Selectively regulating current in distributed propulsion systems
First Claim
1. A distributed propulsion system, comprising:
- a first propulsor and a second propulsor;
a first generator configured to generate a first AC current;
a second generator configured to generate a second AC current; and
a power regulation circuit electrically coupled to the first propulsor via a first output, the second propulsor via a second output, the first generator via a first input, and the second generator via a second input, wherein the power regulation circuit comprises;
a first current path comprising a first power electronics circuit,a second current path comprising a second power electronics circuit,a third current path that bypasses the first and second power electronics circuits,a fourth current path that bypasses the first and second power electronics circuits, anda plurality of switches configured to selectively couple each respective input to a respective selected output to cause a respective current to flow from the respective input to the respective selected output via one of the first current path, the second current path, the third current path, or the fourth current path, the plurality of switches including a first switch and a second switch, andcontrol circuitry configured to;
cause the first AC current to flow through the first current path by at least opening the first switch;
cause the second AC current to flow through the second current path by at least opening the second switch;
cause the first AC current to flow through the third current path by at least closing the first switch; and
cause the second AC current to flow through the fourth current path by at least closing the second switch.
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Accused Products
Abstract
A distributed propulsion system includes a first propulsor and a second propulsor, a first generator configured to generate a first AC current, and a second generator configured to generate a second AC current. The system includes a power regulation circuit. The power regulation circuit includes a first current path that includes a first power electronics circuit, a second current path that includes a second power electronics circuit, a third current path that bypasses the first and second power electronics circuits, and a fourth current path that bypasses the first and second power electronics circuits. The power regulation circuit also includes a plurality of switches configured to selectively couple each respective input to a respective selected output to cause a respective current to flow from the respective input to the respective selected output via one of the first current path, second current path, third current path, or fourth current path.
42 Citations
20 Claims
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1. A distributed propulsion system, comprising:
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a first propulsor and a second propulsor; a first generator configured to generate a first AC current; a second generator configured to generate a second AC current; and a power regulation circuit electrically coupled to the first propulsor via a first output, the second propulsor via a second output, the first generator via a first input, and the second generator via a second input, wherein the power regulation circuit comprises; a first current path comprising a first power electronics circuit, a second current path comprising a second power electronics circuit, a third current path that bypasses the first and second power electronics circuits, a fourth current path that bypasses the first and second power electronics circuits, and a plurality of switches configured to selectively couple each respective input to a respective selected output to cause a respective current to flow from the respective input to the respective selected output via one of the first current path, the second current path, the third current path, or the fourth current path, the plurality of switches including a first switch and a second switch, and control circuitry configured to; cause the first AC current to flow through the first current path by at least opening the first switch; cause the second AC current to flow through the second current path by at least opening the second switch; cause the first AC current to flow through the third current path by at least closing the first switch; and cause the second AC current to flow through the fourth current path by at least closing the second switch. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method comprising:
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receiving, by a power regulation circuit of a distributed propulsion system, a first AC current from a first generator of the distributed propulsion system via a first input of the power regulation circuit, wherein the power regulation circuit is electrically coupled to a first propulsor via a first output, receiving, by the power regulation circuit, a second AC current from a second generator of the distributed propulsion system via a second input of the power regulation circuit, wherein the power regulation circuit is electrically coupled to a second propulsor via a second output, causing, by control circuitry of the distributed propulsion system, the first AC current to flow through a first current path by at least opening a first switch of a plurality of switches of the power regulation circuit, the first current path including a first power electronics circuit, causing, by the control circuitry, the second AC current to flow through a second current path by at least opening a second switch of the plurality of switches, the second current path including a second power electronics circuit, causing, by the control circuitry, the first AC current to flow through a third current path by at least closing the first switch, the third current path bypassing the first power electronics circuit and the second power electronics circuit, and causing, by the control circuitry, the second AC current to flow through a fourth current path by at least closing the second switch, the fourth current path bypassing the first power electronics circuit and the second power electronics circuit. - View Dependent Claims (17)
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18. A system comprising:
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a power regulation circuit configured to selectively regulate a first AC current generated by a first generator and a second AC current generated by a second generator, output the first AC current to a first propulsor, and output the second AC current to a second propulsor, the power regulation circuit comprising; a first current path comprising a first power electronics circuit, a second current path comprising a second power electronics circuit, a third current path that bypasses the first and second power electronics circuits, a fourth current path that bypasses the first and second power electronics circuits, and a plurality of switches configured to selectively routing the first AC current and the second AC current via one of the first current path, the second current path, the third current path, or the fourth current path, the plurality of switches including a first switch and a second switch; and control circuitry configured to; cause the first AC current to flow through the first current path by at least opening the first switch; cause the second AC current to flow through the second current path by at least opening the second switch; cause the first AC current to flow through the third current path by at least closing the first switch; and cause the second AC current to flow through the fourth current path by at least closing the second switch. - View Dependent Claims (19, 20)
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Specification