METHODS AND APPARATUS FOR REGULATING A MAGNETIC FLUX IN AN INDUCTIVE POWER SUPPLY
First Claim
1. A method, comprising:
- generating, by a voltage waveform generator, an alternating voltage periodic waveform to a winding coupled to a magnetic core of an inductive power supply to regulate an alternating magnetic flux in the magnetic core, wherein the magnetic core is magnetically coupled to a conductor that conducts an alternating current that causes a portion of the alternating magnetic flux, wherein the alternating voltage periodic waveform is generated by selectively enabling one or more switches coupled to a storage device, and wherein, during a first period of the alternating voltage periodic waveform, the magnetic flux varies, as a function of time, in accordance with a first pattern of variations;
configuring, by a processor, the one or more switches in accordance with a configuration during at least part of a second period of the alternating voltage periodic waveform, wherein the configuration causes the magnetic flux to vary, as a function of time, during the second period, in accordance with a second pattern of variations, and wherein the second pattern of variations is different from the first pattern of variations.
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Accused Products
Abstract
Aspects of the subject disclosure may include, supplying an alternating voltage waveform to a winding coupled to a magnetic core of an inductive power supply to regulate an alternating magnetic flux in the magnetic core. The alternating voltage waveform can be generated by selectively enabling one or more switches coupled to a storage device. The subject disclosure may further include configuring the one or more switches according to a configuration during a portion of a period of the alternating voltage waveform, and measuring a characteristic of an alternating current flowing in a conductor coupled to the magnetic core during the portion of the period of the alternating voltage waveform. Other embodiments are disclosed.
148 Citations
20 Claims
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1. A method, comprising:
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generating, by a voltage waveform generator, an alternating voltage periodic waveform to a winding coupled to a magnetic core of an inductive power supply to regulate an alternating magnetic flux in the magnetic core, wherein the magnetic core is magnetically coupled to a conductor that conducts an alternating current that causes a portion of the alternating magnetic flux, wherein the alternating voltage periodic waveform is generated by selectively enabling one or more switches coupled to a storage device, and wherein, during a first period of the alternating voltage periodic waveform, the magnetic flux varies, as a function of time, in accordance with a first pattern of variations; configuring, by a processor, the one or more switches in accordance with a configuration during at least part of a second period of the alternating voltage periodic waveform, wherein the configuration causes the magnetic flux to vary, as a function of time, during the second period, in accordance with a second pattern of variations, and wherein the second pattern of variations is different from the first pattern of variations. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. An inductive power supply, comprising:
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a magnetic core that facilitates coupling to a conductor that conducts an alternating current; a winding wrapped around a cavity of the magnetic core; a storage device; one or more switches coupled to the winding and the storage device; a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, the operations comprising; determining a characteristic of the alternating current by measuring a voltage across a resistive load of the winding; and selectively configuring, according to the characteristic of the alternating current, the one or more switches to generate an alternating voltage periodic waveform that is supplied to the winding to regulate an alternating magnetic flux in the magnetic core, wherein, during a first period of the alternating voltage periodic waveform, the magnetic flux varies, as a function of time, in accordance with a first pattern of variations. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A system, comprising:
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a waveguide system coupled to a transmission medium, wherein the transmission medium facilitates a transmission of electromagnetic waves that propagate along the transmission medium without requiring an electrical return path; and an inductive power supply that facilitates supplying power to the waveguide system, wherein the inductive power supply comprises; a magnetic core coupled to the transmission medium; a winding wrapped around a cavity of the magnetic core; a storage device that facilitates storing electrical energy; one or more switches coupled to the winding and the storage device; a processor; and a memory that stores executable instructions that, when executed by the processor, facilitate performance of operations, the operations comprising; measuring, via the winding, a characteristic of an alternating current flowing through the transmission medium; and selectively configuring, according to the characteristic of the alternating current, the one or more switches to generate an alternating voltage periodic waveform that is supplied to the winding to regulate an alternating magnetic flux in the magnetic core, wherein, during a first period of the alternating voltage periodic waveform, the magnetic flux varies, as a function of time, in accordance with a first pattern of variations. - View Dependent Claims (19, 20)
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Specification