The present study is a contribution to the study of hybrid electric power conversion systems in rural areas.The approach adopted uses a methodology for analyzing the complementarity that exists between the two renewab...The present study is a contribution to the study of hybrid electric power conversion systems in rural areas.The approach adopted uses a methodology for analyzing the complementarity that exists between the two renewable energy potentials(solar and hydraulic)based on their daily,monthly and annual variations.The different analytical formulas for sizing a PV(photovoltaic)field and a small hydroelectric power station are recalled in this work.The HOMER software served as a tool for optimal sizing and simulation of the system.This work focuses on the analysis of the behavior and control of the performances of a hybrid system made up of two renewable energy sources,hydroelectricity/PV with a storage system and a converter.The main results obtained relate to:monitoring of the variation in temperature variation,solar irradiation of the site,as well as the flow of the watercourse.The profile of the village’s annual charges is known.The annual production of electrical energy is 527.936 kWh/year.The hydroelectric plant will provide 155.316 kWh/year,or 29%,and for the PV field(372.620 kWh/year),or 71%.The monthly energy average is 43.995 kWh/month.The average daily consumption is 731 kWh/d with a maximum power of 163 kW.The completion of this project makes it possible to cover all electrical loads in the Tamagaly district,with an annual energy production of 206.783 kWh.This would make it possible to locally limit greenhouse gas emissions in the area.展开更多
The energy transition,validated by 194 countries at the end of CoP21 in Paris,requires new development design methods.This requirement,for the sub-Saharan African countries(SAC),could be an opportunity to finance thei...The energy transition,validated by 194 countries at the end of CoP21 in Paris,requires new development design methods.This requirement,for the sub-Saharan African countries(SAC),could be an opportunity to finance their development.Following the mixed results of the Clean Development Mechanism(CDM),partly due to its rather restrictive selection criterion,the desire to implement carbon asset transfer mechanisms is proposed by many countries including Cameroon.However,the success of such a mechanism would be guaranteed by encouraging policies to regulate emissions.It is in this perspective that our work falls.It aims at proposing a regulation approach for major projects.We have dwelt on hydroelectric projects.To do this,we ordered considering their quantitative feature,113 projects or visions proposed by 37 countries.Subsequently,a classification of projects according to compartments and trends was made.We finally pointed out 6 visions,including the mitigation in production,mitigation in distribution or service,adaptation in production,mitigation in transport,adaptation in distribution or service,and the adaptation in transport.The regulation methodology proposed for mitigation projects in the hydroelectric sector on a variable threshold hypothesis has led us to three trends in regulation.展开更多
文摘The present study is a contribution to the study of hybrid electric power conversion systems in rural areas.The approach adopted uses a methodology for analyzing the complementarity that exists between the two renewable energy potentials(solar and hydraulic)based on their daily,monthly and annual variations.The different analytical formulas for sizing a PV(photovoltaic)field and a small hydroelectric power station are recalled in this work.The HOMER software served as a tool for optimal sizing and simulation of the system.This work focuses on the analysis of the behavior and control of the performances of a hybrid system made up of two renewable energy sources,hydroelectricity/PV with a storage system and a converter.The main results obtained relate to:monitoring of the variation in temperature variation,solar irradiation of the site,as well as the flow of the watercourse.The profile of the village’s annual charges is known.The annual production of electrical energy is 527.936 kWh/year.The hydroelectric plant will provide 155.316 kWh/year,or 29%,and for the PV field(372.620 kWh/year),or 71%.The monthly energy average is 43.995 kWh/month.The average daily consumption is 731 kWh/d with a maximum power of 163 kW.The completion of this project makes it possible to cover all electrical loads in the Tamagaly district,with an annual energy production of 206.783 kWh.This would make it possible to locally limit greenhouse gas emissions in the area.
文摘The energy transition,validated by 194 countries at the end of CoP21 in Paris,requires new development design methods.This requirement,for the sub-Saharan African countries(SAC),could be an opportunity to finance their development.Following the mixed results of the Clean Development Mechanism(CDM),partly due to its rather restrictive selection criterion,the desire to implement carbon asset transfer mechanisms is proposed by many countries including Cameroon.However,the success of such a mechanism would be guaranteed by encouraging policies to regulate emissions.It is in this perspective that our work falls.It aims at proposing a regulation approach for major projects.We have dwelt on hydroelectric projects.To do this,we ordered considering their quantitative feature,113 projects or visions proposed by 37 countries.Subsequently,a classification of projects according to compartments and trends was made.We finally pointed out 6 visions,including the mitigation in production,mitigation in distribution or service,adaptation in production,mitigation in transport,adaptation in distribution or service,and the adaptation in transport.The regulation methodology proposed for mitigation projects in the hydroelectric sector on a variable threshold hypothesis has led us to three trends in regulation.
