Non-contact detection of electrical energy
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United States of America Patent
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May 25, 2021
Grant Date -
Dec 3, 2020
app pub date -
Jun 3, 2019
filing date -
Jun 3, 2019
priority date (Note) -
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Abstract
Methods, systems, and apparatus, including computer programs stored on a computer-readable storage medium, for obtaining a reference phase signal that is synchronized with an alternating current (AC) phase of a multi-phase electrical power distribution system. The apparatus obtains output signals from sensors, each output signal representative of an electromagnetic emission detected by a respective sensor. The apparatus identifies, based on comparing respective phases of the output signals to the reference phase signal, a particular AC phase of the multi-phase electrical power distribution system associated with a source of the emissions. The apparatus provides an indication of the particular AC phase to a user.
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