Concept

Courant induit géomagnétiquement

Publications associées (35)

Lightning induced disturbances in buried cables - Part II: Experiment and model validation

This paper presents experimental results obtained at the International Center for Lightning Research and Testing (ICLRT) at Camp Blanding, Florida during the smnmers of 2002 and 2003. Currents induced by triggered and natural lightning events were measured ...

2005

DC performance, AC loss and transient field stability of five medium size NbTi cable-in-conduit conductors with parametric variations

Pierluigi Bruzzone, Boris Stepanov, Rainer Wesche, Martin Vogel

Five medium size NbTi cable-in-conduit conductors with parametric variations in the cable layout were fabricated of three different strands to investigate their DC performance, AC loss behaviour and transient stability by means of the SULTAN facility. A co ...

2005

The new TAE - Alfvén Wave Active Excitation System at JET

Ambrogio Fasoli, Laurent Villard, Duccio Testa, René Chavan, Robert Bertizzolo

After many years of successful operation, the JET saddle coil system will be dismantled during the 2004-2005 shutdown. A new antenna system has been designed and is being constructed to replace it and excite magneto-hydrodynamics modes in the Alfvén freque ...

2004

Lightning electromagnetic field coupling to overhead transmission line networks and to buried cables

Emanuel Petrache

Lightning-induced voltages in power and communication systems are nowadays one of the main causes of power quality and electromagnetic compatibility. In recent years, due to the increasing demand by customers for good quality in the power supply along with ...

EPFL2004

Prediction of resistive and hysteretic losses in a multi-layer high-Tc superconducting cable

Francesco Grilli, Marten Sjöström

In this work, a model of a multi-layer high-Tc superconducting (HTS) cable that computes the current distribution across layers as well as the AC loss is presented. Analyzed is the case of a four-layer cable, but the developed method can be applied to a ca ...

2004

Experimental evidence of fast reconnection via trapped electron motion

Ambrogio Fasoli

Magnetic reconnection in collisionless magnetohydrodynamic plasmas is studied under controlled conditions in toroidal X-line configurations formed in the center of the Versatile Toroidal Facility [J. Egedal , Rev. Sci. Instrum. 71, 3351 (2000)]. Profiles o ...

2004

Measurement of lightning-induced currents in an experimental coaxial buried cable

Mario Paolone, Emanuel Petrache

We present in this paper experimental results obtained at the International Center for Lightning Research and Testing (ICLRT), Camp Blanding, Florida, where currents induced by triggered and natural lightning events were measured at one end of a shielded b ...

2003

Comparison of current characteristics of lightning strokes measured at the CN tower and at other elevated objects

Since 1991, a broadband, high-resolution current measurement system has captured the lightning current derivative at the Toronto CN Tower. In this paper, extensive statistics (1992-2001) of CN Tower lightning current waveform parameters (maximum steepness ...

2003

Induced current calculations for low frequency EMF exposure assessment

Michel Ianoz

The effect of low and intermediate frequency external electric and magnetic fields on humans is to induce currents in the human body. As it is not possible to introduce sensors inside the body to measure these currents it was decided to develop calculation ...

2002

Electromagnetic field interaction with vehicle cable harness: an experimental analysis

Davide Pavanello, Abraham Rubinstein

The paper presents experimental results obtained as part of the GEMCAR European project using the VERIFY EMP simulator belonging to the Swiss Defense Procurement Agency (Spiez). VERIFY generates a vertically polarized electric field with a rise time of 0.9 ...

2002

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