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78 results on '"Tine, Giovanni"'

3. A Resilient Distributed Measurement System for Smart Grid Application

Author

Artale, Giovanni, Brandauer, Christof, Caravello, Giuseppe, Cataliotti, Antonio, Cosentino, Valentina, Di Cara, Dario, Guaiana, Salvatore, Panzavecchia, Nicola, Salsano, Stefano, Tinè, Giovanni, Filipe, Joaquim, Editorial Board Member, Ghosh, Ashish, Editorial Board Member, Prates, Raquel Oliveira, Editorial Board Member, Zhou, Lizhu, Editorial Board Member, Dziech, Andrzej, editor, Mees, Wim, editor, and Czyżewski, Andrzej, editor

Published
2020
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4. Characterization and Design of a PLC Coupling System Based on Capacitive Divider Embedded in MV Cable Head

Author

Artale, Giovanni, Cataliotti, Antonio, Cosentino, Valentina, Cara, Dario Di, Ditta, Vito, Guaiana, Salvatore, Panzavecchia, Nicola, and Tine, Giovanni

Abstract

Power line communication (PLC) technology is exploited worldwide for automatic meter reading on low-voltage networks. On the contrary, it is not used at medium voltage (MV) level, where it requires dedicated and costly PLC couplers. To face this issue, in previous works the authors investigated the possibility of reducing costs by coupling the signal by means of elements already installed in MV networks. A patented solution was based on the exploitation of capacitive dividers of voltage detective systems (VDSs) normally installed in MV switchgears of distribution network's substations. This paper investigates the use of capacitive dividers embedded in commercial separable connector of MV cables heads, instead. In comparison with VDSs, cable heads voltage dividers have different characteristics; thus an ad-hoc characterization and design of PLC coupling system is presented and discussed. Firstly, impedance measurements are performed to characterize cable heads behavior in the frequency range of interest. An equivalent circuit model is obtained and used to design an electronic interface card for signal coupling. Simulations and experimental tests are performed in FCC above CENELEC frequency band, to analyze channel frequency response and transmission performances, in terms of success rate and SNR. The results testify the proposed coupling solution feasibility.

Published
2024
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6. Innovative Solutions for the Integration of Renewable Energies on Tunisian and Sicilian Electrical Grids

Author

Artale, Giovanni, primary, Maalej, Asma, additional, Rhouma, Ons Ben, additional, Ben-Romdhane, Manel, additional, Othman, Noureddine Ben, additional, Cataliotti, Antonio, additional, Cosentino, Valentina, additional, Culcasi, Antonino, additional, Fiorino, Michele, additional, Guaiana, Salvatore, additional, Panzavecchia, Nicola, additional, Tine, Giovanni, additional, and Di Cara, Dario, additional

Published
2022
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9. A Line Impedance Calculator Based on a G3 PLC Modem Platform

Author

Artale, Giovanni, primary, Caravello, Giuseppe, additional, Cataliotti, Antonio, additional, Cosentino, Valentina, additional, Di Cara, Dario, additional, Fiorelli, Riccardo, additional, Guaiana, Salvatore, additional, Panzavecchia, Nicola, additional, and Tine, Giovanni, additional

Published
2022
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13. Implementation of a PLC Field Analyzer on a G3 Modem Platform

Author

Artale, Giovanni, primary, Caravello, Giuseppe, additional, Cataliotti, Antonio, additional, Cosentino, Valentina, additional, di Cara, Dario, additional, Fiorelli, Riccardo, additional, Guaiana, Salvatore, additional, Panzavecchia, Nicola, additional, and Tine, Giovanni, additional

Published
2021
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15. Design of a Time Dissemination System Using Chirp Modulation for Medium Voltage Smart Grid Applications

Author

Rinaldi, Stefano, primary, Pasetti, Marco, additional, Bonafini, Federico, additional, Ferrari, Paolo, additional, Flammini, Alessandra, additional, Sisinni, Emiliano, additional, Artale, Giovanni, additional, Cataliotti, Antonio, additional, Cosentino, Valentina, additional, Cara, Dario Di, additional, Panzavecchia, Nicola, additional, and Tine, Giovanni, additional

Published
2020
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16. Implementation of a Management System for Prosumer Energy Storage Scheduling in Smart Grids

Author

Artale, Giovanni, primary, Caravello, Giuseppe, additional, Cataliotti, Antonio, additional, Cosentino, Valentina, additional, Guaiana, Salvatore, additional, Di Cara, Dario, additional, Panzavecchia, Nicola, additional, Tine, Giovanni, additional, Antonucci, Vincenzo, additional, Aloisio, Davide, additional, Brunaccini, Giovanni, additional, Ferraro, Marco, additional, and Sergi, Francesco, additional

