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Concept

Third rail

Related publications (19)

Terminal Characteristics Measurements and Analysis of the Three-Phase Active Front End Converter Building Block

Drazen Dujic, Marko Petkovic

The safe and reliable operation of modern power system imposes the need to describe and estimate the system stability through impedance-admittance measurement and identification. The integration and operation of medium voltage equipment in existing infrast ...

Wiley2021

Impact of mechanical and thermal cycles at different operating conditions on the ITER toroidal field coil conductor performance

Pierluigi Bruzzone, Kamil Sedlák

The impact of electromagnetic (EM) and thermal cyclic loading (referred as warm-up-cool-down-WUCD) on the Nb3Sn cable in conduit conductors for the toroidal field magnets of the ITER tokamak should be carefully assessed for the proper operation of the mach ...

IOP Publishing Ltd2021

Design of DEMO PF Coils Based on Cable-in-Conduit Conductor

Pierluigi Bruzzone, Kamil Sedlák, Mithlesh Kumar

The poloidal field (PF) coils are designed based on the requirements defined by the EUROfusion 2015 DEMO baseline. The conductors are forced flow, NbTi cable-in-conduit. The design addresses the dimensioning of the winding pack, the electromagnetic field c ...

2019

Switched-capacitor high-speed emulator for real-time fault location in electrical power systems

Maher Kayal, François Krummenacher, François Pierre Gaugaz

This research presents a discrete-time transmission line model based on the propagation of travelling waves. In this approach, the transmission line is emulated by means of many interconnected unit delay cells implemented with switched-capacitor (SC) circu ...

SPRINGER2018

Modeling of EMP Coupling to Lossless MTLs in Time Domain Based on Analytical Gauss-Seidel Iteration Technique

Farhad Rachidi-Haeri, Jun Guo

This paper provides an efficient way to simulate the transient electromagnetic field coupling to overhead multi conductor transmission lines in time domain based on an analytical iterative technique. The method is entirely in time domain and therefore can ...

2018

Ultra High-Speed Hardware Emulator for Real-Time Fault Location in Multi-Conductor Power Systems

Maher Kayal, François Krummenacher, François Pierre Gaugaz

This research presents a transmission line model aimed for the fault location in power systems using a method based on the Electromagnetic Time-Reversal (EMTR). The discrete-time model simulates the waves travelling in the line by means of many unit delays ...

IEEE2018

DC Performance Results Versus Assessment of ITER Main Busbar NbTi Conductors

Pierluigi Bruzzone, Kamil Sedlák, Boris Stepanov, Rainer Wesche, Yu Wu

Four ITER main busbar (MB) conductor samples were tested in the SULTAN test facility (Centre de Recherches en Physique des Plasma, Ecole Polytechnique Fédérale de Lausanne, Switzerland) between 2011 and 2013. The MB conductors are NbTi-based cable-in-condu ...

IEEE Institute of Electrical and Electronics Engineers2015

Energy and Reserve Management in Interconnected Systems including Electric Railway and Public Power Grids : Operation, Market Strategies and Capacity Expansion

Mokhtar Bozorg

For historical reasons, the frequency of Electric Railway Power System (ERPS) in central European countries (e.g., Switzerland, Germany and Austria) is different from the frequency of the public power grid. To feed such a low frequency (i.e., 16.7 Hz) syst ...

EPFL2015

Efficient Method Based on the Electromagnetic Time Reversal to Locate Faults in Power Network

Farhad Rachidi-Haeri, Mario Paolone, Gaspard Lugrin, Reza Razzaghi, Hossein Mahmoudimanesh

A time reversal process for determining a fault location in an electrical power network comprising multi-conductor lines, comprises measuring at an observation point located anywhere along one of the multi-conductor lines, for each of the conductors of the ...

2014

Results of the TFEU6 Sample Tested in SULTAN

Pierluigi Bruzzone, Boris Stepanov, Stephen Alfred March

This paper presents the results of the latest European Conductor Performance Qualification Sample for the ITER toroidal field coils. The standard qualification test was performed in the SULTAN facility at CRPP. The sample consisted of two 3.5-m lengths of ...

IEEE Institute of Electrical and Electronics Engineers2013

Irreversible Degradation in Nb3Sn Cable in Conduit Conductors

Ciro Calzolaio

One of the biggest goals for the international thermonuclear experimental reactor (ITER) is the steady state operation. For this reason all its coils will be superconducting and Nb3Sn material is used for both the toroidal field (TF) and the central soleno ...

EPFL2013

In situ Tc measurements of cable in conduit conductors via an inductive method

Pierluigi Bruzzone, Boris Stepanov, Davide Uglietti, Ciro Calzolaio

The measurement of the actual thermal strain, epsilon th, in a cable in conduit conductor (CICC) of Nb3Sn is of paramount importance to predict the CICC performance in operation starting from the strand scaling laws for the critical current density J(c)(B, ...

IEEE-Inst Electrical Electronics Engineers Inc2012

A Dynamic-Zone-Based Coordinated Ramp-Metering Algorithm With Queue Constraints for Minnesota's Freeways

Nikolaos Geroliminis

Following about 40 years of successful deployment of coordinated traffic-responsive ramp control, a new generation is being developed for Minnesota's freeways based on density measurements, rather than flow rates. This was motivated from recent research in ...

IEEE Institute of Electrical and Electronics Engineers2011

Influence of the mechanical limitations of a traction system on energy storage design

Philippe Barrade

An innovative subway without supply rail is presented. This article deals with the sizing of the required on-board energy between two stations in the worst case. The influence of the mechanical limitations is studied: acceleration, jerk and torque limitati ...

Elsevier2010

Dependence of the ac loss on the aspect ratio in a cable in conduit conductor

Pierluigi Bruzzone

The coupling current loss in rectangular superconducting cables is strictly dependent on their aspect ratio, which has an impact on the area linked by the field variation and consequently on the currents induced between strands. The relation between the ac ...

2010

Physically clustered Forward Body Biasing for variability compensation in nanometer CMOS design

Giovanni De Micheli, Luca Benini

Nanometer CMOS scaling has resulted in greatly increased circuit variability, with extremely adverse consequences on design predictability and yield. A number of recent works have focused on adaptive post-fabrication tuning approaches to mitigate this prob ...

2009

Physically clustered forward body biasing for variability compensation in nanometer CMOS design

Giovanni De Micheli, Luca Benini

2009

On the origin of transport non-universality and piezoresistivity in segregated conductor-insulator composites and application to thick-film resistors

Niklaus Johner

In this thesis we address the description of electrical transport properties of disordered conductor-insulator composites, mostly by numerical Monte Carlo simulations and analytical study of realistic tunnelling-percolation models. Such composites are basi ...

EPFL2009

ARCHES D14 - Recommendations for the use of UHPFRC in composite structural members – rehabilitation Log Čezsoški bridge

Emmanuel Denarié, Guillaume Habert

The increasing volume of European transport urgently requires an effective road and rail system in Central European and Eastern Countries (CEEC) with a major investment in building new and assessing and rehabilitating old structures. Following 5 successful ...

MCS/EU2009