Antonio Bracale
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View article: On the Aggregated Modelling of Large-Scale Wind Farms for Harmonic Studies
On the Aggregated Modelling of Large-Scale Wind Farms for Harmonic Studies Open
In this paper, the aggregated modelling of large-scalewind farms for harmonic studies is considered. The limitations of the harmonic emission assessment based on the IEC 61000-3-6 summation rule are analysed in a probabilistic framework. A…
View article: Hierarchical energy profile characterization of electric vehicle charging stations integrated with photovoltaic systems based on clustering techniques
Hierarchical energy profile characterization of electric vehicle charging stations integrated with photovoltaic systems based on clustering techniques Open
Secondary and primary substations of networks with electric vehicle (EV) chargers and photovoltaics (PVs) experience net loads characterized by uncertainty. Accurate characterization of EV, PV and net load energy profiles is necessary to p…
View article: Comparison of frequency domain models for assessing the harmonic emissions of low voltage photovoltaic systems
Comparison of frequency domain models for assessing the harmonic emissions of low voltage photovoltaic systems Open
The proliferation of photovoltaic (PV) systems connected to low voltage (LV) distribution networks can have detrimental impacts on waveform distortion. This is caused by the power electronic interface, with voltage source converter (VSC) t…
View article: Harmonic and Supra-Harmonic Emissions of Electric Vehicle Chargers: Modeling and Cumulative Impact Indices
Harmonic and Supra-Harmonic Emissions of Electric Vehicle Chargers: Modeling and Cumulative Impact Indices Open
The analysis of power quality disturbances in distribution systems has gained significance with the diffusion of electric vehicles (EVs). Waveform distortions are interesting since EV currents introduce distortions with spectral components…
View article: Cosine Windows in Interpolated DFT-based Method for an Accurate High-Frequency Distortion Assessment in Power Systems
Cosine Windows in Interpolated DFT-based Method for an Accurate High-Frequency Distortion Assessment in Power Systems Open
The transformation of electrical networks in the context of the new smart grid paradigm unavoidably involves new challenges regarding Power Quality (PQ) disturbances not only for customers but also for all the other involved stakeholders. …
View article: Real-Time Distribution Grid Control and Flexibility Provision under Uncertainties: Laboratory Demonstration
Real-Time Distribution Grid Control and Flexibility Provision under Uncertainties: Laboratory Demonstration Open
In this paper, we assess the effectiveness of forecasting and optimization algorithms on a laboratory demonstration platform that mimics a domestic distribution grid with a high penetration of photovoltaic (PV) systems. Despite the uncerta…
View article: Performance assessment of stacked air-cathode microbial fuel cells under series and parallel electrical connections
Performance assessment of stacked air-cathode microbial fuel cells under series and parallel electrical connections Open
Microbial fuel cells (MFCs) are playing an important role in the context of sustainable energy development. They represent a sustainable approach to harvest electricity from biodegradable materials. However, harvesting energy from MFCs rep…
View article: A New Advanced Method for an Accurate Assessment of Harmonic and Supraharmonic Distortion in Power System Waveforms
A New Advanced Method for an Accurate Assessment of Harmonic and Supraharmonic Distortion in Power System Waveforms Open
Waveforms distortion is a pressing concern in Smart Grids where a massive presence of new technologies in distributed energy resources and in advanced smart metering systems is expected. In this context, the increasing diffusion of high sw…
View article: Bayesian bootstrap quantile regression for probabilistic photovoltaic power forecasting
Bayesian bootstrap quantile regression for probabilistic photovoltaic power forecasting Open
Photovoltaic (PV) systems are widely spread across MV and LV distribution systems and the penetration of PV generation is solidly growing. Because of the uncertain nature of the solar energy resource, PV power forecasting models are crucia…
View article: Advanced Signal Processing Techniques Applied to Power Systems Control and Analysis
Advanced Signal Processing Techniques Applied to Power Systems Control and Analysis Open
The work published in this book is related to the application of advanced signal processing in smart grids, including power quality, data management, stability and economic management in presence of renewable energy sources, energy storage…
View article: Ensemble Forecasting Applied to Power Systems
Ensemble Forecasting Applied to Power Systems Open
