Power systems

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TítuloStudy of the sustainability of electrical power systems: analysis of the causes that generate reactive power

TítuloStudy of the sustainability of electrical power systems: analysis of the causes that generate reactive power

... Reactive power is an important parameter in electrical power systems since it affects the efficiency of the system because it is not useful ...the power factor of the system and limits the ...

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Long term power systems planning with operational flexibility

Long term power systems planning with operational flexibility

... Power systems are currently facing deep changes, as they move to an energy mix less dependent on fossil fuels and with higher penetration of renewable energy ...electricity systems (Despr´es et ...a ...

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Passivity   Based Control and Stability Analysis for Hydro Solar Power Systems

Passivity Based Control and Stability Analysis for Hydro Solar Power Systems

... electric power systems are a fundamental part of social and economic progress of a country, since the levels of production, agro–industrial development and the quality of life of citizens depend on the ...

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Comparison of active filters topologies in medium voltage distribution power systems

Comparison of active filters topologies in medium voltage distribution power systems

... reducing significantly the rating of the active filter, since its main task is to improve the filtering performance and to avoid the resonance problems introduced by passive filters. In this way it constitutes a simple ...

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Implementación y comparación de los principales Power Systems Stabilizers implementados en el sistema colombiano en relación con su impacto en la mitigación de oscilaciones inter áreas

Implementación y comparación de los principales Power Systems Stabilizers implementados en el sistema colombiano en relación con su impacto en la mitigación de oscilaciones inter áreas

... los power systems stabilizers con el ánimo de disminuir los picos de potencia alcanzados y los cambios de amplitud en el ángulo del rotor que de alguna manera disminuyen la vida útil del sistema de ...

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Optimal and reliable operation of electric power systems under uncertainty

Optimal and reliable operation of electric power systems under uncertainty

... tricity Systems research group at the Joint Research Centre (JRC) Directorate for Energy, Transport and Climate, and included in the ...the power system. Low-carbon power systems with large ...

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Active and hybrid filters in medium voltage distribution power systems

Active and hybrid filters in medium voltage distribution power systems

... of power electronics as an essential interface in power systems to improve Power Quality ...reactive power, and resonance problems, de-rating of distribution equipment, harmonic ...

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Frequency control of hybrid wind-hydro power plants with long conduits in isolated power systems

Frequency control of hybrid wind-hydro power plants with long conduits in isolated power systems

... of power systems, particularly in small ...isolated power systems with renewable sources, but it may not be able to maintain the frequency within grid ...Hierro power system (Canary ...

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Frequency regulation in electric power systems using deferrable loads

Frequency regulation in electric power systems using deferrable loads

... The second factor that complicates balancing tasks is the increasing number of non-controllable generators in power systems. The last decades have seen an exponential growth of renewable energies connected ...

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Bifurcation theory applied to the analysis of power systems

Bifurcation theory applied to the analysis of power systems

... Power systems blackouts have received a great attention in the last few years, due to the increasing amount of incidents occurred in many countries around the world (see for example [17, 20, 3, 27] and ...

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An Adaptive Control Scheme for Variable Speed Wind Turbines Providing Frequency Regulation in Isolated Power Systems with Thermal Generation

An Adaptive Control Scheme for Variable Speed Wind Turbines Providing Frequency Regulation in Isolated Power Systems with Thermal Generation

... Traditionally, power systems have been based on conventional power plants with synchronous generators directly connected to the grid, automatically providing their stored kinetic energy after a ...

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Decentralized AC power flow for multi-area power systems using a decomposition approach based on Lagrangian relaxation

Decentralized AC power flow for multi-area power systems using a decomposition approach based on Lagrangian relaxation

... lines and various factors associated with post- contingency constraints. In [2] a nonlinear DC model is used to solve the OPF problem. The algorithm is based on the Lagrangian relaxation decomposition procedure. In [3] a ...

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Special Regulation of Isolated Power Systems: The Canary Islands, Spain

Special Regulation of Isolated Power Systems: The Canary Islands, Spain

... Even though Royal Decree 413/2014 [30] was intended to regulate electricity production from renewable sources (at first, this RD led to certain controversies with Directive 2012/27/EU [32]), RD 738/2015 [31] regulates ...

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Multi phase resilience assessment and adaptation of electric power systems throughout the impact of natural disasters

Multi phase resilience assessment and adaptation of electric power systems throughout the impact of natural disasters

... Depending on the aim of the resilience study, the performance of electric power systems can be measured using numerous different metrics. Two measurements that are able to describe the impact of the extreme ...

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Automatic under frequency load shedding mal operation in power systems with high wind power penetration

Automatic under frequency load shedding mal operation in power systems with high wind power penetration

... those systems, the almost negligible capability to adapt energy exchanges to wind production has forced their system operators to order wind generation curtailment at certain times of high wind penetration [1] and ...

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Controladores no lineales para el convertidor fuente de tensión

Controladores no lineales para el convertidor fuente de tensión

... Este trabajo est´a dividido en dos partes. En la primera se presentan y proponen obser- vadores y estimadores para se˜ nales sinusoidales de frecuencia desconocida pensados para aplicaciones de sincronizaci´on con la red ...

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Beamforming design and power control for spectrum sharing systems

Beamforming design and power control for spectrum sharing systems

... Although the Wi-Fi technology appeared few years later, by that time some experts already suggest the possible implementation of a ’radio LAN’ under this regulation. Curiously, the spread spectrum modulation technique ...

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Analysis of power distribution systems using a multicore environment

Analysis of power distribution systems using a multicore environment

... backup power, improve local power quality and reliability, provide ancillary services, and defer distribution system upgrade ...unbalanced systems are required. In addition, studies of systems ...

202

Modulation and multiple access techniques for indoor broadband power-line communications

Modulation and multiple access techniques for indoor broadband power-line communications

... out-of-band power, which may produce considerable ICI in case of synchronization errors, when passing through a time dispersive channel or in a non-synchronized FDMA multiuser ...out-of-band power captured ...

186

Comparative Life Cycle Assessment of commercial photovoltaic technologies based on current conditions

Comparative Life Cycle Assessment of commercial photovoltaic technologies based on current conditions

... • According to the studied databases Multi crystalline silicon pv systems account a mean value of 83,88 g CO2 equivalent which is almost twice as high as the average ghg emissions of CdTe technologies 43,86 g CO2. ...

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