FIELD: electric engineering.
SUBSTANCE: device can be used for remote measurement of distance till site of damage - steady single-phase to ground, for example, at melting ice on ground by alternative or direct current. Method is based on measurement and storage of value of current, which passes through grounding electrode. The electrode is connected in turn at least two times to different points of circuit at the side of power line where it was short circuited onto ground. Distance to place of short circuit is subsequently calculated from the values and known parameters of electric circuit. Error in measurement of distance is reduced at big transient resistance due to rejection of usage of parameters of higher frequency mode.
EFFECT: reduced error of measurement.
5 cl, 7 dwg
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