Now showing items 1-15 of 15

  • A propagative model for simulations of electric fields produced by downward leaders 

    Hermoso Costa, Juan Ramón; Montañá Puig, Juan; March Nomen, Víctor; Van der Velde, Oscar Arnoud; Solà de Las Fuentes, Gloria; Romero Durán, David; Hermoso Alameda, Blas; Pineda Ruegg, Nicolau (2012-07-13)
    Article
    Open Access
    Comparisons of simulated downward negative leaders with experimental measurements are presented in this paper. In order to simplify, the leaders are considered to progress vertically and charge distributions and leader ...
  • A simple method to estimate the return stroke current from close electric field measurements 

    Montañá Puig, Juan; Illa Arnau, Àngel; Hermoso Alameda, Blas; Romero Durán, David (2004)
    Conference lecture
    Restricted access - author's decision
    During summers 2003 and 2004 a measurement campaign was carried out over Catalonia (N-E of Spain). In these campaigns, lightning electrostatic field as well electric and magnetic fields were measured. This paper describes ...
  • Analysis of the electric field changes due to lightning during Catalonia thunderstorms in Summer 2003 

    Montañá Puig, Juan; Bergas Jané, Joan Gabriel; Pineda Ruegg, Nicolau; Bech, Joan; Rigo, Tomeu; Illa Arnau, Àngel; Hermoso Alameda, Blas (2004)
    Conference lecture
    Restricted access - author's decision
    Electric fields related to lightning close to storms were measured in the Catalonian region (NE of Spain) in summer 2003. The aim of this campaign was the data collection to study the total electrical charge involved in ...
  • Catalonia (Spain) railway traction DC system project to limit lightning transient overvoltage 

    Hermoso Alameda, Blas; Montañá Puig, Juan; Garnacho, F; Carmona, M; Segovia, E (2010)
    Conference lecture
    Restricted access - author's decision
    Due to a lightning storm, during the last August 2007, the Catalonia Railway Electrical System (Spain) was victim of several disturbances and malfunctions. To give response to these problems a project has been established ...
  • Draft IEC 61400-24 wind turbines: lightning protection blades 

    Hermoso Alameda, Blas; Montañá Puig, Juan (2009)
    Conference lecture
    Restricted access - author's decision
    Wind turbine blades are the most exposed parts of the turbine, and would experience the full impact from the electric fields as associated with the lightning attachment process, the lightning currents, and the magnetic ...
  • Fast current impulse test for wind-turbine blades 

    Hermoso Costa, Juan Ramón; Montañá Puig, Juan; Clapers, Pere; Hermoso Alameda, Blas; March Nomen, Víctor; Solà de Las Fuentes, Gloria; Illa Arnau, Àngel; Romero Durán, David; Aranguren Fino, Daniel (2008)
    Conference lecture
    Restricted access - author's decision
  • High-speed videos of laboratory leaders emerging from wind turbine blade tips 

    Montañá Puig, Juan; March Nomen, Víctor; Hermoso Alameda, Blas; Hermoso Costa, Juan Ramón (2010)
    Conference lecture
    Open Access
    This paper presents some observation results of the attachment test of a wind turbine blade as described in the upgrade of the IEC-61400-24. The optical observations were performed by means of high-speed video and ...
  • Lightning detections and electrostatic field related to a flash that damaged a building in the city of Terrassa (Spain) 

    Montañá Puig, Juan; March Nomen, Víctor; Solà de Las Fuentes, Gloria; Romero Durán, David; Hermoso Alameda, Blas (2007)
    Conference lecture
    Restricted access - author's decision
  • Lightning on blades surface of wind mill power generators 

    Hermoso Alameda, Blas; Montañá Puig, Juan (2009)
    Conference lecture
    Restricted access - author's decision
  • Protection of large wind turbine blades against lightning 

    Montañá Puig, Juan; Rachidi-Haeri, Farhad; Rubinstein, Marcos; Bermúdez, José Luis; Solà de Las Fuentes, Gloria; Hermoso Alameda, Blas (2008)
    Conference report
    Restricted access - confidentiality agreement
    Lightning protection of modern wind turbines presents a number of new challenges due to the geometrical, electrical and mechanical particularities of the turbines. The risk assessment requires the estimation of the number ...
  • Research activities on lightning protection of wind turbines by the Spanish group 

    Montañá Puig, Juan; Hermoso Alameda, Blas (2009)
    Conference lecture
    Restricted access - author's decision
  • Resultado de las medidas de campo eléctrico y electrostático para la caracterización de rayos 

    Montañá Puig, Juan; Hermoso Costa, Juan Ramón; Romero Durán, David; Hermoso Alameda, Blas (2004)
    Conference lecture
    Restricted access - author's decision
    Durante el verano del 2003 se realizó en Cataluña una campaña de medidas de campo electrostático y eléctrico en situaciones de tormenta. La finalidad de esta campaña fue la recolección de datos de campo eléctrico cara ...
  • Total lightning observations to wind turbines 

    Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David; March Nomen, Víctor; Solà de Las Fuentes, Gloria; Pineda Ruegg, Nicolau; Hermoso Alameda, Blas; Senosiáin Miquélez, Vicente (2012)
    Conference report
    Restricted access - publisher's policy
    In summer 2011 a new VHF Lightning Mapping Array was installed at the northeast of Spain. In that area a VHF interferometer and a VLFILF lightning detection networks are also operative. The close presence of wind farms in ...
  • Two upward lightning at the Eagle Nest tower 

    Montañá Puig, Juan; Van der Velde, Oscar Arnoud; Romero Durán, David; March Nomen, Víctor; Solà de Las Fuentes, Gloria; Pineda Ruegg, Nicolau; Soula, Serge; Hermoso Alameda, Blas (Institute of Electrical and Electronics Engineers (IEEE), 2012)
    Conference report
    Restricted access - publisher's policy
    A new instrument composed by a high speed camera, two high energy detectors, a E-field antenna and a VHF antenna were installed at the Eagle Nest tower (northeast of Spain) during summer 2011. With this equipment several ...
  • Work on electric field measurement applied to lightning predictive protection 

    Montañá Puig, Juan; Bergas Jané, Joan Gabriel; Hermoso Alameda, Blas (2002)
    Conference lecture
    Restricted access - author's decision
    Electrostatic field mill have been large employed by scientist for charge estimations, concentrations etc.. in not very much cases field mills are employed as a part of a protection system or as a warning system. One ...