System and method for restraining differential bias
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United States of America
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Nov 19, 2024
Grant Date -
Mar 28, 2024
app pub date -
Oct 14, 2022
filing date -
Oct 14, 2022
priority date (Note) -
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Abstract
Examples of the disclosure include a system for modifying a trip level of a circuit, the system comprising a protection device configured to activate responsive to a differential current exceeding the trip level, a first current transformer coupled to an input of the circuit, a second current transformer coupled to the output of the circuit, at least one measurement circuit coupled to the first current transformer and to the second current transformer, the at least one measurement circuit being configured to obtain a first current measurement from the first current transformer, obtain a second current measurement from the second current transformer, determine a bias current based on the first current measurement and the second current measurement, and modify the trip level of the protection device based on the bias current.
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