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See detailDeutsch in Ostbelgien – ostbelgisches Deutsch ?
Möller, Robert ULg

in Davies, Wini; Häcki-Buhofer, Annelies; Schmidlin, Regula (Eds.) et al Plurizentrik des Deutschen zwischen Norm und Praxis (in press)

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See detailMorphological integration and alternative life history strategies: a case study in a facultatively paedomorphic newt
Tomašević, Natasa; Cvijanović, Milena; Denoël, Mathieu ULg et al

in Journal of Experimental Zoology. Part B, Molecular and Developmental Evolution (in press)

Tetrapod limbs are serially homologous structures that represent a particularly interesting model for studies on morphological integration, i.e. the tendency of developmental systems to produce correlated ... [more ▼]

Tetrapod limbs are serially homologous structures that represent a particularly interesting model for studies on morphological integration, i.e. the tendency of developmental systems to produce correlated variation. In newts, limbs develop at an early larval stage and grow continuously, including after the habitat transition from water to land following metamorphosis. However, aquatic and terrestrial environments impose different constraints and locomotor modes that could affect patterns of morphological integration and evolvability. We hypothesize that this would be the case for alternative heterochronic morphs in newts, i.e. aquatic paedomorphs that keep gills at the adult stage and adult metamorphs that are able to disperse on land. To this end, we analysed patterns and strengths of correlations between homologous skeletal elements of the fore- and hindlimbs as well as among skeletal elements within limbs in both phenotypes in the alpine newt, Ichthyosaura alpestris. Our results showed that metamorphs and paedomorphs had similar, general patterns of limb integration. Partial correlations between homologous limb elements and within limb elements were higher in paedomorphs when compared to metamorphs. Decrease in partial correlation between homologous limb elements in metamorphs is accompanied with a higher evolvability of the terrestrial morph. All these results indicate that environmental demands shaped the patterns of morphological integration of alpine newt limbs and that the observed diversity in correlation structure could be related to a qualitative difference in the modes of locomotion between the morphs. [less ▲]

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See detailEffect of feed enzymes on digestibility and growth in weaned pigs: A systematic review and meta-analysis
Torres-Pitarch, Alberto; Hermans, David; Manzanilla, Edgar Garcia et al

in Animal Feed Science & Technology (in press)

Supplementation of post-weaning diets with exogenous enzymes has been suggested to control post-weaning syndrome, by compensating for the under-developed endogenous enzyme secretory capacity and ... [more ▼]

Supplementation of post-weaning diets with exogenous enzymes has been suggested to control post-weaning syndrome, by compensating for the under-developed endogenous enzyme secretory capacity and increasing nutrient digestibility in newly weaned pigs. The effect of in-feed enzymes in improving gut maturation, growth and/or health in weaned piglets is not always consistent. A systematic review and a meta-analysis were therefore conducted to determine which exogenous enzymes are most consistent in improving piglet growth and digestibility when supplemented to post-weaning diets. The mean difference effect of enzyme supplementation on growth and digestibility of dry matter (DM), gross energy (GE), crude protein (CP), and P digestibility was calculated for each study and this was used as the effect size estimate in the meta-analysis. The impact of feed enzyme supplementation on intestinal health and bone mineralization was also discussed where information was available in the literature. From a total of 90 studies included in the metaanalysis, G:F was improved in 55, remained un-changed in 28 and deteriorated in 7, in response to enzyme supplementation. Average daily gain, average daily feed intake (ADFI) and G:F was improved when phytase was supplemented in the diet. Phosphorous digestibility was increased with phytase supplementation while GE digestibility was reduced. Dietary phytase supplementation increased bone mineralization in pigs fed diets with a reduced Pcontent. Supplementation with multi-enzyme complexes increased DM and CP digestibility. In conclusion, the most consistent improvement in piglet growth, P digestibility and bone mineralization were found due to exogenous phytase supplementation. Supplementation with xylanase alone or in combination with β-glucanase had inconsistent effects on piglet growth and nutrient digestibility. The most consistent improvements in growth and nutrient digestibility due to supplementation with multi-enzymes complexes were found when mannanase and/or protease were included in the complex. [less ▲]

