Browsing by Author "Prieto Araujo, Eduardo"
Now showing items 1-20 of 39
-
Anàlisi dinàmica de xarxes multiterminal HVDC-VSC per al transport d'energia elèctrica en corrent continu en parcs eòlics marins
(Universitat Politècnica de Catalunya, 2011-02)
Master thesis (pre-Bologna period)
Open AccessEl projecte presenta un mètode d'anàlisi dinàmica per al disseny del control droop emprat en les xarxes multiterminal d'alta tensió en corrent continu HVDC (High Voltage Direct Current) que interconnecten parcs eòlics ... -
Analysis of MMC energy-based control structures for VSC-HVDC links
(Institute of Electrical and Electronics Engineers (IEEE), 2018-02-06)
Article
Restricted access - publisher's policy -
Control design of Modular Multilevel Converters in normal and AC fault conditions for HVDC grids
(2017-11)
Article
Open AccessThis paper describes a control design strategy of Modular Multilevel Converters (MMC) for High Voltage Direct Current (HVDC) applications to operate during normal and AC fault conditions. First, a steady state analysis of ... -
Control of modular multilevel converters under singular unbalanced voltage conditions with equal positive and negative sequence components
(2017-05-01)
Article
Restricted access - publisher's policyThis paper focuses on the control of Modular Multilevel Converters (MMC) for High Voltage DC (HVDC) applications during unbalanced AC grid voltage sags where positive and negative sequence voltages are equal. The control ... -
Coordinated control design of the voltage and current loop of a current flow controller for meshed HVDC grids
(2017)
Conference report
Restricted access - publisher's policyThis paper is focused in the control design of a DC/DC Current Flow Controller (CFC) for meshed HVDC grids. It proposes a control design methodology based on an outer current loop to ... -
DC voltage droop control design for multiterminal HVDC systems considering AC and DC grid dynamics
(2016-04-01)
Article
Open AccessThis paper focuses on the droop-based dc voltage control design for multiterminal VSC-HVDC grid systems, considering the ac and the dc system dynamics. The droop control design relies on detailed linearized models of the ... -
Decentralized control of a nine-phase permanent magnet generator for offshore wind turbines
(2015-09-01)
Article
Open AccessThis paper presents a decentralized current control approach for a nine-phase wind turbine generator. This type of generator has three different three-phase stators sharing the same machine yoke and connected to the grid ... -
Design and implementation of an LCL DC/DC converter prototype for DC grids
(2017)
Conference report
Restricted access - publisher's policyThis paper is focused on the design and implementation of an LCL DC/DC converter prototype. This inductor-capacitor-inductor (LCL) topology offers some promising properties as fault tolerant capability for DC grids, being ... -
Design methodology of the primary droop voltage control for DC microgrids
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Open Accessn this article, a complete methodology to design the primary voltage droop control for a generic DC microgrid is proposed. First, a procedure to obtain a linear model of the complete system including the different converters ... -
Disturbance attenuation of DC voltage droop control structures in a multi-terminal HVDC grid
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyDC voltage droop control is seen as the preferred control structure for primary voltage control of future multi-terminal HVDC systems. Different droop control structures have been proposed in literature which can be ... -
ENERGIES RENOVABLES (1r quadrimestre)
(Universitat Politècnica de Catalunya, 2017-01-25)
Exam
Restricted access to the UPC academic community -
Experimental validation of a single phase Intelligent Power Router
(2015-12)
Article
Restricted access - publisher's policyCurrent power networks are facing numerous challenges in transmission and distribution in order to accommodate distributed generation from renewables. As a result, the current grid needs to evolve towards a system with ... -
Extended current limitation for unbalanced faults in MMC–HVDC–connected wind power plants
(2017-12-20)
Article
Restricted access - publisher's policyIEEE Modular multilevel converters (MMCs) are currently used in a number of high–voltage dc (HVdc) projects connecting very remote offshore wind power plants (WPPs) to shore. For this application the offshore high–voltage ... -
Fault mode operation strategies for dual H-bridge current flow controller in meshed HVDC grid
(2018-07-01)
Article
Open Access -
Handling of unbalanced faults in HVDC-connected wind power plants
(2017-11)
Article
Open AccessHigh-voltage DC (HVDC) connections enable integration of wind power plants located very far from shore. The decoupled AC offshore grid comprises multiple WT converters, and the voltage magnitude and frequency is primarily ... -
Harmonic stability and interactions in meshed VSC-HVDC dominated power systems
(Energynautics GmbH, 2017)
Conference report
Restricted access - publisher's policyHVDC technology is being increasingly used to integrate RES, transmit power via long distance connections, interconnect regions to allow for cross-border sharing of resources and, strengthen AC networks among others. Such ... -
Impact of converter losses on the optimal power flow solution of hybrid networks based on VSC-MTDC
(2017-10)
Article
Restricted access - publisher's policyThis paper studies the impact of voltage source converter (VSC) losses on the solution of the optimal power flow (OPF) of hybrid AC/DC systems with a multi-terminal configuration. The motivation of this analysis is that ... -
Impedance-based analysis of harmonic instabilities in HVDC-connected Offshore Wind Power Plants
(2019-03-01)
Article
Restricted access - publisher's policyHVDC-connected Offshore Wind Power Plants (OWPPs) with a large number of power converters are prone to instabilities due to interactions with converter controllers. This paper analyzes harmonic instabilities in OWPPs ... -
Impedance modelling and parametric sensitivity of a VSC-HVDC system: New insights on resonances and interactions
(2018-04-01)
Article
Open AccessPervasiveness of power converters in the electric power system is expected in the future. Such large penetration will change the current power system dynamics leading to uncertain, unexpected, and potentially critical ... -
Implementation of a power hardware in the loop platform with a real time power flow calculation using PSS\E
(Institute of Electrical and Electronics Engineers (IEEE), 2017)
Conference report
Restricted access - publisher's policyA Power Hardware in the Loop (PHIL) platform implementation for performing real time simulations of electric systems is proposed. The test bench consists of a PSS R © E real time power flow calculation in combination ...
