Browsing by Author "Díaz González, Francisco"
Now showing items 1-20 of 34
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A comparison of power conversion systems for modular battery-based energy storage systems
(Institute of Electrical and Electronics Engineers (IEEE), 2020-02-07)
Article
Open AccessA modular battery-based energy storage system is composed by several battery packs distributed among different modules or parts of a power conversion system (PCS). The design of such PCS can be diverse attending to different ... -
A hybrid energy storage solution based on supercapacitors and batteries for the grid integration of utility scale photovoltaic plants
(Elsevier, 2022-07-01)
Article
Open AccessThis paper presents a 2-level controller managing a hybrid energy storage solution (HESS) for the grid integration of photovoltaic (PV) plants in distribution grids. The HESS is based on the interconnection of a lead-acid ... -
A mathematical model for the scheduling of virtual microgrids topology into an active sistribution network
(Multidisciplinary Digital Publishing Institute, 2020-10-15)
Article
Open AccessThis article presents a method based on a mathematical optimization model for the scheduling operation of a distribution network (DN). The contribution of the proposed method is that it permits the configuration and operation ... -
A novel algorithm based on the combination of AC-OPF and GA for the optimal sizing and location of DERs into distribution networks
(Elsevier, 2021-09)
Article
Open AccessThis article proposes an algorithm to obtain an optimal local solution for the network planning process related to the optimal integration of different renewable energy sources (RES) and different BatteryEnergy Storage ... -
A power sharing algorithm for a hybrid energy storage system based on batteries
(Institute of Electrical and Electronics Engineers (IEEE), 2019)
Conference report
Open AccessThis paper presents a method to operate a hybrid Energy Storage System (ESS) based on a heterogeneous grouping of battery types. In particular, the system is composed by a lithium-ion battery pack and a lead-acid one. The ... -
A review of energy storage technologies for large scale photovoltaic power plants
(2020-09-15)
Article
Open AccessEnergy storage can play an essential role in large scale photovoltaic power plants for complying with the current and future standards (grid codes) or for providing market oriented services. But not all the energy storage ... -
A systemic approach to investigate the gaps between distribution system operators need and technology developers’ perception—A case study of an intelligent low-voltage grid management system with storage
(Multidisciplinary Digital Publishing Institute, 2021-06-09)
Article
Open AccessThe purpose of the paper is to introduce a new bi-directional approach to assess the gapbetween the customer needs and technology developers’ perception on the value propositions ofinnovations which includes storages. The ... -
Analytical dead-band compensation for ZCS modulation applied to hybrid Si-SiC dual active bridge
(Institute of Electrical and Electronics Engineers (IEEE), 2020-10-02)
Article
Open AccessThis paper proposes a triangular modulation with zero current switching (ZCS) for a hybrid Si-SiC isolated bidirectional DC-DC converter (IBDC). Three of the four legs in the IBDC operate at ZCS and use Si IGBTs, while the ... -
Analytical dead-band Compensation for ZCS modulation applied to hybrid Si-SiC dual active bridge [Dataset]
(Universitat Politècnica de Catalunya, 2020-10-02)
Dataset
Open Access -
Arquitectura de una red inteligente rural
(2015)
Conference lecture
Open AccessEl trabajo presentado se enmarca en e l proyecto europeo del programa FP - 7 Smart Rural Grid que tiene como objetivo desarrollar la red rural inteligente y explorar las mejores maneras de hacer la transición de las actuales ... -
Control of a flywheel energy storage system for power smoothing in wind power plants
(2014-03-01)
Article
Open AccessThis paper deals with the design and the experimental validation in scale-lab test benches of an energy management algorithm based on feedback control techniques for a flywheel energy storage device. The aim of the flywheel ... -
Coordinated operation of wind turbines and flywheel storage for primary frequency control support
(2015-06-01)
Article
Open AccessThis work assesses the participation of wind power plants in primary frequency control support. To participate in frequency control-related tasks, the wind power plants have to maintain a certain level of power reserves. ... -
Demonstration experience of the smart rural grid project
(2016)
Conference lecture
Restricted access - publisher's policyThis paper aims to detail and illustrate the experiences for the grid-connected mode during the operational phase of the Smart Rural Grid (SRG) project. The SRG project is focused on DSO's capabilities to increase the ... -
Design methodology for a dc–dc power conversion system with EIS capability for battery packs
(2018-09-01)
Article
Open AccessThis paper presents a design methodology for a dc-dc power conversion system (PCS) for battery packs. The methodology provides with an optimal design of the PCS and the associated inductive-capacitive filter interfacing ... -
Developing novel technologies and services for intelligent low voltage electricity grids: cost–benefit analysis and policy implications
(2021-12-23)
Article
Open AccessThe paper presents a set of prototype smart grid technologies and services and validates the economic viability of the proposed solution using cost–benefit analysis (CBA). The study considered the EU-funded project called ... -
DFIG-based offshore wind power plant connected to a single VSC-HVDC operated at variable frequency: Energy yield assessment
(2015-06-15)
Article
Open AccessThe existence of HVDC (High Voltage Direct Current) transmission systems for remote offshore wind power plants allows devising novel wind plant concepts, which do not need to be synchronized with the main AC grid. This ... -
Energy Tariff Policies for Renewable Energy Development: Comparison between Selected European Countries and Sri Lanka
(2023-02-01)
Article
Open AccessThis article is written within the European Project “THREE-Lanka” which has the aim of modernizing the higher education related to Renewable Energy (RE) in Sri Lanka. The paper presents the outcomes of analysing various ... -
Feasibility analysis of offshore wind power plants with DC collection grid
(2015-06-01)
Article
Open AccessOffshore wind power plants (OWPPs) tend to be larger in size and distant from shore. It is widely accepted that for long distances HVDC links are preferred over HVAC transmission. Accordingly, one possible approach might ... -
Flicker mitigation by reactive power control in wind farm with doubly fed induction generators
(2014-02)
Article
Restricted access - publisher's policyThis paper presents a novel wind farm control with the purpose to mitigate the flicker emission of doubly fed induction generators. The presented control strategy is implemented in a wind farm connected to a distribution ... -
Integral approach to energy planning and electric grid assessment in a renewable energy technology integration for a 50/50 target applied to a small island
(2019-01-01)
Article
Open AccessThis paper presents an energy planning, a grid assessment, and an economic analysis, considering three growing scenarios (Low, Base and High) in the electricity consumption, to supply the energy demand for a hybrid power ...
