Automotive vehicle power system
First Claim
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1. An energy storage system for an automotive vehicle comprising:
- a plurality of energy storage units electrically connected in series;
a plurality of bi-directional energy converters each having first and second sides, each of the first sides electrically connected with a respective one of the energy storage units such that each of the bi-directional energy converters accesses only one of the energy storage units; and
another energy storage unit, the second sides of the bi-directional energy converters electrically connected in parallel with the another energy storage unit, each of the bi-directional energy converters capable of transferring energy between the first and second sides.
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Abstract
An energy storage system for an automotive vehicle includes a plurality of energy storage units electrically connected in series and a plurality of bi-directional energy converters each having first and second sides. Each of the first sides is electrically connected with one of the plurality of energy storage units. The system also includes another energy storage unit. The second sides of the plurality of bi-directional energy converters are electrically connected in parallel with the another energy storage unit. Each of the bi-directional energy converters is capable of transferring energy between the first and second sides.
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Citations
20 Claims
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1. An energy storage system for an automotive vehicle comprising:
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a plurality of energy storage units electrically connected in series; a plurality of bi-directional energy converters each having first and second sides, each of the first sides electrically connected with a respective one of the energy storage units such that each of the bi-directional energy converters accesses only one of the energy storage units; and another energy storage unit, the second sides of the bi-directional energy converters electrically connected in parallel with the another energy storage unit, each of the bi-directional energy converters capable of transferring energy between the first and second sides. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An automotive vehicle comprising:
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an electric machine; a plurality of batteries electrically connected in series and electrically connected with the electric machine; a plurality of bi-directional DC/DC power converters each having first and second sides, each of the first sides electrically connected with a respective one of the batteries such that each of the bi-directional DC/DC power converters accesses only one of the batteries; an electrical load; and another battery electrically connected with the electrical load, the second sides of the bi-directional DC/DC power converters electrically connected in parallel with the another battery, each of the bi-directional DC/DC power converters capable of transferring energy between the first and second sides. - View Dependent Claims (14, 15, 16, 17, 18)
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19. An energy storage system for an automotive vehicle comprising:
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a battery pack including a plurality of energy storage cells; a plurality of bi-directional DC/DC power converters each having first and second sides and capable of transferring energy between the first and second sides, each of the first sides electrically connected with a respective one of the energy storage cells such that each of the bi-directional DC/DC power converters accesses only one of the energy storage cells and the second sides electrically connected in parallel; and a controller configured to balance the battery pack by passing energy between at least two of the energy storage cells via at least one of the bi-directional DC/DC power converters. - View Dependent Claims (20)
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Specification