Results 31 to 40 of about 489,390 (264)

Analysis of voltage support by electric vehicles and photovoltaic in a real Danish low voltage network [PDF]

2014 49th International Universities Power Engineering Conference (UPEC), 2014
With conventional generating units being replaced by renewable sources which are not required to provide same high level of ancillary services, there is an increasing need for additional resources to achieve certain standards regarding frequency and voltage. This paper investigates the potential of incorporating electric vehicles (EVs) in a low voltage
Knezovic, Katarina, Marinelli, Mattia; id_orcid 0000-0001-5184-7269, Juul Møller, René, Andersen, Peter Bach; id_orcid 0000-0002-5202-3584, Træholt, Chresten; id_orcid 0000-0003-2640-4073, Sossan, Fabrizio   +5 more
openaire   +2 more sources

Voltage Support Experimental Analysis of a Low-Voltage Ride-Through Strategy Applied to Grid-Connected Distributed Inverters

Energies, 2018
In recent decades, different control strategies have been designed for the increasing integration of distributed generation systems. These systems, most of them based on renewable energies, use electronic converters to exchange power with the grid ...
Miguel Garnica, Luís García de Vicuña, Jaume Miret, Antonio Camacho, Ramón Guzmán   +4 more
doaj   +1 more source

Comprehensive Reactive Power Support of DFIG Adapted to Different Depth of Voltage Sags

Energies, 2017
The low voltage ride-through (LVRT) capability of the doubly-fed induction generator (DFIG) significantly impacts upon the integration of wind power into the power grid.
Yangwu Shen, Mingjian Cui, Qin Wang, Feifan Shen, Bin Zhang, Liqing Liang   +5 more
doaj   +1 more source

Integration of Electric Vehicles in Low-Voltage Distribution Networks Considering Voltage Management

Energies, 2020
The expected growth of the number of electric vehicles can be challenging for planning and operating power systems. In this sense, distribution networks are considered the Achilles’ heel of the process of adapting current power systems for a high ...
Miguel Carrión, Rafael Zárate-Miñano, Ruth Domínguez   +2 more
doaj   +1 more source

Coordinated voltage support strategy for heterogeneous reactive power resources in high wind power-penetrated systems

Frontiers in Energy Research
In power systems with high-penetration wind farms (WFs) connected to a weak grid, insufficient system voltage support can lead to severe transient low/overvoltages under grid faults.
Wenxi Zhen, Wenxi Zhen, Yuehong Dai, Xueqing Li, Chao Tu, Xiping Ma, Xi Gao   +6 more
doaj   +1 more source

Centralized control of energy storages for voltage support in low-voltage distribution grids [PDF]

2016 IEEE 16th International Conference on Environment and Electrical Engineering (EEEIC), 2016
This paper presents a centralized voltage control scheme for unbalanced low-voltage grids experiencing over voltage problems due to high PV power penetration. Voltage control is primarily achieved by remotely controlling the active power of the distributed battery energy storage systems, which are owned by the customers.
Ranaweera, Iromi, Midtgård, Ole-Morten
openaire   +2 more sources

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen, Calogero Virgone, Antje Redlich, Michael Abele, Ricardo Lopez‐Almaraz, Tal Ben‐Ami, Ewa Bien, Gianni Bisogno, Maja Mazic Cesen, Andrea Ferrari, Malgorzata A. Krawczyk, Yves Reguerre, Dominik T. Schneider, Ines B. Brecht, Charlotte Rigaud, Bilgehan Yalcin, Rainer Claus, Christian Vokuhl, Constantin Lapa, Jörg Fuchs, Segolene Hescot, Thomas Walter, Julien Hadoux, Daniel Orbach   +23 more
wiley   +1 more source

Stability Boundary Characterization and Power Quality Improvement for Distribution Networks

Energies
With the increasing proportion of distributed generators (DGs), distribution networks usually include grid forming (GFM) and grid following (GFL) converters.
Min Zhang, Yi Long, Shuai Guo, Zou Xiao, Tianling Shi, Xin Xiang, Rui Fan   +6 more
doaj   +1 more source

Cup‐Like Nuclei Is a Hallmark of DUX4/ERG Acute Lymphoblastic Leukemia and Reveals Cytoplasmic Mitochondria Accumulation

Pediatric Blood &Cancer, EarlyView.
ABSTRACT Cup‐like nuclei are a distinctive morphological feature observed in certain cases of acute lymphoblastic leukemia (ALL). We provide evidence that they characterize DUX4/ERG ALL independently of IKZF1 deletion and reveal marked mitochondrial accumulation in this ALL subset.
Chloé Arfeuille, Hugo Roux, Odile Fenneteau, Aurélie Caye‐Eude, Alexia Kinoo, Yoann Vial, André Baruchel, Marion Strullu, Elodie Lainey, Hélène Cavé   +9 more
wiley   +1 more source

Compensation of voltage disturbances using PEMFC supported Dynamic Voltage Restorer

International Journal of Electrical Power & Energy Systems, 2015
Abstract The continuity of supply and quality of power are the two main significant aspects of today’s power delivery system. The Dynamic Voltage Restorer (DVR) is a series connected custom power device which improves the quality of power delivered to the consumers.
C.K. Sundarabalan, K. Selvi
openaire   +1 more source