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Published in:
2013 | OriginalPaper | Chapter
Devices and Systems for Insulation Deterioration Alarming
Author : Piotr Olszowiec
Published in: Insulation Measurement and Supervision in Live AC and DC Unearthed Systems
Publisher: Springer Berlin Heidelberg
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In the chapter few traditional methods of insulation monitoring in DC networks are presented. The simplest system of insulation condition visual supervision consisted of two bulbs. System of insulation monitoring comprising two undervoltage relays
RV
is analyzed. Another system of signaling of insulation level deterioration based on voltage criteria is shown. Commonly applied monitoring systems based on a bridge circuit are described. An example of application of the bridge measuring method is presented.