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See detailThe Potential of Digital Tools and Technologies in Architectural Heritage Research for an Inclusive Approach to Built Heritage
Eisazadeh, Negin ULg; Houbart, Claudine ULg; Hallot, Pierre ULg et al

Conference (in press)

In recent years, inclusive design (a.k.a. universal design or design for all) is one of the developed approaches which aim to consider the diverse human abilities and conditions in the design process. As ... [more ▼]

In recent years, inclusive design (a.k.a. universal design or design for all) is one of the developed approaches which aim to consider the diverse human abilities and conditions in the design process. As defined by the European Institute for Design and Disability (EIDD) ‘design for all’ is designing for diversity, social inclusion and equality. Considering the social and demographic changes in the 21st century, which include an international movement towards social inclusion and more specifically the rights of disabled people, an inclusive approach is turning into a necessity for today’s diverse and ageing society. In the case of architectural and urban heritage, the disabled people or in better words those with diverse sensory, mental or mobility abilities who differ from the general public, have the right to experience, interact with, and engage with heritage and its values. As part of an extensive interdisciplinary research on inclusive approaches to built heritage values, which connects the fields of architecture, history, conservation, inclusive design, and digital humanities, this paper investigates the potentials of incorporating digital tools and techniques in the different aspects of this research. The extensive study involves communication between researchers, relevant professional experts, and the historic built environment with the target community of disabled people and in this paper, the digital means to facilitate these interactions have been studied. As a step towards answering the question ‘what are suitable methods and tools for facilitating and acquiring insight into diversely abled people’s engagement with and understanding of architectural heritage and its values?’, it more specifically focuses on the interaction of the disabled people with the historic architecture and urban spaces. Additionally, in a more general approach, by linking the fields of digital humanities and architectural research, the existing tools for the different stages of research ranging from data collection and storage, data analysis, and dissemination are explored. By conducting and elaborating relevant research examples, this study shows how incorporating digital tools and techniques derived from Digital Humanities - such as retrieving data through APIs, textual analysis, creating and querying databases, and data visualization - can facilitate research in the field of architecture and built heritage. Moreover, in studying the relation between disability and the historic built environment, it indicates that acquiring knowledge on the potentials in practical digital tools for disabled people’s interaction with the built heritage, can have a significant impact on the research approach and findings. As for an inclusive approach to built heritage, the disabled people can be taken into account with their prospective extended digital abilities. Hence in today’s digital world, integrating the digital tools and technologies in architectural heritage research is not only a necessary practical mean for conducting research, but can also impact the theoretical approach, allowing to carry out extensive and innovative research in an efficient manner. [less ▲]

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See detailA push–pull strategy to control aphids combines intercropping with semiochemical releases
Xu, Qingxuan ULg; Hatt, Séverin ULg; Chevalier Mendes Lopes, Thomas ULg et al

in Journal of Pest Science (in press)

Even if insect pest populations can be reduced by increasing plant diversity through intercropping, natural enemies are not always favored in such systems. Alternatively, semiochemical substances have ... [more ▼]

Even if insect pest populations can be reduced by increasing plant diversity through intercropping, natural enemies are not always favored in such systems. Alternatively, semiochemical substances have been tested to enhance biological control, with inconsistent results. Combining both strategies can be an interesting way to maximize pest control. In this work, a 2-year setup involving wheat–pea strip intercropping combined with the release of E-b-farnesene (EBF) or methyl salicylate (MeSA) was tested as a push–pull strategy to simultaneously repel aphids and attract beneficials. Two types of slow-release formulation (i.e., oil and alginate beads) containing EBF or MeSA were deployed with the intercropping. The abundance of aphids was significantly decreased, while hoverfly larvae and mummified aphids increased on both pea plants and wheat tillers by the release of oil-formulated EBF and MeSA. The proportion parasitism of the aphid-parasitism rate [mummies/(aphids + mummies)] was also increased by treating both crops in both years. Releasing EBF through oil rather than alginate beads proved significantly better for attracting natural enemies and reducing aphids. Aphids were negatively correlated with the density of hoverflies (both adults and larvae) and numbers of mummies. All these results showed that combining intercropping with the release of EBF or MeSA formulated in oil can significantly reduce aphid density and attract their natural enemies. Therefore, the combination of both strategies could help farmers reduce the use of insecticides. [less ▲]

