FIELD: electricity.
SUBSTANCE: device includes connections to site, connected protection assemblies of current circuits, connections led to outputs of assemblies, assemblies of galvanic isolation and normalisation of current signals, which are connected to outputs of protection assemblies of current circuits, voltage signal normalisation assemblies receiving signals from network voltage transformer, the first measuring unit for measurement of leakage current signals of inputs and information processing, the second measurement unit for measurement of voltage signals on inputs, transmission channel of synchronisation signals from the second measuring device to the first one; communication channel between the first and the second measuring devices.
EFFECT: improving accuracy at considerable remote location of measuring voltage transformers from monitored apparatus.
2 dwg
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