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Now showing items 1-20 of 23

    • A hybrid energy storage solution based on supercapacitors and batteries for the grid integration of utility scale photovoltaic plants 

      Díaz González, Francisco; Chillón Antón, Cristian; Llonch Masachs, Marc; Galceran Arellano, Samuel; Rull Duran, Joan; Bergas Jané, Joan Gabriel; Bullich Massagué, Eduard (Elsevier, 2022-07-01)
      Article
      Open Access
      This 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 review of energy storage technologies for large scale photovoltaic power plants 

      Bullich Massagué, Eduard; Cifuentes-García, Francisco-Javier; Glenny Crende, Ignacio; Cheah Mañé, Marc; Aragüés Peñalba, Mònica; Díaz González, Francisco; Gomis Bellmunt, Oriol (2020-09-15)
      Article
      Open Access
      Energy 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 systematic review of machine learning techniques related to local energy communities 

      Hernández Matheus, Alejandro Henrique; Löschenbrand, Markus; Berg, Kjersti; Fuchs, Ida; Aragüés Peñalba, Mònica; Bullich Massagué, Eduard; Sumper, Andreas (2022-12)
      Article
      Open Access
      In recent years, digitalisation has rendered machine learning a key tool for improving processes in several sectors, as in the case of electrical power systems. Machine learning algorithms are data-driven models based on ...

    • Active and reactive power control of a PV generator for grid code compliance 

      Cabrera Tobar, Ana; Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Gomis Bellmunt, Oriol (2019-10-13)
      Article
      Open Access
      As new grid codes have been created to permit the integration of large scale photovoltaic power plants into the transmission system, the enhancement of the local control of the photovoltaic (PV) generators is necessary. ...

    • Active power control in a hybrid PV-storage power plant for frequency support 

      Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Sumper, Andreas; Boix Aragonès, Oriol (2017-03)
      Article
      Open Access
      The recent increase of intermittent power generation plants connected to the electric power grids may stress the operation of power systems. So, grid codes started considering these power plants should con- tribute to the ...

    • Analytical and Normalized Equations to Implement the Optimized Triple Phase-Shift Modulation Strategy for DAB Converters 

      Capó Lliteras, Macià; Oggier, German Gustavo; Bullich Massagué, Eduard; Heredero Peris, Daniel; Montesinos Miracle, Daniel (Institute of Electrical and Electronics Engineers (IEEE), 2023-01-01)
      Article
      Open Access
      A fully normalized algorithm to implement the optimal triple-phase-shift (TPS) modulation strategy of the dual active bridge (DAB) converter is proposed in this article. The algorithm evaluates three simple expressions ...

    • Architecture definition and operation testing of local electricity markets. The EMPOWER project 

      Bullich Massagué, Eduard; Araguees Penalba, Monica; Olivella Rosell, Pol; Lloret Gallego, Pau; Vidal Clos, Josep-Andreu; Sumper, Andreas (2017)
      Conference report
      Open Access

    • Capability curve analysis of photovoltaic generation systems 

      Cabrera Tobar, Ana; Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Gomis Bellmunt, Oriol (2016-12-15)
      Article
      Open Access
      The present article assesses the study of the PV generator capability curves for use in large scale photovoltaic power plants (LS-PVPPs). For this purpose, the article focuses on three main aspects: (i) the modelling of ...

    • Control of renewable distributed power plants 

      Bullich Massagué, Eduard (Universitat Politècnica de Catalunya / Universitat de Barcelona, 2015)
      Master thesis
      Restricted access - author's decision
      The main objective of this master thesis is to design a power plant controller for a photo- voltaic (PV) power plant. In a first stage, the current situation of the status of the electrical grid is analysed. The electrical ...

    • Dynamic interactions in large scale photovoltaic power plants with frequency and voltage support 

      Salazar Chiralt, Rubén; Cheah Mañé, Marc; Mateu Barriendos, Elia; Bullich Massagué, Eduard; Prieto Araujo, Eduardo; Mehrjerdi, Hasan; Gomis Bellmunt, Oriol (2022-06-01)
      Article
      Open Access
      The increasing penetration of Large-Scale Photovoltaic Power Plants in the power system is raising the concern of potential stability issues due to dynamic interactions of power electronics components. In particular, Power ...

