MULTIPHASE POWER-HARVESTING SENSOR DEVICES AND SYSTEMS

A current transformer (CT) isolation clamp is mounted to a phase conductor and includes a step-down CT transformer and a passive isolation transformer. A three-phase power-harvesting sensor system includes a plurality of CT isolation clamps mounted to phase conductors in a three-phase power system....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Moore, Johnny J, Minteer, Timothy M, Rowland, Benjamin T, Kenny, David, Rice, Raymond W, Blood, Lyssa W, Taggart, Brett
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRICITY GENERATION INDUCTANCES MAGNETS MEASURING MEASURING ELECTRIC VARIABLES MEASURING MAGNETIC VARIABLES PHYSICS SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES SYSTEMS FOR STORING ELECTRIC ENERGY TESTING TRANSFORMERS
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Beschreibung
Zusammenfassung:	A current transformer (CT) isolation clamp is mounted to a phase conductor and includes a step-down CT transformer and a passive isolation transformer. A three-phase power-harvesting sensor system includes a plurality of CT isolation clamps mounted to phase conductors in a three-phase power system. An electronics module is connected to the CT isolation clamps. The electronics module may include a sensing circuit to determine power characteristics of the three-phase power system based on the outputs of the CT isolation clamps. The electronics module may include a communication subsystem to transmit the determined power characteristics to local or remote devices. Additionally, the electronics module may include a power harvesting circuit to harvest power to operate the sensing circuit and the communication subsystem.