Browsing Faculty of Engineering by Author "De Kock, Jan A."
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Cascade disruption of generation: a special focus on African grid volnurebilities
Viljoen, Machiel; De Kock, Jan A. (IEEE, 2011)Large scale network disruption often lies at the heart of regional blackouts, and often disrupts entire communities in terms of their normal activities and well being. Disruptions caused by cascading failure of generating ... -
Cascade disruption of generation: the hidden gift of failure
Viljoen, Machiel; De Kock, Jan A. (IEEE, 2012)Large scale network disruption often lies at the heart of regional blackouts, and often disrupts entire communities in terms of their normal activities and well being. Recognizing the threat posed by such disturbances, ... -
Evaluation of design and planning parameter impact by energy efficient measures through appliance-based modelling
Alberts, Jaco A.; De Kock, Jan A. (IEEE, 2017)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 traditional network planning methods are sufficient. Electrical ... -
Impact on power factor by small scale renewable energy generation
Alberts, Jaco A.; De Kock, Jan A. (IEEE, 2017)Domestic installations traditionally were believed to be resistive in nature and did not affect power factor much, if at all. With increasing affordability of air-conditioners, and replacement of electrical geysers with ... -
The practical comparison of conductor operating temperatures against IEEE and CIGRE ampacity calculations
Van Staden, Pieter; De Kock, Jan A. (IEEE, 2012)The maximum operating temperatures of energized conductors denotes the current carrying capacity. Historically, power utilities have used deterministic and probabilistic methods to calculate the thermal rating and operating ... -
A proposed method for evaluating the frequency response of 22 kV outdoor current transformers for harmonic measurements in renewable energy plant applications
Murray, Ruan; De Kock, Jan A. (IEEE, 2019)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 important for utilities and independent power producers (IPPs). For ... -
Status of international interconnections and electricity deregulation in Africa: an overview of the current status in Southern Africa
De Kock, Jan A. (IEEE, 2004)The Southern African power system is in a state of flux. The grid is expanding and more interconnections are being made. However, vastness of the area and the low power consumption density in most African countries makes ...