Search Results for author:
Found 23 papers, 0 papers with code
Grid-aware Scheduling and Control of Electric Vehicle Charging Stations for Dispatching Active Distribution Networks. Part-II: Intra-day and Experimental Validation
MPC accounts for the uncertainty of the power injections from stochastic resources (such as demand and generation from photovoltaic - PV plants) by short-term forecasts.
Ensuring Solution Uniqueness in Fixed-Point-Based Harmonic Power Flow Analysis with Converter-Interfaced Resources: Ex-post Conditions
Notably, the effectiveness of the fixed-point formulation and the uniqueness of the solution are evaluated through numerical analyses conducted on a modified version of the CIGRE low-voltage benchmark microgrid.
On the Use of Cramer-Rao Lower Bound for Least-Variance Circuit Parameters Identification of Li-ion Cells
The paper proposes a novel algorithm for designing the EIS experiments by applying the theory on Cramer-Rao Lower Bound (CRLB) and Fisher Information Matrix (FIM) to the identification problem.
Experimental Validation of a Grid-Aware Optimal Control of Hybrid AC/DC Microgrids
The SCs are based on the unified power flow model for hybrid AC/DC grids that accounts for the AC grid, DC grid, and the Interfacing Converters (IC), which can operate in different control modes, e. g. voltage or power control.
Probabilistic Load Forecasting of Distribution Power Systems based on Empirical Copulas
Accurate and reliable electricity load forecasts are becoming increasingly important as the share of intermittent resources in the system increases.
Analytically Computation of Sensitivity Coefficients in Hybrid AC/DC Micro-Grid
In this paper, we present a closed-form model for the analytical computation of the power flow sensitivity coefficients (SCs) for hybrid AC/DC networks.
General and Unified Model of the Power Flow Problem in Multiterminal AC/DC Networks
Compared to other recent works, the proposed method allows multiple ICs to regulate the DC voltage simultaneously.
Enhanced Frequency Containment Reserve Provision from Battery Hybridized Hydropower Plants: Theory and Experimental Validation
This paper presents a solution to address wear and tear of Run-of-River (RoR) Hydropower Plants (HPPs) providing enhanced Frequency Containment Reserve (FCR).
Computation of Ultra-Short-Term Prediction Intervals of the Power Prosumption in Active Distribution Networks
Microgrids and, in general, active distribution networks require ultra-short-term prediction, i. e., for sub-second time scales, for specific control decisions.
Experimental Validation of Model-less Robust Voltage Control using Measurement-based Estimated Voltage Sensitivity Coefficients
The estimated voltage sensitivity coefficients are used to model the nodal voltages, and the control robustness is achieved by accounting for their uncertainties.
Computationally-Efficient Synchrophasor Estimation: Delayed in-quadrature Interpolated DFT
The main feature of the method is its ability to detect interfering tones with an amplitude lower than that adopted by the IEC/IEEE Std.
Harmonic Power-Flow Study of Hybrid AC/DC Grids with Converter-Interfaced Distributed Energy Resources
This paper updates the HPF method to model hybrid AC/DC grids interconnected through NICs.
Modelling of AC/DC Interactions of Converter-Interfaced Resources for Harmonic Power-Flow Studies in Microgrids
Power distribution systems experience a large-scale integration of Converter-Interfaced Distributed Energy Resources (CIDERs).
Model-less Robust Voltage Control in Active Distribution Networks using Sensitivity Coefficients Estimated from Measurements
This formulation is applied to control distributed controllable photovoltaic (PV) generation in a distribution network to restrict the voltage within prescribed limits.
Coordinated Day-ahead Dispatch of Multiple Power Distribution Grids hosting Stochastic Resources: An ADMM-based Framework
Specifically, the proposed framework optimizes the dispatch plan of an upstream medium voltage (MV) grid accounting for the flexibility offered by downstream low voltage (LV) grids and the knowledge of the uncertainties of the stochastic resources.
Optimal Grid-Forming Control of Battery Energy Storage Systems Providing Multiple Services: Modelling and Experimental Validation
This paper proposes and experimentally validates a joint control and scheduling framework for a grid-forming converter-interfaced BESS providing multiple services to the electrical grid.
Local Effects of Grid-Forming Converters Providing Frequency Regulation to Bulk Power Grids
The progressive displacing of conventional generation in favour of renewable energy sources requires restoring an adequate capacity of regulating power to ensure reliable operation of power systems.
Harmonic Power-Flow Study of Polyphase Grids with Converter-Interfaced Distributed Energy Resources, Part II: Model Library and Validation
the number of CIDERs and the maximum harmonic order ($\leqslant$25).
Harmonic Power-Flow Study of Polyphase Grids with Converter-Interfaced Distributed Energy Resources, Part I: Modelling Framework and Algorithm
In this paper, a method for the calculation of the so-called Harmonic Power-Flow (HPF) in three-phase grids with CIDERs is proposed.
Performance assessment of Synchronous Condensers vs Voltage Source Converters providing grid-forming functions
This work presents a comparison between two technologies with grid-forming capability: the VSC with a grid-forming control coupled with an adequate energy storage system, and the synchronous condensers (SC).
Leverage Point Identification Method for LAV-Based State Estimation
The state estimation problem can be solved through different methods.
Real-time Control of Battery Energy Storage Systems to Provide Ancillary Services Considering Voltage-Dependent Capability of DC-AC Converters
To guarantee the feasibility of the power set-points with respect to both the converter capability and BESS security constraints, the final power set-points calculation is formulated as a nonconvex optimization problem.
