Giacomo Viganò

Ricerca Sistema Energetico | RSE · Energy system development

The expansion of distributed renewable resources, together with increased demand from the electrification of transport and heating sectors, impacts distribution networks significantly. Additionally, the emergence of non-programmable and intermittent generators is set to diminish the dominance of traditional rotating and programmable generation, the...

https://www.rse-web.it/rapporti/pianificazione-delle-reti-di-distribuzione-analisi-delle-reti-urbane-e-potenziale-contributo-dalle-flessibilita-locali/ Questo rapporto presenta lo sviluppo e l’applicazione di una metodologia atta a definire gli scenari elettrici ed energetici al 2030, con particolare enfasi sull’elettrificazione dei consumi, la ric...

Il rapporto raccoglie le migliori pratiche dei distributori sulla pubblicazione dei dati di rete e sui possibili usi di questi dati a supporto del funzionamento e della pianificazione delle reti di distribuzione. https://www.rse-web.it/rapporti/analisi-delle-buone-pratiche-internazionali-sulla-pubblicazione-ed-uso-degli-open-data-riguardanti-il-si...

https://www.rse-web.it/rapporti/rassegna-e-analisi-dei-principali-progetti-rivolti-allacquisizione-di-servizi-di-flessibilita-locale/ Il documento esamina come gli operatori stiano sperimentando pratiche per adattarsi all’evoluzione del sistema elettrico dovuta all’elettrificazione dei consumi e all’aumento della generazione distribuita rinnovabil...

Modern distribution systems face new challenges due to the rise of small-scale renewable energy resources and the electrification of energy demand. Additionally, the complexity of network management increases with the exchange of flexibility services between distribution and higher voltage levels. The system operator's role involves optimizing the...

The diffusion of electric vehicles is fundamental for transport sector decarbonization. However, a major concern about electric vehicles is their compatibility with power grids. Adopting a whole-power-system approach, this work presents a comprehensive analysis of the impacts and benefits of electric vehicles’ diffusion on a national power system,...

Following the decarbonization objectives, the future increase in electric loads will significantly impact the electric distribution network, particularly networks feeding urban areas, due to the high density of end users. This paper presents a methodology for integrating network data with public information to forecast the future scenarios of heat...

Il rapporto descrive in dettaglio le metodologie semplificate di pianificazione delle reti di distribuzione in media tensione, sviluppate per condurre delle analisi quantitative speditive dei possibili scenari di evoluzione del sistema elettrico italiano. Si riportano, inoltre, i risultati delle analisi preliminari effettuate sulle reti di distribu...

Questo rapporto presenta la metodologia sviluppata per definire gli scenari elettrici ed energetici al 2030, in cui è stata posta particolare enfasi sull’elettrificazione dei consumi, la ricarica EV e le FER. Attraverso algoritmi di simulazione reti sono stati analizzati gli effetti dei nuovi scenari sulle aree di studio selezionate (in collaborazi...

The future share electromobility will significantly impact the electric distribution network, particularly on the networks that serve urban areas, due to the high density of end users. This paper presents a methodology for integrating network data with public information to forecast the future scenarios of electromobility. These scenarios have been...

The local environmental concerns and the decarbonization process favored by European and national policymakers drive the spread of new technologies, such as electric heating/cooling systems, residential photovoltaic generators, and electric mobility. Since these new equipment are mostly connected to the MV and LV levels of the electricity network,...

Modern planning techniques for distribution systems consider, in addition to the conventional grid reinforcement, the provision of power flexibility from local resources. This solution is demonstrated to be cost-effective in numerous cases. However, distribution resources might be required to provide services to transmission system too, and this as...

The local environmental concerns and the need to replace fossil fuels with renewable sources to decrease carbon dioxide emissions, are driving the spread of new technologies, such as electric heating/cooling systems, residential photovoltaic generators, and electric mobility. These new equipment will be mostly connected to the electricity distribut...

The continuously growing distributed generation and the business potential for demand response are gradually enabling significant provision of flexibility and reserve towards distribution networks. For this reason, transmission and distribution system operators need to coordinate their operation in order to develop efficient market arrangements tha...

The research activity aims to explain the expected effects of the future development of eMobility and the related charging infrastructures on Italian distribution networks. South Tyrol one has been chosen as reference case. The activity has been carried out In collaboration with Edyna (South Tyrol regional Distribution System Operator) and Alperia...

The project SmartNet (http://smartnet-project.eu) aims at providing architectures for optimized interaction between TSOs and DSOs in managing the exchange of information for monitoring, acquiring and operating ancillary services (frequency control, frequency restoration, congestion management and voltage regulation) both at local and national level...

The project SmartNet (http://smartnet-project.eu) aims at providing architectures for optimized interaction between TSOs and DSOs in managing the exchange of information for monitoring, acquiring and operating ancillary services (frequency control, frequency restoration, congestion management and voltage regulation) both at local and national level...

The project SmartNet (http://smartnet-project.eu) aims at providing architectures for optimized interaction between TSOs and DSOs in managing the exchange of information for monitoring, acquiring and operating ancillary services (frequency control, frequency restoration, congestion management and voltage regulation) both at local and national level...

The project SmartNet (http://smartnet-project.eu) aims at providing architectures for optimized interaction between TSOs and DSOs in managing the exchange of information for monitoring, acquiring and operating ancillary services (frequency control, frequency restoration, congestion management and voltage regulation) both at local and national level...

