Concept
Nodal analysis
Related publications (24)
Analytical Computation of the Sensitivity Coefficients in Hybrid AC/DC Networks
Mario Paolone, Willem Lambrichts
In this paper, we present a model for the analytical computation of the power flow sensitivity coefficients (SCs) for hybrid AC/DC networks. The SCs are defined as the partial derivates of the nodal voltages with respect to the active and reactive power in ...
2024DC Power Distribution Networks with Direct Current Transformers
The shift towards DC power distribution networks, enabled by power electronics technologies, is changing the nature of electrical power systems. Nowadays, DC power distribution networks can effectively support the high penetration of distributed energy res ...
EPFL2024Methods for Grid-aware Operation and Planning of Active Distribution Networks
The thesis presents methods for controlling and planning distributed energy resources (DERs) in active distribution networks (ADNs). It deals with three main challenges: (i) developing and experimentally validating grid-aware real-time control frameworks, ...
EPFL2023Experimental Validation of Model-less Robust Voltage Control using Measurement-based Estimated Voltage Sensitivity Coefficients
Mario Paolone, Rahul Kumar Gupta
Increasing adoption of smart meters and phasor measurement units (PMUs) in power distribution networks are enabling the adoption of data-driven/model-less control schemes to mitigate grid issues such as over/under voltages and power-flow congestions. Howev ...
IEEE2023Coordinated day-ahead dispatch of multiple power distribution grids hosting stochastic resources: An ADMM-based framework
Mario Paolone, Rahul Kumar Gupta, Sherif Alaa Salaheldin Fahmy
This work presents an optimization framework to aggregate the power and energy flexibilities in an interconnected power distribution systems. The aggregation framework is used to compute the day-ahead dispatch plans of multiple and interconnected distribut ...
2022Admissibility of Uncertain Injections in Quadratic Algebraic Systems
Jean-Yves Le Boudec, Cong Wang, Eleni Stai
We study the admissibility problem in multivariate algebraic systems, such as ac electrical networks, where the power injection is quadratic in the state. The goal of such systems is to ensure that the state stays in some security set (e.g., magnitudes of ...
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC2021Analytical Computation of Power Grids’ Sensitivity Coefficients with Voltage-Dependent Injections
Mario Paolone, Sherif Alaa Salaheldin Fahmy
With the increasing need of real-time regulation in power systems, grid-aware-control-frameworks are relying more often on sensitivity coefficients (SCs) to formulate and efficiently solve optimal control problems. As known, SCs are the derivatives of cont ...
IEEE2021Compound Admittance Matrix Estimation of Three-phase Untransposed Power Distribution Grids using Synchrophasor Measurements
Jean-Yves Le Boudec, Mario Paolone, Fabrizio Sossan, Rahul Kumar Gupta
The paper considers the problem of estimating the parameters of the compound admittance matrix of three-phase untransposed low-and medium-voltage electrical distribution networks using synchrophasor measurements from phasor measurement units (PMUs). The wo ...
2021On the Properties of the Compound Nodal Admittance Matrix of Polyphase Power Systems
Mario Paolone, Andreas Martin Kettner
Most techniques for power system analysis model the grid by exact electrical circuits. For instance, in power flow study, state estimation, and voltage stability assessment, the use of admittance parameters (i.e., the nodal admittance matrix) and hybrid pa ...
2018On the Properties of the Power Systems Nodal Admittance Matrix
Mario Paolone, Andreas Martin Kettner
This letter provides conditions determining the rank of the nodal admittance matrix, and arbitrary block partitions of it, for connected AC power networks with complex admittances. Furthermore, some implications of these properties concerning Kron Reductio ...
Institute of Electrical and Electronics Engineers2018