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Sautua A.H.,Ingeteam Power Technology Technology | Vidal M.A.R.,Ingeteam Power Technology Technology | Iglesias E.T.,University of the Basque Country | Lopez P.E.,University of the Basque Country
2013 IEEE Grenoble Conference PowerTech, POWERTECH 2013 | Year: 2013

Flexible AC Transmissions Systems (FACTS), developed during the last decades of the past century, have become one of the most remarkable solutions for the optimization of the electricity grid. Different types of FACTS have been proposed to solve similar transmission system operation problems. This paper reviews the FACTS devices used for solving these problems and the techniques used to optimize their location. The objective of the paper is to serve as a guide for selecting the right power system analysis and optimization techniques for a given transmission system problem, and the most used FACTS for this purpose. The main operation issues that have been considered are: voltage control, assets optimization, line overloads and grid congestion, voltage stability problems, angle stability problems, contingencies and economic issues. The study classifies the optimization methods in four groups, analyses their applications and extracts several conclusions from the bibliography analyzed and the actual state of the market for FACTS. © 2013 IEEE. Source


Vidal R.,Ingeteam Power Technology Technology | Angel M.,Ingeteam Power Technology Technology | Sautua A.H.,Ingeteam Power Technology Technology | Iglesias E.T.,University of the Basque Country | Lopez P.E.,University of the Basque Country
2013 IEEE Grenoble Conference PowerTech, POWERTECH 2013 | Year: 2013

This paper presents a real test bench for a Static Synchronous Series Compensator (SSSC). The test bench allows verifying the real control devices of a substation and the PLC close-loop control of the SSSC. The proposed SSSC test bench is a scale FACTS device of a 50MVA real SSSC that will be placed in the Spanish transmission grid. In this paper the design of the test bench is presented, including the main magnitudes of both grid and SSSC, along with the substation SSSC control scenario and the SSSC close-loop control strategy. Besides, the SSSC test bench dynamics and response has been validated using a model of the SSSC and its controls, developed in Matlab, and a model of the test bench, developed using SimPowerSystems toolbox. The paper shows the results of the simulation and compares them with the magnitudes measured in the test bench. © 2013 IEEE. Source


Barrenetxea M.,University of Mondragon | Baraia I.,University of Mondragon | Larrazabal I.,Ingeteam Power Technology Technology | Zubimendi I.,Ingeteam Power Technology Technology | And 2 more authors.
Proceedings - EUROCON 2015 | Year: 2015

Offshore wind farms provide benefits over onshore farms in terms of the amount of generated energy and environmental impact. Cost efficient energy transmission is one of the challenges of such installations. In this context, direct connection of DC wind turbines to the transmission line is a promising solution. This paper proposes a novel energy conversion scheme for the direct connection of the DC wind turbines to the transmission line. In addition, a brief comparison between two DC-DC converters is presented to establish the most suitable topology for the modular DC-DC converter required by the proposed energy conversion scheme. © 2015 IEEE. Source

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