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See detailProtein requirements of collared peccary (Pecari tajacu)
Borges, Rogerio; Mendes, Alcester; Nogueira, Selene et al

in Tropical Animal Health and Production (in press)

A nitrogen (N) balance digestion trial was conducted to determine the protein requirement of collared peccaries (Pecari tajacu). In a 4 × 4 Latin square design, four captive adult male peccaries were fed ... [more ▼]

A nitrogen (N) balance digestion trial was conducted to determine the protein requirement of collared peccaries (Pecari tajacu). In a 4 × 4 Latin square design, four captive adult male peccaries were fed four isoenergy diets containing four different levels of N (11.7, 16.3, 22.8, and 26.7 g N/kg of dry matter—DM). After 15 days of adaptation, a total collection of feces and urine was carried out for five consecutive days. Regression analyses between N intake and N in feces and urine allowed to calculate the metabolic fecal nitrogen (MFN = 2.3 g N/kg of dry matter intake—DMI) and daily endogenous urinary N (EUN = 185 mg N/kg0.75). Likewise, by regression analyses between consumption of nitrogen and the nitrogen balance (NB = N ingested − N excreted, mg N/kg0.75), a daily requirement of 514 mg N/kg0.75 was calculated. Therefore, if food intake is unrestricted, collared peccaries require a minimumin their diet of about 5.4% crude protein on DM basis. These values are almost as low as those found for browsing and frugivorous wild ruminants, which reinforce the proposition that peccaries’ digestive physiology is nearer to that of domestic and wild ruminants than domestic pigs. This relatively low protein requirement of collared peccary and its great ability to digest protein reveal the relevance of the forestomach for the species on nitrogen/protein metabolism and allow the use of diets with lower crude protein levels than the commercial ones used for the domestic pig, which reduces feed costs. [less ▲]

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See detailSearching for Plausible N-k Contingencies Endangering Voltage Stability
Weckesser, Johannes ULg; Van Cutsem, Thierry ULg

in IEEE International Conference on Innovative Smart Grid Technologies IEEE ISGT Europe 2017, Turin 26-29 September 2017 (in press)

This paper presents a novel search algorithm using time-domain simulations to identify plausible N-k contingencies endangering voltage stability. Starting from an initial list of disturbances ... [more ▼]

This paper presents a novel search algorithm using time-domain simulations to identify plausible N-k contingencies endangering voltage stability. Starting from an initial list of disturbances, progressively more severe contingencies are investigated. After simulation of a N-k contingency, the simulation results are assessed. If the system response is unstable, a plausible harmful contingency sequence has been found. Otherwise, components affected by the contingencies are considered as candidate next event leading to N-(k+1) contingencies. This implicitly takes into account hidden failures of component protections. The performance of the proposed search algorithm is compared to a brute-force algorithm and demonstrated on the IEEE Nordic test system. [less ▲]

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See detailIn San Carlo all’Arena district: positive and negative values in a degraded cultural landscape
Rapalo, Maria Chiara ULg

in Atti del Convegno Internazionale La Baia di Napoli. Strategie integrate per la conservazione e la fruizione del paesaggio culturale (in press)

Located in the 'inner periphery' of Neapolitan historic center, at the foot of Capodimonte Park, historically the urban fabric of San Carlo Arena district eastern area has developed around two ... [more ▼]

