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Mostrando ítems 21-39 de 39

    • Load-frequency regulation using an adaptive predictive control 

      Olmos Camacho, Luis; Zamora Macho, Juan Luis; Rodríguez Pecharromán, Ramón; Fuente León, José Ignacio de la (Sin editorial (Oporto, Portugal), 2001-09-10)
      This paper investigates the application of an adaptive-predictive control to the load-frequency regulation of the Spanish Power System. The control system regulates the frequency and the power exchange with France at the ...

    • Mecanismo anti-windup para el control resonante de un filtro activo 

      Rodríguez Cabero, Alberto; Zamora Macho, Juan Luis; García Cerrada, Aurelio; Ochoa Giménez, Miguel (Universidad de Zaragoza (Zaragoza, España), 2015-07-08)
      Los reguladores resonantes tienen una aplicación típica en el control selectivo de armónicos en filtros activos de potencia. El diseño y aplicación de este tipo de reguladores se ha presentado en detalle en la literatura ...

    • Modelos de centrales hidráulicas para estudios de estabilidad 

      Zamora Macho, Juan Luis; Rouco Rodríguez, Luis; Pagola y de las Heras, Francisco Luis (Universidad Pública de Navarra (Pamplona, España), 2012-01-26)
      Este artículo presenta un estudio de la influencia en la respuesta temporal del sistema eléctrico de las diferentes variantes de modelado del circuito hidráulico de una central hidroeléctrica. Se analiza especialmente qué ...

    • Modelos de orden reducido para motores de inducción 

      Zamora Macho, Juan Luis; García Cerrada, Aurelio; Barquín Gil, Julián (Sin editorial (Tarragona, España), 1995-09-20)
      En este artículo se analiza la estructura dinámica del modelo linealizado de un motor de inducción en función del punto de operación, y se proponen modelos de orden reducido que pueden ser de utilidad para simulación, ...

    • Multidisciplinar laboratory for teaching mechatronics with LEGO Mindstorm NXT 

      Ochoa Giménez, Miguel; Zamora Macho, Juan Luis; Porras Galán, José (Universidade do Minho (Guimarães, Portugal), 2012-07-11)
      This paper describes a laboratory based on LEGO Mindstorm NXT. The objective is to introduce and increase the use of LEGO NXT at Universities, so the students could put together different knowledge that they had learnt. ...

    • New design for the Spanish AGC scheme using an adaptive gain controller 

      Olmos Camacho, Luis; Fuente León, José Ignacio de la; Zamora Macho, Juan Luis; Rodríguez Pecharromán, Ramón; Martín Calmarza, Agustín; Moreno, J. (2004-08-01)
      This paper investigates the application of adaptive control to the Spanish load-frequency regulation scheme, Automatic Generation Control (AGC). The Spanish AGC system regulates the frequency and the power exchange between ...

    • On the power-flow limits and control in series-connected custom power devices 

      Roldan Perez, Javier; García Cerrada, Aurelio; Ochoa Giménez, Miguel; Zamora Macho, Juan Luis (2016-10-01)
      Power electronic devices connected in series with electrical distribution lines have been proposed for some time to protect sensitive loads from voltage sags, voltage harmonics, and unbalances. Full understanding of active- ...

    • On-line estimation of the stator parameters in an induction motor using only voltage and current measurements 

      Zamora Macho, Juan Luis; García Cerrada, Aurelio (2000-06-01)
      This paper proposes a set of algorithms for stator parameter online estimation (stator resistance, stator inductance, and leakage inductance) of an induction motor using neither the rotor speed nor the rotor resistance. ...

    • On-line rotor-resistance estimation for induction motors 

      García Cerrada, Aurelio; Zamora Macho, Juan Luis (Sin editorial (Trondheim, Noruega), 1997-09-10)
      No disponible Not available

    • Periodic and non-periodic disturbance rejection techniques for an advanced Dynamic Voltage Restorer 

      Roldan Perez, Javier; García Cerrada, Aurelio; Zamora Macho, Juan Luis; Roncero Sánchez-Elipe, Pedro Luis; Acha, Enrique (PE&ES: Sistemas Eléctricos y Electrónicos de Potencia; GTE: Grupo de Tecnología Electrónica; GISS: G (Badajoz, España), 2011-07-05)
      Voltage sags and swells, voltage harmonics and voltage imbalances in power systems may affect sensitive loads causing production interruption or equipment damage. Now-adays series voltage compensation using power electronics ...