Published
2020
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19. An Experimental Characterization of Time of Arrival Accuracy for Time Synchronization of Medium Voltage Smart Grid Solutions

Author

Rinaldi, S., primary, Cara, Dario Di, additional, Panzavecchia, Nicola, additional, Tine, Giovanni, additional, Bonafini, F., additional, Ferrari, P., additional, Flammini, A., additional, Pasetti, M., additional, Sisinni, E., additional, Artale, Giovanni, additional, Cataliotti, Antonio, additional, and Cosentino, Valentina, additional

Published
2019
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22. Compensation of Nonlinearity of Voltage and Current Instrument Transformers

Author

Cataliotti, Antonio, primary, Cosentino, Valentina, additional, Crotti, Gabriella, additional, Femine, Antonio Delle, additional, Di Cara, Dario, additional, Gallo, Daniele, additional, Giordano, Domenico, additional, Landi, Carmine, additional, Luiso, Mario, additional, Modarres, Mohammad, additional, and Tine, Giovanni, additional

Published
2019
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28. Design of a Time Dissemination System Using Chirp Modulation for Medium Voltage Smart Grid Applications.

Author

Rinaldi, Stefano, Pasetti, Marco, Bonafini, Federico, Ferrari, Paolo, Flammini, Alessandra, Sisinni, Emiliano, Artale, Giovanni, Cataliotti, Antonio, Cosentino, Valentina, Cara, Dario Di, Panzavecchia, Nicola, and Tine, Giovanni

Subjects
CHIRP modulation, CARRIER transmission on electric lines, GLOBAL Positioning System, GPS receivers, COMMUNICATION infrastructure
Abstract

The monitoring and the management of smart grid require an advanced communication infrastructure. The time synchronization is among the most important services such an infrastructure should offer. Several solutions are available to disseminate the time information in a distributed system; for instance, most of the times a global positioning system (GPS) receiver is used to recover accurate time information. However, GPS receivers need a clear view of the sky. Other solutions, like the use of a network-based synchronization mechanism, require a dedicated communication infrastructure, which is not always feasible for economical reason. Thus, the use of the power grid itself to disseminate a time signal is extremely interesting. The aim of this article is to investigate the possibility to distribute a time signal over a medium voltage (MV) grid using a chirp-based modulation. The timing data are coded using IRIG-B time code. Such an approach does not require the installation of a dedicated infrastructure, and it is noninvasive, because the signal is transmitted on a different band with the respect to power line communication (PLC). The effectiveness of the approach has been experimentally evaluated on a test MV line available in a laboratory. Although the tested chirp-based symbol has a limited frequency bandwidth (80 kHz), the jitter in the identification of the start of frame is on the order of 7.5 $\mu \text{s}$ , fulfilling the requirements of the most smart grid applications. [ABSTRACT FROM AUTHOR]

Published
2019
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40. Experimental EMF characterization of a secondary substation

Author

Cangemi, Giovanni, primary, Cataliotti, Antonio, additional, Cipriani, Giovanni, additional, Cosentino, Valentina, additional, Di Dio, Vincenzo, additional, Nuccio, Salvatore, additional, Di Cara, Dario, additional, Tine, Giovanni, additional, and Melodia, Mario, additional

Published
2015
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46. Compensation of Nonlinearity of Voltage and Current Instrument Transformers

Author

Domenico Giordano, Valentina Cosentino, Mario Luiso, Dario Di Cara, Giovanni Tine, Gabriella Crotti, Carmine Landi, Daniele Gallo, Mohammad Modarres, Antonio Delle Femine, Antonio Cataliotti, Cataliotti, Antonio, Cosentino, Valentina, Crotti, Gabriella, Femine, Antonio Delle, Cara, Dario Di, Gallo, Daniele, Giordano, Domenico, Landi, Carmine, Luiso, Mario, Modarres, Mohammad, Tine, Giovanni, Di Cara, Dario, and Tinè, Giovanni

Subjects
uncertainty, Materials science, power system measurement, Acoustics, Harmonics, 020208 electrical & electronic engineering, Phasor, Harmonic, instrument transformers (ITs), 02 engineering and technology, power quality, Signal, Current transformer, Compensation (engineering), Harmonic analysis, Sine wave, Distortion, 0202 electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering, Settore ING-INF/07 - Misure Elettriche E Elettroniche, Instrumentation
Abstract

