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Power Network Disturbances due to the Presence of FACTS

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This paper investigates the application of passivity-based nonlinear control to the problem of primary voltage stabilization in medium-voltage DC microgrids (MVDC mGs) given by the interconnection of nonlinear distributed generation units (DGUs) and power ...

IEEE2018

Optimizing HVDC Grid Expansion and Control for Enhancing DC Stability

Maryam Kamgarpour, Luca Furieri

This paper analyzes the problem of the expansion of an offshore HVDC network. We assess which new HVDC link deployment ensures the highest stabilization of the DC voltage under transient conditions, in the worst-case scenario and for a given grid topology. ...

IEEE2018

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In modern power systems, Rate of Change of Frequency (ROCOF) is employed in monitoring and control applications. However, a standard approach towards ROCOF measurements is still missing. In this paper, we investigate the feasibility of Phasor Measurement U ...

IEEE2018

Interactions Between Bandwidth Limited CPLs and MMC Based MVDC Supply

Drazen Dujic, Francisco Daniel Freijedo Fernández, Alexandre François Christe, Uzair Javaid

With the improvement in the power electronic technologies, medium voltage dc (MVDC) electrical distribution systems are being considered for on-shore and off-shore applications. These future MVDC electrical distribution systems are expected to provide the ...

2017

Cybersecurity Solutions for Active Power Distribution Networks

Teklemariam Tsegay Tesfay

An active distribution network (ADN) is an electrical-power distribution network that implements a real-time monitoring and control of the electrical resources and the grid. Effective monitoring and control is realised by deploying a large number of sensin ...

EPFL2017

Nowadays electrical energy generation is an important topic discussed in the society. Since technologies like wind or solar energy generation are most of the time placed far away from the city centres one point to focus on is the transmission of the energy ...

EPFL2017

Single-End FPGA-Based Fault Location System for Radial/Meshed AC/DC Networks based on the Electromagnetic Time Reversal Theory

Mario Paolone, Reza Razzaghi

The paper presents an automated single-end FPGA-based fault location system for AC/DC power networks. The proposed system is based on the electromagnetic time reversal theory and uses an automated FPGA-based real-time simulator to perform the fault locatio ...

IEEE2017

Fast Simulation of Electromagnetic Transients in Power Systems

Reza Razzaghi

The development of modern and future power systems is associated with the definition of new approaches for their simulation, control, and protection. To give an example, the increasing connection of massive renewable energy conversion systems is justifying ...

EPFL2016

Real-Time Control Framework for Active Distribution Networks Theoretical Definition and Experimental Validation

Lorenzo Enrique Reyes Chamorro

The great challenge of massively integrating the volatile distributed power-generation into the power system is strongly related to the evolution of their operation and control. The literature of the last decade has suggested two models for such an evoluti ...

EPFL2016

Redundancy in Communication Networks for Smart Grids

Miroslav Popovic

Traditional electric power grids are currently undergoing fundamental changes: Representative examples are the increase in the penetration of volatile and decentralized renewable-energy sources and the emerging distributed energy-storage systems. These cha ...

EPFL2016