18   Artículos

 
en línea
Turan Cakil, Hamza Feza Carlak and Sukru Ozen    
The impact of a lightning electromagnetic pulse (LEMP) on a power line or power station produces an effect similar to that of switching between a significant power source and a power line circuit. This switch closure causes a sudden change in routing con... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
José Robinson Ortiz-Castrillón, Gabriel Eduardo Mejía-Ruiz, Nicolás Muñoz-Galeano, Jesús María López-Lezama and Juan Bernardo Cano-Quintero    
This paper proposes a new sliding surface for controlling a Semi-Bridgeless Boost Converter (SBBC) which simultaneously performs Power Factor Correction (PFC) and DC bus regulation. The proposed sliding surface is composed of three terms: First, a normal... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Dimitar V. Bozalakov, Joannes Laveyne, Mohannad J. Mnati, Jan Van de Vyver and Lieven Vandevelde    
The share of renewable energy is increasing because of environmental concerns and favorable economic conditions. The majority of the distributed energy resources, connected to the low-voltage grid, are inverter-connected units. These inverters are contro... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Artur Rojek     Pág. 35 - 40
High-speed circuit breakers (HSCB) used in DC circuits are one of the basic elements of overload, short-circuit and electric shock protection. Such breakers are used in transport (trams, trolleybuses, subways and railways) in electric power supply facili... ver más
Revista: Eastern-European Journal of Enterprise Technologies    Formato: Electrónico

 
en línea
Contactless capacitive (open-air) sensors are applied to monitor overvoltages near overhead line terminations at a substation or at the transition from underground cables to overhead lines. It is shown that these sensors, applied in a differentiating/int... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Gang Liu, Yaxun Guo, Yanli Xin, Lei You, Xiaofeng Jiang, Ming Zheng and Wenhu Tang    
In order to study switching transients in an offshore wind farm (OWF) collector system, we employ modeling methods of the main components in OWFs, including vacuum circuit breakers (VCBs), submarine cables, and wind turbine transformers (WTTs). In partic... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Jiazheng Lu, Pengkang Xie, Zhen Fang and Jianping Hu    
Metal-oxide arresters (MOAs) are used to absorb the electrical energy resulting from overvoltages in power systems. However, temperature rises caused by the absorbed energy can lead to the electrothermal failure of MOAs. Therefore, it is necessary to ana... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Seyede Fatemeh Hajeforosh, Zahra Pooranian, Ali Shabani and Mauro Conti    
Wind generators are exposed to numerous destructive forces such as lightning and are therefore vulnerable to these phenomena. To evaluate the transient behavior of a wind power plant during direct and indirect strikes, modeling of all relevant components... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Rafael B. Rodrigues, Victor M. F. Mendes and João P. S. Catalão    
This paper is concerned with the protection of wind energy systems against the direct effects of lightning. As wind power generation undergoes rapid growth, lightning damages involving wind turbines have come to be regarded as a serious problem. Neverthe... ver más
Revista: Energies    Formato: Electrónico

 
en línea
Jakob Glasdam, Claus Leth Bak and Jesper Hjerrild    
Switching overvoltages (SOV) are considered a possible source of component failures experienced in existing offshore wind farms (OWFs). The inclusion of sufficiently accurate and validated models of the main electrical components in the OWF in the simula... ver más
Revista: Energies    Formato: Electrónico

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