Maintaining insulators in power transmission systems
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United States of America Patent
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Apr 23, 2013
Grant Date -
Jan 20, 2011
app pub date -
Jul 17, 2009
filing date -
Jul 17, 2009
priority date (Note) -
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Abstract
An electrical power transmission system includes electrical insulators arranged to electrically isolate live power lines. Surface reconditioning units are incorporated or integrated in the insulator structures. A sensor arrangement determines surface conditions of the electrical insulators in use to isolate live power lines. In response, the surface reconditioning units automatically recondition the surfaces of the in-service electrical insulators if appropriate for maintaining the electrical insulators in healthy state.
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