Current sensor for measuring an electrical current in a circuit having a plurality of electrical conductors
First Claim
1. A current sensor for measuring an electrical current on an electrical circuit having a plurality of electrical conductors, said current sensor comprising:
- a plurality of ring-shaped magnetic structures each for receiving one of said electrical conductors whereby the magnetic structures can be positioned along said electrical conductors, and each having an opening therein receiving a magnetic flux sensor for evaluating a magnetic flux generated by a current flowing in said one of said electrical conductors and for providing a signal representative of said current;
a global ring-shaped magnetic structure surrounding said plurality of electrical conductors; and
a global magnetic flux sensor for evaluating a magnetic flux generated by currents flowing in said plurality of electrical conductors to measure a differential reading of current flowing in said plurality of electrical conductors.
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Accused Products
Abstract
The invention relates to a current sensor for monitoring electrical disturbances on an electrical circuit having an electrical conductor. The current sensor comprises a magnetic flux sensor for sensing a magnetic flux generated by a current flowing in the electrical conductor and for providing a signal representative of the current; and a processor for acquiring the signal from the magnetic flux sensor, for detecting an electrical disturbance on the current and for providing electrical disturbance data. The current sensor may also comprise a ring-shaped magnetic structure for receiving the electrical conductor and an opening within the ring-shaped magnetic structure for receiving the magnetic flux sensor. The magnetic flux sensor being for sensing a magnetic flux generated in the magnetic structure by the current in the electrical conductor.
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Citations
13 Claims
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1. A current sensor for measuring an electrical current on an electrical circuit having a plurality of electrical conductors, said current sensor comprising:
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a plurality of ring-shaped magnetic structures each for receiving one of said electrical conductors whereby the magnetic structures can be positioned along said electrical conductors, and each having an opening therein receiving a magnetic flux sensor for evaluating a magnetic flux generated by a current flowing in said one of said electrical conductors and for providing a signal representative of said current; a global ring-shaped magnetic structure surrounding said plurality of electrical conductors; and a global magnetic flux sensor for evaluating a magnetic flux generated by currents flowing in said plurality of electrical conductors to measure a differential reading of current flowing in said plurality of electrical conductors. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification