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The application of numerical busbar protection technology is lagged behind that of other protection functions, although static technologies is still usual for busbar protection but the latest numerical technology provides security, dependability and much grater range of facilities.
National Grid has been installing Numerical Busbar Protection (BBP) systems at its 400kV, 275kV and 132kV double busbar substations for approximately ten years. This Paper investigates the design, operational and lifetime management experiences/challenges associated with moving to these solutions. The paper will consider these challenges under the following five categories:- ▪ Policy and application...
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