In this paper Intelligent Electronic Devices (IED) that use ethernet for communicating with substation devices on the grid where modelled in OPNET. There is a need to test the communication protocol performance over the ...

In this paper the module practical electronics offered at the University of south Africa in the Open distance learning context is discussed. The module was taught, and experiments were performed using a virtual laboratory ...

Water is the source of life because all living organisms cannot survive without it and it is the most important liquid in the ecosystem hence protecting water resources and ensuring water quality should always be an issue ...

This dissertation investigates the level of acid‐resistance of concrete degradation. Concrete specimens obtained from four mixtures (M1, M2, M3 and M4) were prepared with calcareous, siliceous ...

The objective of this study was to improve the operation of the classical semiautogenous and ball milling circuit also known as the SABC circuit. In order to achieve this goal, the challenges around this circuit were ...

In this study, the effect of speed was investigated on the breakage rate of UG2 platinum ore in a batch mill of 5 dm3 and 175 mm internal diameter. One size fraction method was carried out to perform the experiment. Five ...

Olefins have enjoyed many uses in a wide variety of industries, from car manufacturing to energy production. Energy consuming processes of catalytic dehydrogenation, turning paraffins into olefins, has been commercialised ...

Automatic face recognition is a very important research area in computer science since it has been widely used in security systems. During the last two decade, the research area of face recognition has focused much attention ...

This paper presents the design of a photovoltaic based power supply using a non-inverting buck-boost converter to charge batteries. The batteries can be used to power a load as back-up power when there is no sunlight. ...

The research on which this article is based, sought a suitable computerized maintenance management system (CMMS) for use in the Mechanical and Industrial Engineering laboratories and workshop at the University of South ...