Apparatus and method for rapid charging using shared power electronics
First Claim
1. An apparatus comprising:
- a power electronic energy conversion system comprising;
a first energy storage device configured to store DC energy;
a first voltage converter configured to;
convert a stored voltage from the first energy storage device into a first voltage configured to drive an electromechanical device; and
convert a second voltage from a remote power supply into a first charging voltage configured to charge the first energy storage device; and
a first controller configured to;
control the first voltage converter to convert the second voltage into the first charging voltage and to provide the first charging voltage to the first energy storage device during a charging mode of operation;
communicate with a second controller located remotely from the power electronic energy conversion system to cause a second charging voltage to be provided to the first energy storage device during the charging mode of operation to rapidly charge the first energy storage device; and
control the first voltage converter to convert the second voltage into a shared charging voltage during a sharing mode of operation and to provide the shared charging voltage to a second energy storage device located remotely from the power electronic energy conversion system and coupled to the power electronic energy conversion system via a shared voltage bus.
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Accused Products
Abstract
An apparatus comprises a power electronic energy conversion system comprising a first energy storage device configured to store DC energy and a first voltage converter configured to convert a second voltage from a remote power supply into a first charging voltage configured to charge the first energy storage device. The apparatus also includes a first controller configured to control the first voltage converter to convert the second voltage into the first charging voltage and to provide the first charging voltage to the first energy storage device during a charging mode of operation and communicate with a second controller located remotely from the power electronic energy conversion system to cause a second charging voltage to be provided to the first energy storage device during the charging mode of operation to rapidly charge the first energy storage device.
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Citations
20 Claims
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1. An apparatus comprising:
a power electronic energy conversion system comprising; a first energy storage device configured to store DC energy; a first voltage converter configured to; convert a stored voltage from the first energy storage device into a first voltage configured to drive an electromechanical device; and convert a second voltage from a remote power supply into a first charging voltage configured to charge the first energy storage device; and a first controller configured to; control the first voltage converter to convert the second voltage into the first charging voltage and to provide the first charging voltage to the first energy storage device during a charging mode of operation; communicate with a second controller located remotely from the power electronic energy conversion system to cause a second charging voltage to be provided to the first energy storage device during the charging mode of operation to rapidly charge the first energy storage device; and control the first voltage converter to convert the second voltage into a shared charging voltage during a sharing mode of operation and to provide the shared charging voltage to a second energy storage device located remotely from the power electronic energy conversion system and coupled to the power electronic energy conversion system via a shared voltage bus. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A method comprising:
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coupling a first energy storage device to a first voltage converter, wherein the first energy storage device is configured to store electrical energy and wherein the first voltage converter is configured to convert a stored voltage from the first energy storage device into a first voltage configured to drive a motor and to convert a second voltage from a first remote power supply into a first charging energy configured to charge the first energy storage device; coupling a first controller to the first voltage converter and configuring the first controller to; cause the first voltage converter to convert the second voltage into the first charging energy and to provide the first charging energy to the first energy storage device during a rapid charging mode of operation; and cause a second charging energy from a second remote power supply to be provided to the first energy storage device simultaneously with the first charging energy during the rapid charging mode of operation to rapidly charge the first energy storage device. - View Dependent Claims (12, 13, 14)
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15. A system comprising:
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a first power bus; a second power bus; a first vehicle comprising; a first energy storage device configured to store DC energy; a first motor; a first voltage converter configured to convert a stored voltage from the first energy storage device into a motoring voltage configured to drive the first motor and to convert a first voltage from the first power bus into a first charging voltage configured to charge the first energy storage device; and a first controller configured to control the first voltage converter to convert the first voltage into the first charging voltage and to provide the first charging voltage to the first energy storage device; and a first energy conversion system located remotely from the first vehicle and comprising; a second voltage converter configured to convert the first voltage from the first power bus into a second charging voltage configured to charge the first energy storage device of the first vehicle; and a second controller configured to; control the second voltage converter to convert the first voltage into the second charging voltage and to provide the second charging voltage to the second power bus; and communicate with the first controller to cause the second charging voltage to be joined with the first charging voltage to rapidly charge the first energy storage device. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification