Measuring the impedance on double-circuit lines with the parallel circuit in operation

March 1, 2019

Measuring the impedance of double-circuit lines has, in the past, always necessitated switching off both circuits. This state is seldom possible on operational grounds, for which reason at the last user meeting a procedure was proposed which theoretically allows a measurement to be made while only switching off one system. The meas-urement procedure has since been verified by a field measurement. This article deals with the results of this measurement.

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