This paper aims at characterizing and improving the metrological performances of current and voltage instrument transformers (CTs and VTs) in harmonic measurements in the power system. A theoretical analysis is carried out to demonstrate that, due to the iron core nonlinearity, CT and VT output signal is distorted even when the input signal is a pure sine wave. Starting from this analysis, a new method for CT and VT characterization and compensation is proposed. In a first step, they are characterized in sinusoidal conditions and the harmonic phasors of the distorted output are measured; in the second step, these phasors are used to compensate the harmonic phasors measured in normal operating conditions, which are typically distorted. The proposed characterization and compensation techniques are called SINusoidal characterization for DIstortion COMPensation (SINDICOMP). Several experimental tests, using high-accuracy calibration setups, have been performed to verify the proposed methods. The experimental results showed that the SINDICOMP technique assures a significant improvement of CT and VT metrological performances in harmonic measurements.

Published
2019

47. An Improved Load Flow Method for MV Networks Based on LV Load Measurements and Estimations

Author

Valentina Cosentino, Giuseppe Marsala, Dario Di Cara, Antonio Cataliotti, Mauro Gaggero, Giovanni Tine, Antonella Ragusa, Cristiano Cervellera, Danilo Maccio, Cataliotti, Antonio, Cervellera, Cristiano, Cosentino, Valentina, Di Cara, Dario, Gaggero, Mauro, Maccio, Danilo, Marsala, Giuseppe, Ragusa, Antonella, and Tine, Giovanni

Subjects
Artificial neural networks, Busbar, Computer science, power system measurement, 020208 electrical & electronic engineering, Artificial neural networks (ANNs), power system management, power measurement, Flow method, 02 engineering and technology, power system measurements, load flow (LF), Power (physics), Control theory, load flow, smart grids, 0202 electrical engineering, electronic engineering, information engineering, state estimation, Electrical and Electronic Engineering, smart grid, Instrumentation, Settore ING-INF/07 - Misure Elettriche E Elettroniche, Voltage
Abstract

A novel measurement approach for power-flow analysis in medium-voltage (MV) networks, based on load power measurements at low-voltage level in each secondary substation (SS) and only one voltage measurement at the MV level at primary substation busbars, was proposed by the authors in previous works. In this paper, the method is improved to cover the case of temporary unavailability of load power measurements in some SSs. In particular, a new load power estimation method based on artificial neural networks (ANNs) is proposed. The method uses historical data to train the ANNs and the real-time available measurements to obtain the load estimations. The load-flow algorithm is applied with the estimated load powers, and the MV network state variables are obtained. The proposed method is validated for the real MV distribution network of the island of Ustica. The loads of selected SSs are estimated for two full days of different seasons. In comparison with previous works, satisfactory results are obtained in terms of uncertainty in the calculated power flows, thus suggesting the applicability of the proposed method for real-time monitoring of MV distribution networks.

Published
2019

48. Characterization of IP-Based Communication for Smart Grid Using Software-Defined Networking

Author

Stefano Rinaldi, Dario Di Cara, Paolo Ferrari, Giovanni Tine, Federico Bonafini, Valentina Cosentino, Nicola Panzavecchia, Antonio Cataliotti, Alessandra Flammini, Salvatore Guaiana, Emiliano Sisinni, Rinaldi, Stefano, Bonafini, Federico, Ferrari, Paolo, Flammini, Alessandra, Sisinni, Emiliano, Di Cara, Dario, Panzavecchia, Nicola, Tine, Giovanni, Cataliotti, Antonio, Cosentino, Valentina, and Guaiana, Salvatore

Subjects
smart grid (SG), IEC 61850, Computer science, 020209 energy, Throughput, 02 engineering and technology, Round-trip delay time, law.invention, Packet loss, law, Internet Protocol, 0202 electrical engineering, electronic engineering, information engineering, Electrical and Electronic Engineering, Instrumentation, business.industry, 020208 electrical & electronic engineering, Distribution grid automation, software-defined networking (SDN), Power-line communication, Smart grid, Distributed generation, business, Software-defined networking, narrowband power line communication (NB-PLC), Settore ING-INF/07 - Misure Elettriche E Elettroniche, performance characterization, Computer network
Abstract

The smart grid (SG) approach is based on a strong interaction between the network communication infrastructure and the power grid. Usually the management of the infrastructure is done by the distribution system operators (DSOs) that are worried about the increasing managing complexity due to the presence of increasing number of distributed energy resources and electrical vehicles. The use of software-defined networking (SDN) may simplify the network configuration and management for DSO, as highlighted from previous research works. The objective of this paper is to introduce and characterize an internet protocol (IP)-based communication architecture with specialized SDN bridges operating also over narrowband power line communication (PLC) to reach the last mile applications (e.g., smart meters and inverters). The feasibility of this approach depends on the communication performance of the supervisory level used to dynamically configure the SDN bridges. The characterization of this level is done using the following performance indicators: the round trip time (RTT), the packet loss (PL) ratio, and the actual IP throughput. The experimental results show the feasibility of the proposed architecture, since the limitations are given only by the physical implementation of the PLC modem. In detail, results of the case study show that the minimum RTT is on the order of 30 ms, the PL ratio is always less than 1.7% and the maximum throughput is of 95 Mbit/s, fully compatible with the requirements of the applications.

