Measures for improving reduction factor of a feeding line
Abstract
This chapter considers the special measures enabling a certain improvement of the reduction factor of high-voltage (HV) feeding lines by burying a copper conductor in the earth along these lines. Such measure could be the only solution in the case of HV substations situated deep within the urban area, where normally there are no available plots for laying sufficiently large grounding electrodes and where there are many relatively old buildings without foundation ground electrodes. The presented analytical expressions enable a relatively easy quantification of the effects achieved by the application of these measures. The final decision concerning the necessity of applying this ...
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