Located in the 'inner periphery' of Neapolitan historic center, at the foot of Capodimonte Park, historically the urban fabric of San Carlo Arena district eastern area has developed around two architectural complexes: Santa Maria dei Miracoli and Santa Maria degli Angeli alle Croci, for a long time aggregation places for local people. In addition, the ‘lava dei Vergini’ phenomenon, which periodically flooded the area outside the ancient city walls and the ‘for a via’ street (Via Foria), created optimal conditions for tuff extraction, used for local construction. In the past, physical features, such as the irregularity of the hilly area modeled by natural agents, the presence of several underground quarries, the grandeur of remarkable architectural presence, the numerous alleys in a heavily layered historical fabric, and the peculiarities of the social life that took place beyond Foria, have been a source of inspiration for several and also internationally renowned artists. The original identity of the ancient outer suburb, born from progressive expansions of the neighboring villages outside the city walls, is still marked. The closing elements that caracterize the architecture - in particular building fronts -, reflect its inhabitants attitudes and daily life. In this historic urban landscape 'shred’, this closure - despite the direct proximity to the adjacent old town and several, but not easily accessible, panoramic views of part of Naples Bay - continues to be one of the main identifying characters of the area. Although, for many centuries, this has allowed the 'spirit of places’ conservation, it has been transformed into a voluntary closure against the legality, which led to today serious state of neglect and social decay. Sometimes it is possible to find an excessive and illegal man-soil interaction, and unlawful activities influence and define some features of historical buildings in the area. However, for some years the local population has become aware of the existing problems by operating in a more concrete way, through different kinds of associations and volunteer that try to face the territory needs and emergencies. The goal is the elaboration of an update overview of the existing dynamics in this part of urban tissue and the identification of elements to take into account for possible enhancement perspectives in respect of an identity between invariant and processing factors. [less ▲]

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See detailDons de livres à Louise de Savoie
Fagnart, Laure ULg

in Heering, Caroline (Ed.) Le don mis en scène. Représentations visuelles et textuelles de l’acte de donation dans les arts de la première Modernité (in press)

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See detailMapping degenerate vortex states in a kagomé lattice of elongated antidots via scanning Hall probe microscopy
Xue, Cun; Ge, Jun-Yi; He, An et al

in Physical Review. B : Condensed Matter (in press)

We investigate the degeneracy of the superconducting vortex matter ground state by directly visualizing the vortex con gurations in a kagomé lattice of elongated antidots via scanning Hall probe ... [more ▼]

We investigate the degeneracy of the superconducting vortex matter ground state by directly visualizing the vortex con gurations in a kagomé lattice of elongated antidots via scanning Hall probe microscopy (SHPM). The observed vortex patterns, at specifi c applied magnetic fi elds, are in good agreement with the confi gurations obtained using time-dependent Ginzburg-Landau (TDGL) simulation. Both results indicate that the long range interaction in this nano-structured superconductor is unable to lift degeneracy between different vortex states and the pattern formation is mainly ruled by the nearest neighbour interaction. This simpli cation allows the identi cation of a set of simple rules characterizing the vortex con gurations. We demonstrated that these rules can explain both the observed vortex distributions and the magnetic fi eld dependent degree of degeneracy. [less ▲]

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See detailCrystal Structure and Kinetic Analysis of the Class B3 Di-Zinc Metallo-β-Lactamase LRA-12 from an Alaskan Soil Metagenome
Rodríguez, María Margarita; Herman, Raphaël ULg; Ghiglione, Barbara et al

in PLoS ONE (in press)

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See detailIncreased antimicrobial resistance in a novel CMY-54 AmpC-type enzyme with a GluLeu217-218 insertion in the Ω-loop
Pérez-Llarena, Francisco José; Vázquez-Ucha, Juan Carlos; Kerff, Frédéric ULg et al

in Microbial Drug Resistance : Mechanism, Epidemiology, & Disease (in press)

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See detailKülpe on Conscious Cognitive Attitudes
Dewalque, Arnaud ULg

in Discipline Filosofiche (in press)

This paper offers a reconstruction of Külpe’s theory of cognitive attitudes from the perspective of contemporary debates about cognitive phenomenology. I argue that, like Carl Stumpf at approximately the ... [more ▼]

This paper offers a reconstruction of Külpe’s theory of cognitive attitudes from the perspective of contemporary debates about cognitive phenomenology. I argue that, like Carl Stumpf at approximately the same time, Külpe endorses two major claims about cognitive experiences. First, cognitive experiences are best described in terms of cognitive acts, functions or attitudes. Second, cognitive attitudes are intransitively conscious in the sense that they are experienced by, or phenomenally manifest to, the subject. I call the combination of those two claims the conscious cognitive attitudes theory—or CCA for short. I introduce Külpe’s version of CCA, briefly present some rationales supporting it, and conclude that, on the whole, CCA is worth serious consideration when it comes to describing cognitive experiences. [less ▲]

