Enhanced cost effective method for high current measurements
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United States of America Patent
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Sep 6, 2005
Grant Date -
Jun 23, 2005
app pub date -
Dec 17, 2003
filing date -
Dec 17, 2003
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An electrical connection between a power source and a threaded aperture in a power device is made by means of a terminal lug and a bolt. In order to measure the current, a second electrical path is made in parallel with the bolted connection, and current in the second path is sensed. The bolt may carry the main current, or an insulating spacer may be used which prevents significant current flow in the bolt. In one embodiment, the parallel current path extends through a conductor arrangement including additional lugs through which the bolt passes, and in another arrangement the parallel path extends through traces of a printed circuit board.
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