Device for measuring electric currents
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United States of America Patent
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Nov 3, 2020
Grant Date -
Mar 14, 2019
app pub date -
Apr 7, 2017
filing date -
Apr 11, 2016
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Abstract
A device for measuring electric currents includes Rogowski-type current sensors, each configured to measure an AC electric current in an electrical conductor, each sensor including coils that are electrically connected in series to form a measurement circuit and being joined to one another to delimit a central zone of this sensor to receive the corresponding electrical conductor. One of the coils is common to the first and second sensors, this common coil being electrically connected to the first and second measurement circuits.
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