Publications de Marco Pignati | EPFL Graph Search

PMU-based linear state estimation of Lausanne subtransmission network: Experimental validation

Sidi-Rachid Cherkaoui, Mario Paolone, Paolo Romano, Marco Pignati, Lorenzo Zanni, Asja Derviskadic, Ali Abur

The paper presents the implementation details and the experimental validation of a linear state estimator based on synchrophasor measurements in a real subtransmission network. The data are provided by 15 phasor measurement units (PMUs) installed in the 12 ...

Elsevier2020

Design and Experimental Validation of an LTE-Based Synchrophasor Network in a Medium Voltage Distribution Grid

Mario Paolone, Paolo Romano, Marco Pignati, Lorenzo Zanni, Asja Derviskadic

We present and experimentally validate in a real-scale medium voltage (MV) grid a synchrophasor network that exploits the availability of a public 4G LTE communication infrastructure. An 18 buses, 10 kV feeder located in Huissen, The Netherlands, has been ...

Power Systems Computation Conference2018

Experimental Validation of a Steady State Model Synthesis Method for a Three-Phase Unbalanced Active Distribution Network Feeder

Mario Paolone, Marco Pignati, Fabrizio Sossan, Farhan Mahmood

This paper presents the field validation of a method that performs steady-state model synthesis (SSMS) of active distribution networks using syncrophasor measurements. The validation is performed by applying the SSMS method on a real active distribution fe ...

2018

Undetectable Timing-Attack on Linear State-Estimation by Using Rank-1 Approximation

Jean-Yves Le Boudec, Mario Paolone, Marco Pignati, Sergio Barreto Andrade, Gyorgy Miklos Dan

Smart-grid applications based on synchrophasor measurements have recently been shown to be vulnerable to timing attacks. A fundamental question is whether timing attacks could remain undetected by bad-data detection algorithms used in conjunction with stat ...

2018

Architecture and Experimental Validation of a Low-Latency Phasor Data Concentrator

Mario Paolone, Paolo Romano, Marco Pignati, Asja Derviskadic

The paper presents the design principles of a Phasor Data Concentrator (PDC) that implements both the absolute and relative time data pushing logics together with a third one that aims at minimizing the latency introduced by the PDC without increasing the ...

2018

Fault Detection and Faulted Line Identification in Active Distribution Networks Using Synchrophasors-based Real-Time State Estimation

Sidi-Rachid Cherkaoui, Mario Paolone, Paolo Romano, Marco Pignati, Lorenzo Zanni

We intend to prove that PMU-based state estimation processes for active distribution networks exhibit unique time determinism and refresh rate that make them suitable to satisfy the time-critical requirements of protections as well as the accuracy requirem ...

Institute of Electrical and Electronics Engineers2017

Definition of Accurate Reference Synchrophasors for Static and Dynamic Characterization of PMUs

Mario Paolone, Daniele Colangelo, Marco Pignati, Asja Derviskadic, Guglielmo Frigo

The calibration of phasor measurement units (PMUs) consists of comparing coordinated universal time time-aligned phasors (synchrophasors) measured by the PMU under test, against reference synchrophasors generated through a PMU calibrator. The IEEE Standard ...

Institute of Electrical and Electronics Engineers2017

Method and System for Fault Detection and Faulted Line Identification in Power Systems using Synchrophasors-Based Real-Time State Estimation

Mario Paolone, Paolo Romano, Marco Pignati, Lorenzo Zanni

A method for a faulted line identification in a power network, including, at a generic time-instant, solving a plurality of parallel phasor measurement units based real-time state estimators, the state estimators having among each other different and augme ...

2017

Resilient Synchrophasor Networks for the Real-Time Monitoring, Protection and Control of Power Grids : from Theory to Validation

Marco Pignati

Operational practices of both power transmission and distribution grids are impacted by the increasing connection of renewable energy resources, electric vehicles and energy storage systems. A timely and accurate knowledge of the system state, coupled with ...

EPFL2017

Definition and assessment of reference values for PMU calibration in static and transient conditions

Mario Paolone, Daniele Colangelo, Marco Pignati, Guglielmo Frigo

The calibration of Phasor Measurement Units (PMUs) consists of comparing Coordinated Universal Time (UTC) time-stamped phasors (synchrophasors) estimated by the PMU under test, against reference synchrophasors generated through a PMU calibrator. The IEEE S ...

