Insulation monitoring system for secured electric power system
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United States of America Patent
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Apr 24, 2018
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app pub date -
Mar 15, 2013
filing date -
Apr 6, 2012
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Abstract
The detection of an insulation fault on a network furnished with tappings by a first monitor can be followed by the location and identification of the fault by way of a locator to be placed on the tappings. To satisfy the level-two security, or SIL-2, in which the risk of occurrence of a hazard is decreased by a factor of greater than 100, second means for detecting the insulation fault are installed, to obtain a redundant item of information as regards the insulation resistance of the network, independently of the monitor but associated with a locator.
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