Search Results - "De Kock, Jan"

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    Exploring The Impact Of Inductive Current Transformers On Harmonic Emission Measurements For South African Grid Code Compliance by Murray, Ruan, de Kock, Jan A.

    “…There have been various revisions of the South African Grid Code for Renewable Power Plants. This paper specifically focuses on the harmonic emissions…”
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    Conference Proceeding
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    Evaluating Varying Burden when Inductive Current Transformers are Used for Harmonic Current Measurements by Murray, Ruan, de Kock, Jan A.

    “…When making use of inductive current transformers for harmonic current measurements, the measurement chain consists of various components that add load…”
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    Conference Proceeding
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    Quantifying the Impact of Varying Inductive Burden When Inductive Current Transformers Are Used for Harmonic Current Measurements for Grid Code Compliance by Murray, Ruan, de Kock, Jan A.

    “…When using inductive current transformers (ICTs) for harmonic current measurements, the measurement chain consists of various components that add load (burden)…”
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    Journal Article
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    A proposed method for evaluating the frequency response of 22 kV outdoor current transformers for harmonic measurements in renewable energy plant applications by Murray, Ruan, de Kock, Jan A

    “…With an increase in renewable energy plants connected to the national grid of South Africa the monitoring and assessment of power quality is becoming more…”
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    Conference Proceeding
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    Welcome to SAUPEC/RobMech/PRASA 2021

    “…Presents the introductory welcome message from the conference proceedings. May include the conference officers' congratulations to all involved with the…”
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    Conference Proceeding
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    Determination of diclazuril in animal feed by liquid chromatography by De Kock, J, De Smet, M, Sneyers, R

    Published in Journal of chromatography (31-07-1992)
    “…A method is described for the determination of diclazuril (Janssen Research Compound R64433; trademark Clinacox) in chicken feed at the mg kg(-1) level…”
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    Journal Article
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    Instrument transformers influence on harmonic measurements for grid code compliance by Murray, Ruan, de Kock, Jan

    “…With an increased penetration of renewable energy sources in South Africa, especially photovoltaic (PV) and wind farm generating plants, power quality is…”
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    Conference Proceeding
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    Dynamic load-shedding for enhancement of power system stability for the Lesotho 132 kV transmission network by Raphoolo, Ikaneng Victor, de Kock, Jan A.

    “…The transient and dynamic stability are key elements that a system should satisfy to achieve stable system operation [1]. Fault type and location determine the…”
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    Conference Proceeding
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    Impact on power factor by small scale renewable energy generation by Alberts, Jaco A., de Kock, Jan A.

    “…Domestic installations traditionally were believed to be resistive in nature and did not affect power factor much, if at all. With increasing affordability of…”
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    Conference Proceeding
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    Evaluation of design and planning parameter impact by energy efficient measures through appliance-based modelling by Alberts, Jaco A., de Kock, Jan A.

    “…In a rapidly evolving industry as a result of consumer self-generation and a drive to become more energy efficient, it is necessary to understand whether…”
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    Conference Proceeding
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    A new perspective in the assessment of vitamin B-6 nutritional status during pregnancy in humans by Barnard, H C, de Kock, J J, Vermaak, W J, Potgieter, G M

    Published in The Journal of nutrition (01-07-1987)
    “…Plasma pyridoxal-5'-phosphate (PLP) concentration has been suggested as a valid indicator to assess vitamin B-6 nutritional status. Animal and human studies…”
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    Journal Article
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    Comment réduire le taux de contaminants environnementaux dans les huiles de poisson sans en affecter les caractéristiques nutritionnelles ? by Gibon Véronique, Vila Ayala José, Maes Jeroen, De Kock Jan, De Greyt Wim

    Published in Oléagineux corps gras lipides (01-07-2010)
    “…Crude fish oil is an important ingredient in fish feed for fish farming; it can be used as functional food or neutraceutical (cod liver oil, EPA/DHA…”
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    Journal Article
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    Testing of a predictive pole-slip protection algorithm on a Real Time Digital Simulator by Lamont, Lafras, Rens, Johan, de Kock, Jan

    “…Predictive pole-slip protection is not implemented in commercially available protection relays. All pole-slip protection relays on the market will only trip a…”
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    Conference Proceeding
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    The effect of a reduced power quality on the energy efficiency of stand-alone generator systems by Debruyne, Colin, Desmet, Jan, Rens, Johan, De Kock, Jan

    “…It has already been thoroughly validated that the efficiency of direct online motors is susceptible towards certain power quality parameters such as voltage…”
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    Conference Proceeding
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    Développements récents en matières de raffinage et de modifications : élimination des contaminants dans les huiles alimentaires et réduction du taux d’acides gras trans by De Kock Jan, De Greyt Wim, Gibon Véronique, Kellens Marc

    Published in Oléagineux corps gras lipides (01-09-2005)
    “…As a result of the general concern for food safety, the removal of minor contaminants (PAH, pesticides, dioxins, PCB’s…) from oils and fats has the be examined…”
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    Journal Article
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    The effect of real network phase disturbances on the calculation of IEC 61000-4-30 parameters by Rens, Johan, de Kock, Jan, van Wyk, Willie, van Zyl, Jacobus

    “…Real life network dynamic phenomena are used to demonstrate how the calculation of IEC 61000-4-30 parameters can be affected. The voltage frequency can change…”
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    Conference Proceeding
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