SYSTEM AND METHOD FOR DISCHARGING AN EXCITATION COIL
First Claim
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1. A circuit for polarizing magnetic material using a magnetic field of an excitation coil, the circuit comprising:
- a port configured to provide a connection with a DC power supply,at least one capacitor, anddriver circuitry configured to drive the excitation coil and the at least one capacitor, wherein the driver circuitry is configured to discharge the excitation coil to the DC power supply via the at least one capacitor.
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Abstract
A circuit for polarizing magnetic material using a magnetic field of an excitation coil includes a port configured to provide a connection with a DC power supply. The circuit also includes at least one capacitor and driver circuitry configured to drive the excitation coil and the at least one capacitor. The driver circuitry is configured to discharge the excitation coil to the DC power supply via the at least one capacitor.
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20 Claims
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1. A circuit for polarizing magnetic material using a magnetic field of an excitation coil, the circuit comprising:
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a port configured to provide a connection with a DC power supply, at least one capacitor, and driver circuitry configured to drive the excitation coil and the at least one capacitor, wherein the driver circuitry is configured to discharge the excitation coil to the DC power supply via the at least one capacitor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A method of polarizing magnetic material, comprising:
discharging an excitation coil via at least one capacitor.
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20. A method, comprising:
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implementing an ascending slope of a current flow in an excitation coil to polarize a magnetic material, and implementing a descending slope of the current flow in the excitation coil to de-polarize the magnetic material, wherein the current flow in the descending slope is through the excitation coil and at least one capacitor.
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Specification