Modern power systems are affected by many sources of uncertainty, driven by the spread of renewable generation, by the development of liberalized energy market systems and by the intrinsic random behavior of the final energy customers. For…
View article: Probabilistic Estimation of the Energy Consumption and Performance of the Lighting Systems of Road Tunnels for Investment Decision Making
Probabilistic Estimation of the Energy Consumption and Performance of the Lighting Systems of Road Tunnels for Investment Decision Making Open
This paper presents a probabilistic model for supporting the process of decision making about the value of new lighting systems in existing road tunnels when some data and parameters are affected by uncertainty. The proposed model, which w…
View article: Developing and Comparing Different Strategies for Combining Probabilistic Photovoltaic Power Forecasts in an Ensemble Method
Developing and Comparing Different Strategies for Combining Probabilistic Photovoltaic Power Forecasts in an Ensemble Method Open
Accurate probabilistic forecasts of renewable generation are drivers for operational and management excellence in modern power systems and for the sustainable integration of green energy. The combination of forecasts provided by different …
View article: Day-Ahead and Intraday Forecasts of the Dynamic Line Rating for Buried Cables
Day-Ahead and Intraday Forecasts of the Dynamic Line Rating for Buried Cables Open
Forecasting the dynamic line rating allows to reach peaks of operational excellence upon electrical networks. Literature on dynamic rating has mainly addressed overhead lines, whereas lesser attention has been paid to buried cables. Howeve…
View article: New Power Quality Indices for the Assessment of Waveform Distortions from 0 to 150 kHz in Power Systems with Renewable Generation and Modern Non-Linear Loads
New Power Quality Indices for the Assessment of Waveform Distortions from 0 to 150 kHz in Power Systems with Renewable Generation and Modern Non-Linear Loads Open
The widespread use of power electronics converters, e.g., to interface renewable generation systems with the grid or to supply some high-efficiency loads, has caused increased levels of waveform distortions in the modern distribution syste…
View article: Bidding strategy of a micro grid for the day-ahead energy and spinning reserve markets: the problem formulation
Bidding strategy of a micro grid for the day-ahead energy and spinning reserve markets: the problem formulation Open
The paper is addressed to the construction of an optimally bidding for a Micro Grid (MG) that takes part to both day-ahead energy and spinning reserve markets. The work shows that the decision about the amount of power to offer, related to…
View article: Distributed Energy Resources to Improve the Power Quality and to Reduce Energy Costs of a Hybrid AC/DC Microgrid
Distributed Energy Resources to Improve the Power Quality and to Reduce Energy Costs of a Hybrid AC/DC Microgrid Open
This chapter deals with microgrids (μGs), i.e., a group of interconnected loads and distributed energy resources that act as a single controllable entity with respect to the grid. The μGs can be classified into AC and DC μGs depending on t…
View article: Optimal Operation of Smart Grids Including Distributed Generation Units and Plug in Vehicles
Optimal Operation of Smart Grids Including Distributed Generation Units and Plug in Vehicles Open
The paper deals with the optimal operation of a Smart Grid (SG) including distributed resources based on dispersed generation (DG) units and plug-in vehicle fleets with the aim of furnishing some services both inside the SG and outside to …
View article: A Wavelet-Modified ESPRIT Hybrid Method for Assessment of Spectral Components from 0 to 150 kHz
A Wavelet-Modified ESPRIT Hybrid Method for Assessment of Spectral Components from 0 to 150 kHz Open
Waveform distortions are an important issue in distribution systems. In particular, the assessment of very wide spectra, that include also components in the 2–150 kHz range, has recently become an issue of great interest. This is due to th…
View article: A New Ensemble Probabilistic Method for Short-Term Photovoltaic Power Forecasting
A New Ensemble Probabilistic Method for Short-Term Photovoltaic Power Forecasting Open
The high penetration of photovoltaic (PV) systems led to their growing impact on the planning and operation of actual distribution systems. However, the uncertainties due to the intermittent nature of solar energy complicate these tasks. T…
View article: An Advanced Bayesian Method for Short-Term Probabilistic Forecasting of the Generation of Wind Power
An Advanced Bayesian Method for Short-Term Probabilistic Forecasting of the Generation of Wind Power Open
Currently, among renewable distributed generation systems, wind generators are receiving a great deal of interest due to the great economic, technological, and environmental incentives they involve. However, the uncertainties due to the in…