Inertia is a measure of power system's capability to counteract frequency disturbances: in conventional networks, inertia approximately constant over time, which contributes network stability. However, as the share renewable energy sources increases, associated synchronous generators declines, may pose threat overall Reliably estimating systems dominated by inverted-connected has therefore become paramount importance. We develop framework for continuous estimation an electric system,...

This study tackles the issue of electromechanical modes identification through a measurement‐based methodology employing novel signal decomposition theorem based upon Hilbert transform. The aims to answer in simpler and more pragmatic manner main weaknesses Hilbert–Huang transform with respect major refinements relevant literature. These weak points are discussed sufficient detailed degree study. contribution this consists combining recent for separating an assigned into elemental ones, each...

European energy policy guidelines recognise renewable sources the main mean to contrast rapid fossil fuels depletion and related global warming. Marine source represents an attractive inexhaustible reservoir from which draw. One of major difficulties in integrating sea wave generation systems or equivalently converters (WECs) with existing electrical is management their intermittency. This essentially due inherent nature source. Energy storage effective enabling technology for mitigating...

As renewable energy sources are integrated into power systems, the complexity of their management increases.For analysis modern clustering algorithms have become indispensable tools.The representation an electric transmission system involves conceptualizing it as a graph-a mathematical structure depicting set nodes and edges.In context these correspond to buses, edges represent branches.Weighting may be assigned denote strength connections.In this paper, spectral hierarchical agglomerative...

In this study, a new estimation algorithm is proposed for determining the damping of real-life electromechanical oscillations in power systems. The main contribution study to enhance inherent resilience methodology estimating modes, even case potential data packet dropouts time-synchronised acquired signals. regard, basic idea was exploit regularisation action Hilbert transform on dropouts. secondary relies tailoring rigorous method levels, thus improving recent procedure, by same authors,...

The secure operation of the transmission grid is primary importance for any power system operator. However, introduction new technologies, market deregulation, and increasing levels interconnectivity have made analysis assessment security both more challenging essential than ever. In this context, data-driven-based methodologies are being increasingly employed to classify anticipate insecure future states, make inferences on potential triggers undesired operational conditions. This paper...

The operation of the hierarchy-based voltage regulation architecture Italian transmission system is being affected by efforts to fight climate change. Energy production becoming more distributed and converter-based, as a result increased use renewable energy sources progressive shutdown less-sustainable power plants (like coal-fired ones), which affects controllability system. Therefore, actual secondary control, dedicated maintaining specific nodes at given reference value, less effective....

The article presents a novel wide-area control for power systems with grid-forming converters. concept of the proposed wide-synchronization is first introduced, and theoretical proof offered. A simple yet effective methodology tuning also derived. then applied to actual case European system, taken into examination an appropriate large-scale dynamic model. results analysis indicate that leads considerable improvement characteristics system. aspects related latencies energetic requirements are...

In this study, the role of self-validated computing for solving energy hub-scheduling problem in presence multiple and heterogeneous sources data uncertainties is explored a new solution paradigm based on affine arithmetic conceptualised. The benefits deriving from application methodology are analysed details, several numerical results presented discussed.

An accurate monitoring of power system behavior is a hot-topic for modern grid operation. Low-frequency oscillations (LFO), such as inter-area electromechanical oscillations, are detrimental phenomena impairing the development itself and also integration renewable sources. interesting countermeasure to prevent occurrence continuously identify their characteristic mode parameters, possibly realizing an online system. In this paper attempt develop modal parameters identification done using...

This study presents the assumptions and strategies for practical implementation of dynamic mode decomposition approach in wide-area monitoring system Italian transmission operator, Terna. The procedure setup aims to detect poorly damped interarea oscillations power systems. Dynamic is a data-driven technique that has gained increasing attention different fields; proposed can both characterize oscillatory modes identify most influenced areas. results its operational experience monitoring. It...

The paper deals with a novel method for detecting and analyzing inter-area oscillations on electric power transmission networks. starts from the modal analysis performed by Dynamic Mode Decomposition algorithm, which is able to exploit synchronized acquisitions of various measurement instruments detect mode dynamic system. Compared classical proposed presents fundamental improvement, ensures its reliability even without having prior information type input signal. In particular, order DMD,...

The paper presents a novel procedure for real-time detection of inter-area mode using distributed signals obtained by phasor measurement units (PMUs). Wide Area Control System could be intrinsically corrupted noise and moreover characterized data packets dropout due to transmission errors, buffer overflows so on. In order deal with the aforementioned troubles, an architecture which firstly performs proper reconstruction technique, based upon linear regression, digital filtering is proposed....

Wind park design is not a straightforward task because it involves many heterogeneous aspects to handle in integrated and systemic way. Historically, the reliability issue has often been neglected favor of economic power systems design. By following modern tendency system literature, constraints have be satisfied priori, for sake security safety. For this reason, rationale procedure developed paper suitably comparing various alternatives, at aim identifying optimal candidate realized. In...

An adequate assessment of line transfer requirements for wind power generation assumes a key role in modern electrical system operation. This issue is increasingly important many countries, as collateral effect the electricity market deregulation. Moreover, an efficient needs proper probabilistic characterization sources, also taking into account correlation between speeds at different sites. Several models speed (WS) were proposed literature, such Weibull, Gamma, Burr, etc. Different...

Low-frequency oscillations (LFOs) are inherent phenomena of modern interconnected electrical power systems, essentially caused by the continuous exchange momentum among rotating masses. It is widely recognized that LFOs can be induced both occurrence multiple disturbances and existence periodic disturbance sources. classified into negative damped forced oscillations. The former suppressed standard controllers (e.g., system stabilizers). latter cannot eliminated until source removed or...

The paper addresses the problem of Dynamic Line Rating (DLR) estimation for OverHead transmission Lines (OHLs) in context Wide Area Monitoring Systems (WAMSs). DLR is universally recognized by experts from academia and industry as one most viable solution a reliable exploitation real power systems thermal loadability margins. In this domain, large quantity synchronized data acquired WAMSs allows to design effective frameworks assessment. To address issue, various technical challenges, many...