92 publication(s) trouvée(s)
Article scientifique
Is the summer season losing potential for solar energy applications in South Africa?
Seasonal trends using in situ sunshine duration (SD) and satellite, incoming shortwave solar radiation (SIS) data for South Africa over …
Article scientifique
Influence of coal properties on the performance of fixed-bed coal-burning braziers
Informal fixed-bed coal-burning braziers are used extensively in low-income communities of South Africa for space-heating and cooking needs. An investigation …
Article scientifique
Solar resource classification in South Africa using a new index
This paper introduces a solar resource index that responds to site-specific sky conditions resulting from stochastic movement and evolution of …
Article scientifique
The impact of residential rooftop solar PV on municipal finances: An analysis of Stellenbosch
Electricity utilities throughout the world are responding to the increased uptake of rooftop solar photovoltaic (PV) in the household sector. …
Article scientifique
Potential for domestic biogas as household energy supply in South Africa
Biogas is a clean and renewable form of energy accessible to low-income households through anaerobic digestion of readily available organic …
Article scientifique
Improving voltage profile of load bus of wind generation system using DSTATCOM
In a low voltage distribution system with integrated wind plant, voltage stability is impacted by the large variation of load …
Article scientifique
Proposal for improved nuclear fuel utilisation and economic performance by utilising thorium
A systematic and strategic nuclear power reactor deployment roadmap has been developed for South Africa within the national strategic plan, …
Article scientifique
Using participatory GIS to examine social perception towards proposed wind energy landscapes
Thirteen onshore wind farm projects, totalling approximately 700 wind turbines, are proposed for the West Coast Region (WCR) of the …
Article scientifique
Sizing, design, and installation of an isolated wind–photovoltaic hybrid power system with battery storage for laboratory general illumination in Afyonkarahisar, Turkey
power generation system of a size able to meet the electric power requirement for general illumination of the electric laboratory …
Article scientifique
Differential power algorithm based maximum power point tracking for a standalone solar PV system
We report on an improved maximum power point tracking (MPPT) system based on a differential power algorithm. In the proposed …
Article scientifique
The optical design and performance of a concentrator photovoltaic module
Concentration photovoltaic (CPV) modules promise a more efficient, higher power output than traditional photovoltaic modules. This is achieved by concentrating …
Article scientifique
Suppressed demand in the clean development mechanism: conceptual and practical issues
One of the challenges of applying greenhouse gas emission accounting approaches in poor communities is that the current consumption of …
Article scientifique
Thermodynamic analysis of a direct expansion solar assisted heat pump water heater
In this paper, the thermodynamic performance of a direct expansion solar assisted heat pump (DX-SAHP), which is used to heat …
Article scientifique
The determination of short circuits and grounding faults in electric power systems using time-frequency analysis
In order to ensure that electrical energy reaches consumers uninterrupted, researchers constantly try to improve power transmission lines. To realize …
Article scientifique
A roadmap framework for solar aided power generation in South Africa
Technology roadmaps are critical for decisions pertaining to technology development. They have been utilised in the renewable energy sector to …
Article scientifique
Building power control and comfort management using genetic programming and fuzzy logic
In the last couple of years, energy management in the building environment has been a topic of interest to the …
Article scientifique
Batteryless PV desalination system for rural areas: A case study
The use of photovoltaics (PVs) to power reverse osmosis (RO) desalination can potentially break the dependence of this desalination process …
Article scientifique
Prediction of diesel engine performance, emissions and cylinder pressure obtained using bioethanol-biodiesel-diesel fuel blends through an artificial neural network
The changes in the performance, emission and combustion characteristics of bioethanol-safflower biodiesel and diesel fuel blends used in a common …
Article scientifique
Exhaust gas treatment for reducing cold start emissions of a motorcycle engine fuelled with gasoline-ethanol blends
In countries like India, transportation by a two wheeled motorcycle is very common owing to affordable cost, easy handling and …
Article scientifique
Bio-oil yield potential of some tropical woody biomass
Six tropical biomass samples namely: Ogbono wood (Irvingia wombolu), Mango wood (Mangifera indica), Neem wood (Azadiracta indica), Ogbono shell (Irvingia …