IEEE2016

Hardware-in-the-loop Validation of the Grid Explicit Congestion Notification Mechanism for Primary Voltage Control in Active Distribution Networks

Jean-Yves Le Boudec, Mario Paolone, Konstantina Christakou, Styliani Sarri, Marco Pignati, Roman Rudnik

The Grid Explicit Congestion Notification control mechanism (GECN) is a broadcast-based real-time demand- response mechanism designed for primary voltage control in Active Distribution Networks (ADNs) [1,2]. An extensive set of off-line simulations has ind ...

Università degli Studi di Genova, Italy2016

Architecture and characterization of a calibrator for PMUs operating in power distribution systems

Mario Paolone, Daniele Colangelo, Paolo Romano, Marco Pignati, Lorenzo Zanni, Jean-Pierre Braun

In recent years, the Phasor Measurement Unit (PMU) technology is rapidly evolving towards the potential deployment also in power distribution systems (DSs). In general, this specific field of applications requires PMUs whose accuracy levels are beyond thos ...

IEEE2015

Real-Time State Estimation of the EPFL-Campus Medium-Voltage Grid by Using PMUs

Sidi-Rachid Cherkaoui, Jean-Yves Le Boudec, Mario Paolone, Teklemariam Tsegay Tesfay, Dan-Cristian Tomozei, Styliani Sarri, Paolo Romano, Miroslav Popovic, Marco Pignati, Lorenzo Zanni, Sergio Barreto Andrade, Maaz Mashood Mohiuddin, German Dario Flores Ponce

We describe the real-time monitoring infrastructure of the smart-grid pilot on the EPFL campus. We experimentally validate the concept of a real-time state-estimation for a 20 kV active distribution network. We designed and put into operation the whole inf ...

2015

Integration of an IEEE Std. C37.118 compliant PMU into a real-time simulator

Mario Paolone, Paolo Romano, Marco Pignati

The simulation of Phasor Measurement Units (PMUs) into real-time simulators (RTSs) is typically limited by the complexity of the synchrophasor estimation (SE) algorithm. This is especially true when dealing with distribution network PMUs due to the more de ...

IEEE2015

An Information-Centric Communication Infrastructure for Real-Time State Estimation of Active Distribution Networks

Mario Paolone, Teklemariam Tsegay Tesfay, Styliani Sarri, Paolo Romano, Marco Pignati

The evolution toward emerging active distribution networks (ADNs) can be realized via a real-time state estimation (RTSE) application facilitated by the use of phasor measurement units (PMUs). A critical challenge in deploying PMU-based RTSE applications a ...

Ieee-Inst Electrical Electronics Engineers Inc2015

A Hardware-in-the-Loop test platform for the performance assessment of a PMU-based Real-Time State Estimator for Active Distribution Networks

Mario Paolone, Styliani Sarri, Paolo Romano, Marco Pignati, Lorenzo Zanni

The paper describes the development of a Hardware- in-the-Loop (HIL) test platform for the performance assessment of a PMU-based sub-second linear Real-Time State Estimator (RTSE) for Active Distribution Networks (ADNs). The estimator relies on the availab ...

IEEE2015

Probabilistic assessment of the process-noise covariance matrix of discrete Kalman filter state estimation of active distribution networks

Sidi-Rachid Cherkaoui, Mario Paolone, Styliani Sarri, Marco Pignati, Lorenzo Zanni

The accuracy of state estimators using the Kalman Filter (KF) is largely influenced by the measurement and the process noise covariance matrices. The former can be directly inferred from the available measurement devices whilst the latter needs to be asses ...

IEEE2014

A pre-estimation filtering process of bad data for linear power systems state estimators using PMUs

Sidi-Rachid Cherkaoui, Jean-Yves Le Boudec, Mario Paolone, Styliani Sarri, Marco Pignati, Lorenzo Zanni

The paper proposes a specific algorithm for the pre-estimation filtering of bad data (BD) in PMU-based power systems linear State Estimators (SEs). The approach is framed in the context of the so-called real-time SEs that take advantage of the high measure ...

Wroclaw University of Technology2014

A Hardware-in-the-Loop Test Platform for the Real-Time State Estimation of Active Distribution Networks using Phasor Measurement Units

Sidi-Rachid Cherkaoui, Mario Paolone, Styliani Sarri, Paolo Romano, Marco Pignati, Lorenzo Zanni

The paper describes the development and the performance assessment of a Hardware-in-the-Loop (HIL) test platform built as a proof-of-concept of a sub-second State Estimator (SE) of Active Distribution Networks (ADNs). The SE relies on the availability of d ...

Cigré - Conseil International des Grands Réseaux Électriques2013