Publications de Ira Nagel | EPFL Graph Search

High-Speed Power System Transient Stability Simulation Using Highly Dedicated Hardware

Sidi-Rachid Cherkaoui, Maher Kayal, François Krummenacher, Marc Pastre, Laurent Fabre, Ira Nagel

This paper presents a fully analog demonstrator based on power system emulation for high-speed power system stability analysis.Abenchmark using a fixed two-machine topology has been implemented. The characteristics of the emulated components (i.e., generat ...

IEEE Institute of Electrical and Electronics Engineers2013

Analog microelectronic emulation for dynamic power system computation

Ira Nagel

Power system dynamic simulators can be classified according to multiple criteria, including speed, precision, cost and modularity (topology, characteristics and model). Existing simulators are based on time-consuming numeric algorithms, which provide very ...

EPFL2013

An Ultra-High Speed Emulator Dedicated to Power System Dynamics Computation Based on a Mixed-Signal Hardware Platform

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel, Guillaume Olivier Lanz, Denis Sallin, Theodoros Kyriakidis

This paper presents an ultra-high speed hardware platform dedicated to power system dynamic (small signal) and transient (large signal) stability. It is based on an intrinsic parallel architecture which contains hybrid mixed-signal (analog and digital) cir ...

IEEE Institute of Electrical and Electronics Engineers2013

A 3D architecture platform dedicated to high-speed computation for power system

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel, Guillaume Olivier Lanz, Denis Sallin, Theodoros Kyriakidis

This paper presents an innovative 3D hardware architecture for power system dynamic and transient stability. Based on an intrinsic parallel architecture by means of mixedsignal circuits (analog and digital) it overcomes the speed of numerical simulators fo ...

2013

Tunable floating active inductor with internal offset reduction

Sidi-Rachid Cherkaoui, Maher Kayal, François Krummenacher, Marc Pastre, Laurent Fabre, Ira Nagel

Presented is a transistor-level implementation of a floating and tunable CMOS active inductor. It is based on the classical gyrator-C topology and is enhanced by adding an internal offset reduction mechanism to guarantee functionality also for unbalanced D ...

2012

Reconfigurable fully integrated inductance for high-speed transient stability emulation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2011

A mixed-signal platform dedicated to power system dynamic computation

Sidi-Rachid Cherkaoui, Maher Kayal, Cédric Meinen, Laurent Fabre, Ira Nagel

has already been proven that analog emulation overcomes the speed limits of numerical simulators by means of a simple fixed-topology prototype. In order to enhance the modularity and the size of the emulated power system a dedicated platform based on a fie ...

IEEE2011

An ultra high-speed, mixed-signal emulator for solving power system dynamic equations

Sidi-Rachid Cherkaoui, Maher Kayal, Fabrizio Lo Conte, Laurent Fabre, Ira Nagel, Guillaume Olivier Lanz

This paper focuses on a new pipelined processing unit architecture dedicated to mixed-signal power system emulation. Prior research in this field has proven that analog emulation overcomes the speed limits of numerical simulators with reliable accuracy. Th ...

IEEE2011

High-Speed Power System Stability Simulation Using Analog Computation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

This paper presents a microelectronic emulation approach for high-speed power system computation. First, the problems of existing power system simulators are detailed. This shows that microelectronic emulation is a possible solution for solving the speed p ...

2010

Calculateur analogique faible consommation dédié au calcul transitoire des réseaux électriques

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2009

High-Speed Power System Stability Simulation Using Analog Computation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

This paper introduces a microelectronic emulation approach for high-speed power system computation. First, the problems of existing power system simulators are detailed. This shows that microelectronic emulation is a possible solution for the speed problem ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2009

High-Speed, Mixed-Signal Emulation for Power System Dynamic Analysis

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2009

Microelectronic Emulation for Power System Computation

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2008

Emulation du réseau électrique à l’aide de circuits électroniques

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

2007

Toward a power system emulation using analog microelectronics solid state circuits

Sidi-Rachid Cherkaoui, Maher Kayal, Laurent Fabre, Ira Nagel

An analog electronics emulation solution is investigated in order to assess the state of a power system facing dynamic phenomena such as the transient stability. Two approaches are studied: DC emulation and AC emulation. Both are intended to be integrated ...

Ieee Service Center, 445 Hoes Lane, Po Box 1331, Piscataway, Nj 08855-1331 Usa2007