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Faculté des Sciences appliquées
Faculté des Sciences appliquées
MASTER THESIS
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Master thesis : Mitigation of voltage sags by a voltage conditioner

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Dumont, Antoine ULiège
Promotor(s) : Van Cutsem, Thierry ULiège
Date of defense : 26-Jun-2019/27-Jun-2019 • Permalink : http://hdl.handle.net/2268.2/6763
Details
Title : Master thesis : Mitigation of voltage sags by a voltage conditioner
Translated title : [fr] Réduction des creux de tension au moyen d'un conditioner de tension
Author : Dumont, Antoine ULiège
Date of defense  : 26-Jun-2019/27-Jun-2019
Advisor(s) : Van Cutsem, Thierry ULiège
Committee's member(s) : Geuzaine, Christophe ULiège
Rousseaux, Patricia ULiège
Scarpa, Patrick 
Language : English
Number of pages : 102
Keywords : [en] Voltage conditioner
[en] Synchronous machine
[en] Voltage dips
[en] Power quality
Discipline(s) : Engineering, computing & technology > Electrical & electronics engineering
Funders : EURO-DIESEL SA
Target public : Researchers
Professionals of domain
Student
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master : ingénieur civil électricien, à finalité spécialisée en "electric power and energy systems"
Faculty: Master thesis of the Faculté des Sciences appliquées

Abstract

[en] Voltage dips occur very often in three-phase power systems. The association of a synchronous machine and a three-point choke can decrease the depth of these and maintain the load voltage within acceptable limits. Simulations are performed for two types of dips resulting from single-phase and three-phase faults. This is done using a load composed of induction machines and of constant admittances. For the first one, the equipment is able to mitigate all the dips. For the second one, more severe, curves showing the duration that can be sustained for a given depth are drawn. The effect of adding inertia to the machine is also analysed and is shown to have a positive impact. Then, the effect of changing the load is investigated. It is found that using a load with full motors or with constant power load have a negative impact.


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Author

  • Dumont, Antoine ULiège Université de Liège > Master ingé. civ. électr., à fin.

Promotor(s)

Committee's member(s)

  • Geuzaine, Christophe ULiège Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
    ORBi View his publications on ORBi
  • Rousseaux, Patricia ULiège Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Systèmes et modélisation
    ORBi View his publications on ORBi
  • Scarpa, Patrick Parc industriel, rue de l'Avenir 61, 4460 GRACE HOLLOGNE
  • Total number of views 48
  • Total number of downloads 507










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