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See detailFair Trade Milk Initiative in Belgium: Bricolage as an Empowering Strategy for Change
Feyereisen, Marlène ULg; Stassart, Pierre M ULg; Melard, François ULg

in Sociologia Ruralis (in press)

In a context of multiple crises, dairy farmers struggle to receive a fair remuneration for their work. This situation led to the creation of fair milk projects in Europe. But fair trade projects often ... [more ▼]

In a context of multiple crises, dairy farmers struggle to receive a fair remuneration for their work. This situation led to the creation of fair milk projects in Europe. But fair trade projects often suffer from ambiguous interpretations that place them simultaneously in and against the market. This study focuses on a Belgian milk label in order to analyse how dairy farmers developed a particular strategy to create their own fair milk. Based on semi-structured interviews and using the multi-level perspective, we propose that articulating the concepts of lock-ins, bricolage and ambiguity enables us to analyse the potential of this innovation for the transition of the Belgian dairy system. The study shows that fairness is often a matter of divergent interpretations, and its final actualisation is the product of emergent and negotiated relations. By using bricolage practices, the stakeholders reinforced their capacity to gain market power and act within the system they want to change. [less ▲]

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See detailEvaluation of different hydrocolloids to improve dough rheological properties and bread quality of potato-wheat flour
Liu, Xingli ULg; Mu, Taihua; Yamul, Karim Diego et al

in Journal of Industrial and Engineering Chemistry (in press)

The aim of study was to investigate the effect of hydroxylpropylmethylcellulose (HPMC), arabic gum (AG), konjac glucomannan (KG) and apple pectin (AP) at 2% (w/w, potato-wheat flour basis) on the potato ... [more ▼]

The aim of study was to investigate the effect of hydroxylpropylmethylcellulose (HPMC), arabic gum (AG), konjac glucomannan (KG) and apple pectin (AP) at 2% (w/w, potato-wheat flour basis) on the potato-wheat dough (the mass ratio was 1:1) rheological, fermentation properties and its bread quality. The tan δ of potato-wheat dough was significantly increased by adding HPMC compared to those of without adding hydrocolloids (from 0.337 to 0.425), which was close to wheat dough (0.531). Moreover, the dough height during fermentation process was significantly improved by adding hydrocolloids, with the order of HPMC (23.1mm) > AP (19.3mm) > AG (18.6mm) > KG (13.6mm). In addition, the potato-wheat protein bands of potato-wheat dough turned pale by adding hydrocolloids, suggesting higher molecular weight aggregation formed between proteins-hydrocolloids or proteins-proteins after fermentation process. Furthermore, HPMC significantly increased specific volume (from 1.45 to 2.22 ml/g), and hydrocolloids restrained the starch retrogradation of potato-wheat breads. [less ▲]

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See detailTo what extent is Immediate Constituency Analysis dependency-based? A survey of foundational texts
Mazziotta, Nicolas ULg; Kahane, Sylvain

in Proceedings of Depling 2017 (in press)

This paper investigates the seminal texts on Immediate Constituent Analysis and the associated diagrams. We show that the relations between the whole and its parts, that are typical of current phrase ... [more ▼]

This paper investigates the seminal texts on Immediate Constituent Analysis and the associated diagrams. We show that the relations between the whole and its parts, that are typical of current phrase structure trees, were less prominent in the early diagramming efforts than the relationships between units of the same level. This can be observed until the beginning of the 1960’s, including in Chomsky’s Syntactic Structures (1957). We discuss whether such analyses could be said “dependency-based”, according to an attempt to define this term. this term. [less ▲]

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See detailDo sex reversal procedures differentially affect agonistic behaviours and sex steroid levels depending on the sexual genotype in Nile tilapia?
Gennotte, Vincent ULg; Akonkwa, Balagizi; Mélard, Charles ULg et al

in Journal of Experimental Zoology. Part A, Ecological Genetics and Physiology (in press)

