Browsing Faculty of Engineering by Author "Gouws, Rupert"
Now showing items 1-20 of 42
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An active hybrid energy storage system utilising a fuzzy logic rule-based control strategy
(MDPI, 2020)The research presented in this paper documents the implementation of an active hybrid energy storage system that combined a battery pack and an ultracapacitor bank. The implemented hybrid energy storage system was used ... -
Analysing two control methods of shunt active filters for unbalanced load
(Nagpur: Yeshwantrao Chavan College of Engineering, 2014)A three-phase shunt active filter is used for current and/or voltage unbalance compensation. Two control schemes with two different theory, instantaneous power theory and Generalized Fryze are considered to compensate the ... -
Analysis of PM transverse-flux outer rotor machines with different configuration
(IEEE, 2017)This paper presents the electromagnetic analysis of two permanent magnet transverse-flux outer rotor machines with and without magnetic shunts. The research started with designing and analyzing a permanent magnet transverse-flux ... -
Combination of LiCs and EDLCs with batteries: a new paradigm of hybrid energy storage for application in EVS
(MDPI, 2018)The research presented in this paper proposes a hybrid energy storage system that combines both electrolytic double-layer capacitors (EDLCs) also known as supercapacitors (SCs) and lithium-ion capacitors (LiCs) also known ... -
A comparative study on fault detection and correction techniques on active magnetic bearing systems
(IEEE-Institute of Electrical and Electronics Engineers, 2007)In this paper, the authors distinguish between three real-time fault detection, correction and identification schemes for vibration forces on the rotor of a rotational active magnetic bearing (AMB) system. Historical fault ... -
Comparison analysis of electric motors with two degrees of mechanical freedom: PM synchronous motor vs induction motor
(IEEE, 2016)This paper presents a comparison analysis of two electric motors with helical movement of the rotor. These machines are also referred to as machines with two degrees of mechanical freedom. The machines are designed in such ... -
Condition monitoring analysis methods for electrical machines: a review
(SPC, 2018)This paper provides a review on condition monitoring analysis methods for electrical machines. An overview of condition monitoring is provided where online as well as offline monitoring is discussed. A section on vibration ... -
Design and cost analysis of an automation system for swimming pools
(EE Publishers, 2012)A low-cost automation system to minimise energy consumption of circulation pumps and to regulate the chemical composition of the water in swimming pools -
Design considerations of the PM transverse flux linear motor for an urban-type electromagnetic train
(IEEE, 2018)This paper presents six different designs of the permanent magnet transverse-flux linear motor applied to an electromagnetic train. The initial design of the motor was modified to improve its magnetic characteristics. ... -
Effect of high frequency power supplies on the electrostatic precipitator collection efficiency as compared to conventional transformer rectifiers
(Research India Publications, 2018)Particulate emission is a major problem in industrial processes, caused mainly by power plants that make use of coal as a primary source of energy. Stringent emissions limits, set by government organisations requires ... -
Efficiency analysis of an induction motor with direct torque and flux control at a hot rolling mill
(Energy Research Centre, University of Cape Town, 2015)This paper presents an efficiency analysis of an induction motor with direct torque and flux control at a hot rolling mill in South Africa. Two scenarios were evaluated: 1) where the induction motor was controlled at ... -
Efficiency analysis of an induction motor with field oriented control at a hot rolling mill
(Academic Journals, 2012)In this paper, the efficiency analysis of an induction motor with field-oriented control (FOC) at a hot rolling mill in South Africa is presented. It is shown that the energy consumption of an induction motor at a hot ... -
Efficiency and cost analysis of a designed in-line water heating system compared to a conventional water heating system in South Africa
(ERC (Energy Research Centre), 2012)In this paper, the authors compares the efficiency and cost of a designed in-line water heating system with a conventional water heating system (geyser) in South Africa. The paper provides an overview on water heating ... -
Electrical circuit modelling of double layer capacitors for power electronics and energy storage applications: a review
(MDPI, 2018)There has been increasing interests in the use of double layer capacitors (DLCs)—most commonly referred to as supercapacitors (SCs), ultra-capacitors (UCs), or hybrid capacitors (HCs)—in the field of power electronics. ... -
Energy management by means of fault conditions on active magnetic bearing systems
(IRET (Institute of Research in Engineering and Technology), 2013)This paper presents the use of fault conditions on active magnetic bearing (AMB) systems as an energy management tool to improve the operation of AMB systems. Fault conditions on AMB system are broadly classified ... -
Energy management system for a residential grid-tied micro-grid
(IEEE, 2015)With the national power grid under tremendous pressure, there are enormous pressure exerted on residential electricity consumers to cut-back on electricity consumption to ensure a reliable supply. This has led to ... -
Energy monitoring and verification control interface for split unit air conditioners
(SPC, 2018)The aim of this paper is to present a new energy monitoring and verification control interface for the Eskom demand market participation (DMP) program that can be implemented on a commercial scale on all the split unit ... -
Energy savings in concrete production
(Crown Publications, 2014)T he rapid growth of the cement and concrete industry has created the need for concrete products such as concrete pipes, culverts, manholes, slabs, piles, etc. Since the role of electric machines in the concrete industry ... -
Environmental impact of an industrial compressed air system for solar power in South Africa
(Multi-Science Publishing, 2012)Almost 14% of the electricity generated by the national energy supplier (Eskom) in South Africa is sold directly to the mining sector and almost 20% is utilized directly by the compressed air systems of the mining sector. ... -
Environmental impact of an industrial compressed air system with a solar powered compressor in South Africa
(Sage, 2012)Almost 14% of the electricity generated by the national energy supplier (Eskom) in South Africa is sold directly to the mining sector and almost 20% is utilized directly by the compressed air systems of the mining sector. ...