Published
2018

49. PQ Metrics Implementation on Low Cost Smart Metering Platforms. A Case Study Analysis

Author

Nunzio Dipaola, Antonio Cataliotti, Salvatore Guaiana, Valentina Cosentino, Marilena G. Sambataro, Giovanni Artale, Nicola Panzavecchia, Giovanni Tine, Dario Di Cara, Artale, Giovanni, Cataliotti, Antonio, Cosentino, Valentina, Guaiana, Salvatore, Di Cara, Dario, Panzavecchia, Nicola, Tine, Giovanni, Dipaola, Nunzio, and Sambataro, Marilena G.

Subjects
advanced metering infrastructure, smart meter, Firmware, Computer science, power system measurement, 020209 energy, media_common.quotation_subject, 020208 electrical & electronic engineering, Distributed power, 02 engineering and technology, power quality, computer.software_genre, power system measurements, Metrology, Reliability engineering, Power (physics), Electricity meter, 0202 electrical engineering, electronic engineering, information engineering, Metering mode, Quality (business), smart grid, computer, Settore ING-INF/07 - Misure Elettriche E Elettroniche, Energy (signal processing), media_common
Abstract

The increasing interest on the quality of the energy supplied and generated in distribution networks is raising the need of distributed power quality (PQ) measurements. To allow such capabilities with cost effective metering solutions, this paper wants to investigate the feasibility of using smart meters, already installed for energy billing, also for power quality monitoring. To this aim, an electronic board (based on STCOMET metrology device), already used in many energy meters of different countries, has been selected as case study platform. The manufacturer firmware of this board was essentially aimed at implementing energy meter metrics and power line communications functionalities. In this paper, new PQ functionalities were implemented and experimentally verified, taking into account the requirements of IEC 61000-4-30 for power quality measurements.

Published
2018

50. A New Low Cost Coupling System for Power Line Communication on Medium Voltage Smart Grids

Author

Giovanni Tine, Salvatore Guaiana, Giovanni Artale, Antonio Cataliotti, Valentina Cosentino, Riccardo Fiorelli, Dario Di Cara, Artale, Giovanni, Cataliotti, Antonio, Cosentino, Valentina, Di Cara, Dario, Fiorelli, Riccardo, Guaiana, Salvatore, and Tine, Giovanni

Subjects
Engineering, General Computer Science, business.industry, 020209 energy, communication systems, couplers, narrow band power line communication, Power system communication, power system communication, power system measurements, smart grids, 020208 electrical & electronic engineering, Electrical engineering, 02 engineering and technology, Capacitance, Signal, Power-line communication, Smart grid, Modulation, Power system communication, communication systems, couplers, narrow band power line communication, communication signal couplers, power system communication, power system measurements, smart grids, 0202 electrical engineering, electronic engineering, information engineering, Electronic engineering, communication signal couplers, Transceiver, business, Electrical impedance, Settore ING-INF/07 - Misure Elettriche E Elettroniche, Voltage
Abstract

This paper proposes and verifies the performance of an innovative and low cost coupling system for power line communication (PLC) on medium voltage (MV) smart grids. The coupling system makes use of the capacitive divider of the voltage detecting systems (VDSs) to inject and receive the PLC signal. VDS are usually already installed in the MV switchboards of the major electrical manufacturer all over the world according to IEC 61243-5. VDS are used to detect the presence of the mains voltage to guarantee personnel safety. An interface circuit has been developed to be connected between the PLC transceiver and the VDS socket. In this way, the PLC signal can be coupled to the MV network without installing a dedicated MV coupler, thus avoiding the related costs of the coupler, the installation, and the temporary service interruption. The innovative device is able to couple digitally modulated narrowband PLC signals with modulation rate up to 19.2 kbit/s. In this paper, first a description of the proposed solution is reported. Second, its communication performance has been tested in laboratory. Finally, different tests have been carried out in two MV smart grid real installations under normal operation, i.e., in the presence of the mains voltage. ? 2010-2012 IEEE.

Published
2018

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