A current sensing circuit is provided for measuring a current in an electrical line connecting an electrical supply to a load. The current sensing circuit includes a magnetic circuit having: a magnetic core, a reference winding wound around the magnetic core, and a conductor passing through center of the magnetic core. The conductor is being connected to the electrical line. The current sensing circuit further includes a detection circuit connected to the reference winding of the magnetic circuit. The detection circuit is configured to detect a change in condition of the magnetic core and generate a detection signal in response to determination of the change. Furthermore, the current sensing circuit includes a controller coupled to the detection circuit for receiving the detection signal. The controller measures the current in the electrical line in response to the detection signal from the detection circuit.
Current sensing circuit and current measuring system for measuring a current in an electrical line
2022-08-23
Patent
Electronic Resource
English
CURRENT SENSING CIRCUIT AND CURRENT MEASURING SYSTEM FOR MEASURING A CURRENT IN AN ELECTRICAL LINE
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