Non-contact detection of electrical energy

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 an output signal...

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Bibliographische Detailangaben
Hauptverfasser:	DALY, Raymond, ATWATER, Joel Fraser, WANG, Shuyu, CASEY, Leo Francis, BOYCE, C.O. Lee Jr, EVANS, Peter, XIN, Siyuan
Format:	Patent
Sprache:	eng
Schlagworte:	CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SYSTEMS FOR STORING ELECTRIC ENERGY TESTING
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Beschreibung
Zusammenfassung:	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 an output signal from a sensor, the output signal representative of an electromagnetic emission detected by the sensor. The apparatus identifies, based on comparing the phase of the output signal to the reference phase signal, a particular AC phase of the multi-phase electrical power distribution system associated with a source of the emission. The apparatus provides an indication of the particular AC phase to a user.