Browsing by Author "Egea Àlvarez, Agustí"
Now showing items 1-13 of 13
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Active and reactive power control of grid connected distributed generation systems
(2012)
Part of book or chapter of book
Restricted access - publisher's policyThe present chapter describes active and reactive power control for distributed generation and storage systems connected to the grid by means of voltage source converters. Renewable generation and storage systems connected ... -
Advanced vector control for voltage source converters connected to weak grids
(2015-11-01)
Article
Open AccessThis paper addresses an advanced vector current control for a voltage source converter (VSC) connected to a weak grid. The proposed control methodology permits high-performance regulation of the active power and the voltage ... -
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 ... -
Droop control for loss minimization in HVDC multi-terminal transmission systems for large offshore wind farms
(2014-07)
Article
Restricted access - publisher's policyA control scheme is proposed in order to minimize the losses in multi-terminal HVDC systems for large offshore wind power plants. This approach is based on two cascaded control schemes. A low level droop control regulates ... -
Experimental implementation of a voltage control for a Multiterminal VSC-HVDC offshore transmission system
(2012)
Conference report
Restricted access - publisher's policy -
Hierarchical power control of multiterminal HVDC grids
(2015-04-01)
Article
Open AccessThis article introduces a hierarchical power control structure for Multi-terminal High Voltage Direct Current (MT-HVDC) systems. The presented hierarchy is similar to the control structure used in classical AC transmission ... -
Modeling and analysis approaches for small-signal stability assessment of power-electronic-dominated systems
(2022-01-01)
Article
Open AccessThe stability, operation, and control of power networks have been challenged due to the increased penetration of power electronic converters. New instability phenomena have appeared due to the interaction of the power ... -
Modelització, control i simulació de xarxes multiterminal de transport d'energia elèctrica en corrent continu (HVDC-VSC)
(Universitat Politècnica de Catalunya, 2010-06)
Master thesis (pre-Bologna period)
Open AccessAquest projecte presenta un estudi de modelització, disseny de controladors i mètodes d'operació d'una xarxa multiterminal en corrent continu. També es realitzen un seguit de simulacions, amb l'eina informàtica MATLAB-SIMULINK ... -
Multiterminal HVDC transmissions systems for offshore wind
(Universitat Politècnica de Catalunya, 2014-09-26)
Doctoral thesis
Open AccessOffshore wind is emerging as one of the future energy vectors. Offshore wind power plants locations provide more strong and constant wind speed that allows to extract more power compared to onshore locations. In addition, ... -
Optimal power flow tool for mixed highvoltage alternating current and high-voltage direct current systems for grid integration of large wind power plants
(2015-11-01)
Article
Open AccessThis study presents a tool for solving optimal power flows (OPFs) in hybrid high-voltage direct current (HVDC) and high-voltage alternating current (HVAC) systems for grid integration of large wind power plants, located ... -
Optimum voltage control for loss minimization in HVDC multi-terminal transmission systems for large offshore wind farms
(2012-08)
Article
Restricted access - publisher's policyAn optimal power flow based control scheme is proposed in order to minimize the losses in multi-terminal HVDC systems for large offshore wind power plants. The scheme optimizes system power flows while delivering the ... -
Primary and secondary power control of multiterminal HVDC grids
(2010)
Conference lecture
Open Access -
Review of local network impedance estimation techniques
(Institute of Electrical and Electronics Engineers (IEEE), 2020-11-24)
Article
Open AccessAs a result of increasing variability of network impedance, interest in impedance estimation techniques is growing. This review contextualises local impedance estimation techniques by providing a historical prospective on ...
