... Reactive power is an important parameter in electrical powersystems since it affects the efficiency of the system because it is not useful ...the power factor of the system and limits the ...
... Powersystems 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 ...
... electric powersystems 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 ...
... 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 ...
... los powersystems 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 ...
... 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 powersystems with large ...
... of power electronics as an essential interface in powersystems to improve Power Quality ...reactive power, and resonance problems, de-rating of distribution equipment, harmonic ...
... of powersystems, particularly in small ...isolated powersystems with renewable sources, but it may not be able to maintain the frequency within grid ...Hierro power system (Canary ...
... The second factor that complicates balancing tasks is the increasing number of non-controllable generators in powersystems. The last decades have seen an exponential growth of renewable energies connected ...
... Powersystems 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 ...
... Traditionally, powersystems have been based on conventional power plants with synchronous generators directly connected to the grid, automatically providing their stored kinetic energy after a ...
... 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 ...
... 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 ...
... Depending on the aim of the resilience study, the performance of electric powersystems can be measured using numerous different metrics. Two measurements that are able to describe the impact of the extreme ...
... 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 ...
... 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 ...
... 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 ...
... 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 ...
... 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 ...
... • 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. ...