    • Electrical Grids Based on Power Routers: Definition, Architecture and Modeling 

      Teixeira Filho, Vinicius Gadelha; Sumper, Andreas; Bullich Massagué, Eduard; Aragüés Peñalba, Mònica (Institute of Electrical and Electronics Engineers (IEEE), 2023-01-01)
      Article
      Open Access
      Recent studies have developed a power electronic device known as the power router, able to fully control the power flows over the connected power lines. The present paper aims to extend the application of power routers to ...

    • Feeder flow control and operation in large scale photovoltaic power plants and microgrids : Part I Feeder ow control in large scale photovoltaic power plants : Part II Multi-microgrids and optimal feeder ow operation of microgrids 

      Bullich Massagué, Eduard (Universitat Politècnica de Catalunya, 2018-10-04)
      Doctoral thesis
      Open Access
      This thesis deals with the integration of photovoltaic energy into the electrical grid. For this purpose, two main approaches can be identified: the interconnection of large scale photovoltaic power plants with the ...

    • Methodology for the evaluation of resilience of ICT systems for smart distribution grids 

      Lloret Gallego, Pau; Aragüés Peñalba, Mònica; Van Schepdael, Lien; Bullich Massagué, Eduard; Olivella Rosell, Pol; Sumper, Andreas (2017-08-29)
      Article
      Open Access
      Ensuring resilient operation and control of smart grids is fundamental for empowering their deployment, but challenging at the same time. Accordingly, this study proposes a novel methodology for evaluating resilience of ...

    • Microgrid clustering architectures 

      Bullich Massagué, Eduard; Díaz González, Francisco; Aragüés Peñalba, Mònica; Girbau Llistuella, Francesc; Olivella Rosell, Pol; Sumper, Andreas (2018-02-15)
      Article
      Restricted access - publisher's policy
      Microgrids are considered one of the most promising solutions to integrate renewable distributed generation into the electric power system. During the last decade, the microgrid concept has been studied and developed and ...

    • Multi-period power management optimization for operating isolated hybrid microgrids 

      Galceran-Feixas, M.; Aragüés Peñalba, Mònica; Bullich Massagué, Eduard; Vidal Clos, J.-A; Gomis Bellmunt, Oriol (2018)
      Conference report
      Restricted access - publisher's policy
      The aim of this study is to develop an algorithm for ensuring optimal operation of isolated microgrids. The generic microgrid considered consists of a set of distributed controllable generators integrated to a distribution ...

    • Optimal feeder flow control for grid connected microgrids 

      Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Prieto Araujo, Eduardo; Sumper, Andreas; Caire, Raphael (2019-11-01)
      Article
      Open Access
      The optimal management of distributed energy resources is one of theexisting challenges for the deployment of microgrids. When microgrids op-erate under feeder flow control mode, trying to maintain a constant self-consumption, ...

    • Optimal operation of isolated microgrids considering frequency constraints 

      Vidal Clos, Josep Andreu; Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Vinyals Canal, Guillem; Chillón Antón, Cristian; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Galceran Arellano, Samuel (Multidisciplinary Digital Publishing Institute, 2019-01-09)
      Article
      Open Access
      Isolated microgrids must be able to perform autonomous operation without external grid support. This leads to a challenge when non-dispatchable generators are installed because power imbalances can produce frequency ...

    • Optimization of surge arrester locations in overhead distribution networks 

      Bullich Massagué, Eduard; Sumper, Andreas; Villafafila Robles, Roberto; Rull Duran, Joan (2015-04-01)
      Article
      Open Access
      Lightning is considered one of the main causes of faults in overhead distribution networks. Direct strokes usually lead to flashovers due to the insulation levels that are used. Induced overvoltages caused by indirect ...

    • Optimization problem for meeting distribution system operator requests in local flexibility markets with distributed energy resources 

      Olivella Rosell, Pol; Bullich Massagué, Eduard; Aragüés Peñalba, Mònica; Sumper, Andreas; Ottesen, Stig Odegaard; Vidal Clos, Josep Andreu; Villafafila Robles, Roberto (2018-01-15)
      Article
      Restricted access - publisher's policy
      The increasing penetration of distributed energy resources in the distribution grid is producing an ever-heightening interest in the use of the flexibility on offer by said distributed resources as an enhancement for the ...

    • Over-frequency support in large-scale photovoltaic power plants using non-conventional control architectures 

      Madorell Batlle, Queralt; Bullich Massagué, Eduard; Cheah Mañé, Marc; Gomis Bellmunt, Oriol (2021-05)
      Article
      Open Access
      Large scale photovoltaic power plants must provide a frequency regulation service, which is defined in the grid codes. This service has commonly required a response time between 15 and 30 s. But some countries are now ...