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IEC TS 61956:1999

Methods of test for the evaluation of water treeing in insulating materials

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Kehtetu alates 01.01.2024
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Staatus
Kuupäev
Tüüp
Nimetus
08.10.1999
Põhitekst
Prescribes methods of test for the evaluation of water treeing in polyethylene (PE) and crosslinked polyethylene (XLPE) compounds, as a means to assess their relative performance under alternating (a.c.) electric stress, in the presence of water. Two methods are described, method I covering the evaluation of insulating materials alone, and method II covering the evaluation of insulating sandwiches consisting of an insulating material in intimate contact with semiconducting screens.
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