Methods and circuits configured to provide for multi-phase wireless power transfer
First Claim
Patent Images
1. A method of providing wireless power transfer comprising:
- receiving multi-phase power at a transmitter portion of a multi-phase wireless power transfer system that is associated with an electrical equipment rack that is configured to house a plurality of electrical components; and
wirelessly transferring separate phases of the multi-phase power from the transmitter portion to a receiver portion of the multi-phase wireless power transfer system at a power level that is configured to operate the plurality of electrical components, wherein receiving multi-phase power comprises receiving the multi-phase power via a branch circuit conductor.
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Abstract
A method of providing wireless power transfer can include receiving multi-phase power at a transmitter portion of a multi-phase wireless power transfer system that is associated with an electrical equipment rack that is configured to house a plurality of electrical components and wirelessly transferring the multi-phase power from the transmitter portion to a receiver portion of the multi-phase wireless power transfer system at a power level that is configured to operate the plurality of electrical components.
31 Citations
26 Claims
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1. A method of providing wireless power transfer comprising:
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receiving multi-phase power at a transmitter portion of a multi-phase wireless power transfer system that is associated with an electrical equipment rack that is configured to house a plurality of electrical components; and wirelessly transferring separate phases of the multi-phase power from the transmitter portion to a receiver portion of the multi-phase wireless power transfer system at a power level that is configured to operate the plurality of electrical components, wherein receiving multi-phase power comprises receiving the multi-phase power via a branch circuit conductor. - View Dependent Claims (2, 3, 4, 5, 8)
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6. A method of providing wireless power transfer comprising:
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receiving multi-phase power at a transmitter portion of a multi-phase wireless power transfer system that is associated with an electrical equipment rack that is configured to house a plurality of electrical components; and wirelessly transferring the multi-phase power from the transmitter portion to a receiver portion of the multi-phase wireless power transfer system at a power level that is configured to operate the plurality of electrical components, wherein the multi-phase power comprises low frequency multi-phase power, wherein receiving the multi-phase power at the transmitter portion further comprises; operating on the multi-phase power using a multi-leg H-Bridge circuit at an inverter frequency, to provide both power factor control and high frequency multi-phase power at the transmitter portion, wherein a number of phases included in the multi-phase power is 3 or a multiple of 3, and a number of legs in the multi-leg H-Bridge circuit matches the number of phases. - View Dependent Claims (7)
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9. A method of providing wireless power transfer comprising:
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receiving multi-phase power at a transmitter portion of a multi-phase wireless power transfer system that is associated with an electrical equipment rack that is configured to house a plurality of electrical components; and wirelessly transferring the multi-phase power from the transmitter portion to a receiver portion of the multi-phase wireless power transfer system at a power level that is configured to operate the plurality of electrical components, wherein wirelessly transferring the multi-phase power comprises wirelessly transmitting each phase of the multi-phase power via a separate transmitter coil to provide a respective transmitted phase of the multi-phase power, the method further comprises; receiving each transmitted phase of the multi-phase power at the receiver portion via a separate receiver coil to provide respective phases of the multi-phase power; and rectifying the respective phases of the multi-phase power to provide dc power at the electrical equipment rack.
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10. A multi-phase wireless power transfer system comprising:
a transmitter portion of the multi-phase wireless power transfer system associated with an electrical equipment rack that is configured to house a plurality of electrical components, the transmitter portion configured to wirelessly transfer multi-phase power at a power level that is configured to operate the plurality of electrical components, wherein the multi-phase power includes at least two separate phases having a fixed phase difference relative to one another, wherein the transmitter portion is configured to couple to a branch circuit conductor to receive the multi-phase power. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A multi-phase wireless power receiver comprising:
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a receiver portion of a multi-phase wireless power transfer system, the receiver portion associated with an electrical equipment rack that is configured to house a plurality of electrical components, the receiver portion configured to wirelessly receive multi-phase power at a power level that is configured to operate the plurality of electrical components; and a plurality of receiver coils, each configured to wirelessly receive a separate phase of the multi-phase power, wherein the receiver portion comprises; at least one rectifier circuit, coupled to the plurality of receiver coils, and configured to generate dc power to the rack. - View Dependent Claims (24, 25, 26)
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Specification