Browsing by Author "Carter-Brown, Clinton Geoffrey"

Now showing 1 - 2 of 2
  • Thumbnail Image
    Item
    Open Access
    Effect of conductor size on the total cost of electricity distribution feeders in South African electrification
    (2006) Carter-Brown, Clinton Geoffrey; Gaunt, C Trevor
    There is an optimum conductor size that minimises the lifetime cost of domestic electrification networks. The lifetime cost consists of the initial capital cost and ongoing running cost. Technical load losses are an important running cost and consideration for conductor size optimisation. Traditional conductor size optimisation methods base technical load loss costs on upstream generation and network costs. These loss costing methods assume that consumers behave as constant power loads. The impact of conductor voltage drops on changes in consumer energy consumption and demand and hence changes in utility bulk purchase cost and sales revenue are ignored. Traditional load loss calculation methods do not adequately describe the stochastic nature of individual consumer loads. In low-voltage domestic networks traditional methods may account for less than 25% of the actual lifetime running cost due to load losses and conductor voltage drop. It is shown that the results of traditional conductor size optimisation methods are severely compromised.
  • Thumbnail Image
    Item
    Open Access
    Voltage drop apportionment in Eskom's distribution networks
    (2002) Carter-Brown, Clinton Geoffrey; Gaunt, C Trevor
    Includes bibliographical references. Keywords: voltage drop Keywords: voltage apportionment Keywords: voltage control