Device and method for measuring a current flowing in an...

Details Device and method for measuring a current flowing in an... Device and method for measuring a current flowing in an...

2011-04-12

2011-04-12

Loke, Steven (Department: 2829)

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Magnetic saturation

C324S11700H, C324S127000

Reexamination Certificate

active

07923986

ABSTRACT:
A device for measuring a current flowing in an electrical conductor. The device comprises a magnetic circuit coupled to an electrical conductor. The magnetic circuit has an air gap and a magnetic field sensitive component disposed in the air gap to measure a magnetic field generated by the electrical conductor. A control core has a control winding configured to control an effective length of the air gap when the control winding is energized. A magnetic shield at least partially encloses the magnetic circuit, the magnetic field sensitive component and the control core.

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