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Development and optimization of a combined small scale low cost point of use water treatment system
Published 2019Get full text
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Calibration of aperture arrays using self-holography
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Sputum derived biomarkers of anti-tuberculosis drug activity in early bactericidal activity (EBA) studies
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Plant biofiltration for urban stormwater runoff purification in South Africa
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Functional Genome-wide Association Studies (fGWAS) and genomics landscape of signatures of polygenic adaptation in Botswana populations with HIV-1 C infection
Published 2023“…One mtDNA variation, m.2072A>G, was identified by association analysis using a logistic regression model with 10 PCs and gender as covariates. Based on functional predictions, it was assigned to a non-coding transcript exon of the MT-RNR2 gene's 16S ribosomal RNA (rRNA), and it was regarded as having potential pathogenicity. …”
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Identification of Vulnerable Zones on Steel Railway Bridges
Published 2024“…Numerical simulations of these bridges were performed using different load models; static forces, series of moving forces, and series of moving single mass. …”
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A framework for HVAC control at a tertiary institution
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An investigation into the material behaviour of reinforced concrete beams
Published 2014Get full text
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Reactive power compensation, system and voltage stability of an industrial network with short circuit limiting coupler
Published 2016“…The simulations are based 011 solving ordinary loadflow cases augmented with dynamic models of the system elements. Motor loads were modelled in detail incorporating their dynamic characteristics. 75% of the Sasol Three system load constitute induction motors and 25 % is constant impedance and constant current load models. …”
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Creating additional network capacity on constrained medium voltage networks utilizing distributed generation (specifically PV technology)
Published 2025“…Different scenarios were used such as, a constrained feeder during a light load scenario was modelled using the above methodology. …”
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Investigation into transient stability of a nuclear power plant using DIgSILENT
Published 2016“…This is one of the standard software packages used by Eskom to validate models on the network. Load flow studies for Koeberg have been completed in the past, but many changes have since been made to the plant. …”
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Wear of aluminium MMCs against automobile friction materials
Published 2015Get full text
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Technical analysis of renewable energy integration with battery energy storage systems on the Eskom grid
Published 2024“…This was accomplished by selecting two Eskom BESS sites, Skaapvlei (80 MW) which will be used for ancillary services (AS) and energy support (ES) and Hex (20 MW) which will be used for AS, ES and Load shaving (LS). Both networks were modelled using DigSilent Powerfactory and hourly load data from MV90 and the Eskom data tool. …”
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Analysis and design of a high frequency induction-heating system
Published 2016Get full text
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Electrical performance and economic feasibility analyses of hybrid and battery storage devices used in remote area islanded renewable energy systems
Published 2017“…Electrical cases were modelled in Matlab and evaluated in terms of power security, load matching, power response and charge algorithm accuracy. …”
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Computer simulation of stand-alone photovoltaic systems with battery storage
Published 2016Get full text
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