Method and device for installing and removing a current transformer on and from a current-carrying power line
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 29, 2004
Grant Date -
Dec 4, 2003
app pub date -
Nov 12, 2002
filing date -
May 28, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A current transformer to be installed around a current-carrying conductor. The transformer has a split core with two parts, which can be opened to allow the transformer to be installed around or removed from the current-carrying conductor. A winding wound on the core is operatively connected to a switch so that the winding can be shorted prior to opening the split core when the transformer is removed from the current-carrying conductor in order to reduce the magnetic force holding the split core parts together. The winding is shorted by the switch prior to closing the split core parts when the transformer is installed around the conductor in order to minimize the damage to the core due to the induced magnetic force thereon. A mechanical tool is used to open or close the split-core parts. The switch can be linked to the tool for shorting and opening the winding.
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