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Faculté des Sciences appliquées
Faculté des Sciences appliquées
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Business cases for microgrids in Africa - An application study for Rukara, Rwanda

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Conde, Patricia ULiège
Promotor(s) : Ernst, Damien ULiège
Date of defense : 27-Jun-2016/28-Jun-2016 • Permalink : http://hdl.handle.net/2268.2/1406
Details
Title : Business cases for microgrids in Africa - An application study for Rukara, Rwanda
Author : Conde, Patricia ULiège
Date of defense  : 27-Jun-2016/28-Jun-2016
Advisor(s) : Ernst, Damien ULiège
Committee's member(s) : Cornélusse, Bertrand ULiège
Fonteneau, Raphaël ULiège
François-Lavet, Vincent ULiège
Aittahar, Samy ULiège
Language : English
Number of pages : 114
Keywords : [en] Microgrid
[en] Off-grid
[en] Rwanda
[en] Rukara
[en] Africa
[en] Mil Colinas
[en] International Cooperation
[en] Education
[en] Photovoltaic energy
[en] Renewable energy
[en] Python
[en] Excel
[en] AutoCAD
[en] Sweet Home 3D
[en] Solver
[en] Business cases
[fr] Afrique
[fr] Coopération Internationale
[fr] Énergie Photovoltaique
[fr] Énergie Renouvelable
[es] Ruanda
[es] Energía Fotovoltaica
[es] Energía Renovable
[es] Casos de negocio
Discipline(s) : Engineering, computing & technology > Energy
Engineering, computing & technology > Electrical & electronics engineering
Research unit : ULG
Mil Colinas
Target public : Researchers
Professionals of domain
Student
General public
Other
Complementary URL : http://www.milcolinas.org/noticias/show/proyecto-de-energia-solar-para-rukara
Institution(s) : Université de Liège, Liège, Belgique
Universidad Politécnica de Madrid, Madrid, España
Degree: Cours supplémentaires destinés aux étudiants d'échange (Erasmus, ...)
Faculty: Master thesis of the Faculté des Sciences appliquées

Abstract

[en] Mil Colinas is a NGO founded in 2011 in order to contribute to the battle against inequality. Mil Colinas mediates between northern and southern countries in order to further social development. It is an educative project which started with 30 children and has grown to almost 200 people in addition to three Rwandese educators. Due to the fact that the current room is too small to carry out the activities, there is a clear necessity for the association to have its own space.
Last summer (2015), I went to Rukara, the Rwandese village in which Mil Colinas operates. I began taking its measurement and shortly after the land was purchased. The current project plan is to utilize solar energy for the school's main source of power.
During the period in which I was there, several facilities were visited (mainly schools and the health centre of Rukara) and some of them are already working with photovoltaic energy. Meetings took place around the country with key energy businesses in East Africa, such as Mobisol. Also the educators and children who are involved in Mil Colinas were directly contacted in order to understand and record the needs and desires they have for the new school.
With all the necessary data from this African country, an off-micro grid has to be designed for the current project. This grid provides the required energy (mainly for lights and laptops) through a photovoltaic system and accumulators.
Initially, it was necessary to measure the consumption as well as the solar irradiation in the area. Several hypothesis were created; taking into account different weather and other assumptions.
Following the hypothesis, some simulations were run in Python in order to plot the charge level of the batteries per hour throughout the whole year. Having these results, some decisions could be taken in account in relation to the quantity of the photovoltaic panels and the batteries with the help of the tool Solver in Excel. The wiring was also calculated as well as the optimum angle for the electrical generators. The system is optimized regarding the economical plan. Several plans were made with AutoCAD are attached as well as the 3D views of the school made with SweetHome3D.
As result of this project, there is an installation which will work in 48 V before the inverter and in 230 V upstream; 10 photovoltaic panels of 295 W each and 12 batteries of 200 Ah of capacity. Each unit is part of the installation along with the inverter and the controller. Initial investment reaches $12,257.67 but it is necessary to have a budget of $19,800.89 in total to assure the proper function during at least 24 years.


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Author

  • Conde, Patricia ULiège Université de Liège > conv. Erasmus en sc. appl.

Promotor(s)

Committee's member(s)

  • Cornélusse, Bertrand ULiège Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Smart grids
    ORBi View his publications on ORBi
  • Fonteneau, Raphaël ULiège Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Smart grids
    ORBi View his publications on ORBi
  • François-Lavet, Vincent ULiège Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Dép. d'électric., électron. et informat. (Inst.Montefiore)
    ORBi View his publications on ORBi
  • Aittahar, Samy ULiège Université de Liège - ULg > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Smart grids
    ORBi View his publications on ORBi
  • Total number of views 72
  • Total number of downloads 507










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