Abstract
More and more transmission power cable circuits with lengths up to several tens of kilometers will be installed and put into operation. This contribution discusses basic aspects of selecting an on-site test voltage and the partial discharge measurement under on-site testing conditions of power cable lines with long length. On the one side, the generation of suitable test voltages for high capacitive loads, especially long cables, is evaluated and experiences of on-site measurements are described. On the other hand, the challenges for sensitive partial discharge measurement on long length power cables are discussed. Under this scope, partial discharge measurement by dual-sided measurement technique is described and examples are shown.
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