The secure operation of future power systems will rely on better coordination between transmission system and distribution system operators. Increasing integration of renewables throughout the whole system is challenging the traditional operation. To tackle this problem, the SmartNet project proposes and evaluates five different coordination scheme...

Strategies outlined at national and European level, aimed at increasing the sustainability of the energy sector, are fostering alternative drive systems for public and private transport. In particular, e-mobility’s market share is expected to increase significantly in the years ahead. The paper summarizes the results of activities on assessing the...

Many projections of near-future electricity system foresee a constantly increasing necessity of power flexibility services. In particular, thanks to the growing presence of renewable generation and innovative load technologies, distribution resources are becoming attractive products in ancillary services markets. In order to open the market gates t...

Distribution resources are becoming more and more attractive to ancillary services markets, especially since their continuous evolution is gradually replacing the flexibility of conventional power plants. Forwarding distribution flexibility to the transmission system can be significantly affected by the distribution network characteristics (impedan...

The paper deals with the issue of using assets for supporting network operations, without being in conflict with business actors. It is presented a novel business framework in which the distribution system operator, playing the role of market facilitator, operates its own energy assets (including energy storage) in a pro-active way, using them to s...

Many projections of near-future electricity system foresee a constantly increasing necessity of power flexibility services. In particular, thanks to the growing presence of renewable generation and innovative load technologies, distribution resources are becoming attractive products in ancillary services markets. In order to open the market gates t...

Debutta Visioni diveRSE, un nuovo filone monografico dedicato agli stakeholder, dove gli scenari non sono previsioni, ma rappresentano descrizioni di possibili evoluzioni alternative di un sistema basate su un set di ipotesi internamente coerenti. Il contesto energetico mondiale è interessato da profondi cambiamenti che stanno ridisegnando la mappa...

The continuous integration of large quantities of Renewable Energy Sources (RES) is challenging the whole European power system, both at the transmission and the distribution level. One commonly proposed solution to handle these challenges is ancillary services provided by connected units. For a secure operation of the network all units—including R...

The steadily increase of Distributed Energy Resources (DERs) in Electricity Distribution Networks (DNs) can affect the security and quality levels of the supply. To overcome these issues the Distribution System Operators (DSOs) have to adopt control solutions which, on the other hand, could however make the management of the network more complex. M...

This paper presents two applications of Optimal Power Flow analysis for active and reactive power redispatch in medium-voltage distribution networks and shows how this tool can be used to efficiently manage the selection and operation of network resources as well as the definition of a market interface with the transmission network. The description...

The electricity system is subject to continuous evolution stimulated by the integration of renewable energysources. This transformation is having deep impacts on the planning and operation of networks and new potentialroles of system operators are currently investigated. In particular, having assumed a future in which the energydemand is largely sa...

Active Distribution Networks (ADNs), which are distribution networks with high presence of Distributed Generation (DG) – in particular from Renewable Energy Sources (RESs) - represent a challenge for Distributed System Operators (DSOs). In recent years, the installation of Electrical Storage Systems (ESSs) managed by the DSO is under investigation...

Since the last decade, distribution networks are facing a continuously growing penetration of distributed generation, mostly thanks to the “clean energy” incentives promoted by national governments. In particular, these initiatives have enhanced the presence of renewable-based generators in electricity grids. Taking advantage of their intermittent...

The centralized control is one of the methods proposed, also by the Italian Regulatory Authority (consultation 255/15), to integrate more renewable energy sources in the electrical networks. Due to the limited number of available measurements in the distribution system, one of the key problems for a centralized control scheme is the correct estimat...

The recent increase of distributed generation in distribution networks has determined the necessity of developing new control strategies for the mitigation of power quality issues. One of these functions, considered as one of the most promising solutions for the management of voltage congestions, is represented by the droop control of DG units. The...

Storage systems represent an important instrument to increase the renewable electricity generation, in particular in distribution networks. However, there are still many issues due to cost effectiveness of this solution, but also related to the lack of experience on the management of these devices and on their effects on the distribution network. O...

The integration of generation units in distribution grids is one of the main research topics in the field of smart grids. Governments are supporting the connection of small/medium size generators directly to the distribution network, but the consequent growing number of energy producers poses several technical issues. For the planning and operation...

The fast growth of distributed generation (DG), in particular from non-programmable renewable resources, poses many challenges on the management of MV networks. Storage systems, operated by the Distributor System Operator (DSO) or by third parties, may mitigate both the local and global effects of the DG. A major challenge is the identification of...

Storage devices are gaining interest as possible options to improve operation of ‘active’ distribution networks in presence of high level of distributed generation, especially from Renewable Energy Resources (RES). The Italian demonstrator of the GRID4EU project (www.grid4eu.eu) is testing in a real field an advanced voltage control for active MV n...

The diffusion of Distributed Generation (DG) based on Renewable Energy Sources (RES) requires new strategies to ensure reliable and economic operation of the distribution networks and to support the diffusion of DG itself. An advanced algorithm (DISCoVER – DIStribution Company VoltagE Regulator) is being developed to optimize the operation of activ...

The contribution describes the algorithm to increase the hosting capacity of the distribution network by means of Voltage control of Medium Voltage feeders in presence of storage units and its application on a large MV network in the framework of the Italian demonstration of the FP EU project GRID4EU (www.grid4eu.eu). The distinctive feature of the...

The quick growth of Distributed Generation (DG), especially from Renewable Energy Sources (RES), poses new challenges to distribution networks to fulfill the technical constraints, the Distribution System Operator (DSO) will have the possibility of coordinating both directly owned and third-party resources.