    • Regulación Compartida Peninsular mediante un control predictivo adaptativo 

      Olmos Camacho, Luis; Zamora Macho, Juan Luis; Rodríguez Pecharromán, Ramón; Fuente León, José Ignacio de la (Sin editorial (Madrid, España), 2001-07-04)
      En este artículo se estudia la aplicación de un control predictivo adaptativo a la Regulación Compartida Peninsular (RCP), que regula la frecuencia y el intercambio de potencia con Francia. El mando que se reparte entre ...

    • Rotor-speed estimator for induction motors using voltage and current measurements 

      Zamora Macho, Juan Luis; García Cerrada, Aurelio; Zazo, Alfredo (1998-03-01)
      This paper presents a rotor-speed estimator for induction motor drives which uses only stator voltage and current measurements. First of all, the identifiability of the rotor speed is analysed in relation to the operating ...

    • Solar energy and reused materials in the recycling of plastics 

      Puente Rueda, Cristina; Sáenz Nuño, María Ana; Zamora Macho, Juan Luis; Puente Águeda, Cristina (Materials Research Forum LLC (Millersville, Estados Unidos de América), 2023-09-01)
      The scarcity of technology in developing countries is a reality, while resources such as, plastic caps or aluminum cans are relatively easy to obtain anywhere in the world.Moreover, these materials are accumulating both ...

    • Space-vector-based controller for current-harmonic suppression with a shunt active power filter 

      Ochoa Giménez, Miguel; Roldan Perez, Javier; García Cerrada, Aurelio; Zamora Macho, Juan Luis (2015-10-29)
      Active power filters are often proposed as flexible solutions to tackle power quality problems in electric distribution systems. It is well known that the need for tracking harmonic currents and voltages with these electronic ...

    • Technical and economic improvements of the AGC Spanish scheme 

      Fuente León, José Ignacio de la; Zamora Macho, Juan Luis; Martín Calmarza, Agustín (Sin editorial (Oporto, Portugal), 2001-09-10)
      The present Spanish automatic generation control (AGC, also known as secondary reserve) is based on a hierarchical control structure. A master regulator constitutes the top of this hierarchy. Below this regulator are placed ...

    • The effect of wind generation and weekday on Spanish electricity spot price forecasting 

      Cruz García, Alberto Miguel; Muñoz San Roque, Antonio; Zamora Macho, Juan Luis; Espínola Vílchez, Rosa (2011-10-01)
      This paper empirically compares the predictive accuracy of a set of methods for day-ahead spot price forecasting in the Spanish electricity market. The methods come from time series analysis and artificial intelligence ...

    • Troubleshooting a digital repetitive controller for a versatile dynamic voltage restorer 

      Roldan Perez, Javier; García Cerrada, Aurelio; Zamora Macho, Juan Luis; Roncero Sánchez-Elipe, Pedro Luis; Acha, Enrique (2014-05-01)
      Voltage sags and swells, voltage harmonics and voltage imbalances in power systems may affect sensitive loads causing production interruption or equipment damage. Nowadays, series voltage compensation using power electronics ...

    • Versatile control of STATCOMs using multiple reference frames 

      Ochoa Giménez, Miguel; García Cerrada, Aurelio; Roldan Perez, Javier; Zamora Macho, Juan Luis; García González, Pablo; Bueno Peña, Emilio José (Springer (Singapur, Singapur), 2015-01-14)

    • Voltage source converter AC voltage controller design and dynamic response for a large offshore wind farm network 

      Young Ho, Terry Chi; Ran, Li; García Cerrada, Aurelio; Zamora Macho, Juan Luis; Brogan, Paul (Universidad Pontificia Comillas; IJRER; Gazi University; Nagasaki University; (Madrid, España), 2013-10-20)
      The small footprint and controllability of voltage source converters are ideal for long distance high voltage direct current (HVDC) connection of large offshore wind farms in the future. The popularity of fully rated ...