Partial discharge measurement method, partial discharge measurement device, and method of producing insulated wire
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United States of America Patent
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Feb 13, 2018
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N/A
app pub date -
Feb 26, 2016
filing date -
Mar 23, 2015
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Abstract
A partial discharge measurement method includes: a moving step of moving an insulated wire including an insulating layer on a surface of the insulated wire; a voltage applying step of bringing an electrode which is connected to a power supply into contact with the insulating layer of the insulated wire which is moving, and applying a predetermined test voltage to the insulating layer while moving the insulated wire; a detection step of detecting, as a partial discharge signal, a signal which is more than or equal to a threshold value among signals involved in partial discharge events occurring from the insulating layer due to application of the predetermined test voltage; and a determination step of determining, based on a result in the detection step, frequency of occurrence of partial discharge events at the predetermined test voltage.
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