In Nile tilapia Oreochromis niloticus, phenotypic males and females with different sexual genotypes (XX, XY, YY) have particular behavioural and physiological traits. Compared to natural XX females and XY ... [more ▼]

In Nile tilapia Oreochromis niloticus, phenotypic males and females with different sexual genotypes (XX, XY, YY) have particular behavioural and physiological traits. Compared to natural XX females and XY males, XY and YY females, and XX males expressed higher level of aggressiveness that could be related to higher levels of 17β-oestradiol and 11-ketotestosterone respectively. Our results suggest that the presence of a Y chromosome increases aggressiveness in females. However, since the same relationship between aggressiveness and the Y chromosome is not observed in males, we can hypothesize that the differences in aggressiveness are not directly dependent on the genotype but on the sex reversal procedures applied on young fry during their sexual differentiation to produce these breeders. These hormonal treatments could have permanently modified the development of the brain and consequently influenced the behaviour of adults independently of their genotype. In both hypotheses (genotype or sex reversal influence), the causes of behavioural modifications have to be searched in an early modification of the brain sexual differentiation. [less ▲]

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See detailReduced intensity and non-myeloablative allogenic stem cell transplantation from alternative HLA-mismatched donors for Hodgkin's lymphoma: a study by the French Society of Bone Marrow Transplantation and Cellular Therapy
Gauthier, J; Castagna, L; Garnier, F et al

in Bone Marrow Transplantation (in press)

Allogeneic stem cell transplantation (allo-SCT) following a non-myeloablative (NMA) or reduced-intensity conditioning (RIC) is considered a valid approach to treat patients with refractory/relapsed ... [more ▼]

Allogeneic stem cell transplantation (allo-SCT) following a non-myeloablative (NMA) or reduced-intensity conditioning (RIC) is considered a valid approach to treat patients with refractory/relapsed Hodgkin lymphoma (HL). When an HLA-matched donor is lacking a graft from a familial haploidentical (HAPLO) donor, a mismatched unrelated donor (MMUD) or cord blood (CB) might be considered. In this retrospective study, we compared the outcome of patients with HL undergoing a RIC or NMA allo-SCT from HAPLO, MMUD or CB. Ninety-eight patients were included. Median follow-up was 31 months for the whole cohort. All patients in the HAPLO group (N = 34) received a T-cell replete allo-SCT after a NMA (FLU-CY-TBI, N = 31, 91%) or a RIC (N = 3, 9%) followed by post-transplant cyclophosphamide. After adjustment for significant covariates, MMUD and CB were associated with significantly lower GvHD-free relapse-free survival (GRFS; hazard ratio (HR) = 2.02, P = 0.03 and HR = 2.43, P = 0.009, respectively) compared with HAPLO donors. In conclusion, higher GRFS was observed in Hodgkin lymphoma patients receiving a RIC or NMA allo-SCT with posttransplant cyclophosphamide from HAPLO donors. Our findings suggest they should be favoured over MMUD and CB in this setting. [less ▲]

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See detailCombined Local and Centralized Voltage Control in Active Distribution Networks
Soleimani Bidgoli, Hamid ULg; Van Cutsem, Thierry ULg

in IEEE Transactions on Power Systems (in press)

A two-level real-time voltage control scheme is proposed to keep voltages within specified limits in distribution grids using Distributed Generation Units (DGUs). It combines a local and a centralized ... [more ▼]

A two-level real-time voltage control scheme is proposed to keep voltages within specified limits in distribution grids using Distributed Generation Units (DGUs). It combines a local and a centralized control of their reactive powers. The local control provides fast response after a disturbance, reducing its impact and enhancing voltage quality. The centralized control uses measurements collected throughout the network to bring the voltages inside tighter limits and balance the various DGU contributions. To this purpose, it adjusts in a coordinated way their reactive power set-points, taking into account the local controls. This discrete control solves at each time step a multi-time-step constrained optimization inspired of Model Predictive Control. The method effectiveness is demonstrated on a 75-bus test system hosting 22 DGUs. [less ▲]

Detailed reference viewed: 17 (4 ULg)