luis Bermudez

The paper describes a modeling tool for the design of a new air-cored current transformer called PRiME (planar Rogowski current measurement) designed on a printed-circuit board (PCB) with the coil made of the PCB printed copper layers. The PRiME technology ...

2004

Multilevel Inverter for Power System Applications : Highlighting Asymmetric Design Effects form a Supply Network Point of View

Alfred Rufer

This paper highlights some effects of an asymmetrical design on three phase multilevel inverters from a supply network point of view. The investigated topology is based on a series connection of single phase inverters (partial cell) in each phase. Each par ...

2003

Configurable Front-End Converters for Multicurrent Locomotives Operated on 16 2/3 Hz AC and 3 kV DC Systems

Alfred Rufer, Christophe Chabert

A configurable converter topology is presented as front-end converter for a locomotive that can be operated as well on a high voltage ac-system as on a medium voltage dc-system. The configurable converter is realized on the base of a multilevel chain, wher ...

2003

Modelling the magnetic field effects in a high-Tc superconducting transformer

Francesco Grilli, Bertrand Dutoit

This paper describes quantitatively the magnetic field inside the windings of a HTS transformer. The results are obtained by means of finite element method simulations, using the electromagnetic software package Flux2D. The transformer design has been made ...

2003

Modelling of the electron cyclotron current drive experiments in the TCV tokamak

Olivier Sauter, Stefano Coda, Timothy Goodman, Roland Behn, Petri Nikkola

With the very high electron cyclotron (EC) wave power density achieved in the TCV tokamak, more than 20 MW m(-3), quasilinear modelling predicts an electron cyclotron current drive (ECCD) efficiency well in excess to the experimental value, by up to a fact ...

2003

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